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03 Staff Report - 15900 Los Gatos Boulevard~owN 0 MEETING DATE: 2/4/08 ITEM NO: .N,« . ` tos GA~os COUNCIL/AGENCY AGENDA REPORT DATE: January 28, 2008 TO: MAYOR AND TOWN COUNCIL CHAIR AND MEMBERS OF THE REDEVELOPMENT AGENCY 119 FROM: GREG LARSON, TOWN MANAGER/EXECUTIVE DIRECTOR SUBJECT: CONSIDER A REQUEST TO APPROVE A CONDITIONAL USE PERMIT TO ALLOW POLICE OPERATIONS AND ARCHITECTURE AND SITE APPROVAL TO CONSTRUCT AN ADDITION TO THE EXISTING BUILDING ZONED CH. APN 523-01-010 CONDITIONAL USE PERMIT U-07-158 AND ARCHITECTURE AND SITE APPLICATION S-07-214 PROPERTY LOCATION 15900 LOS GATOS BOULEVARD. PROPERTY OWNER/APPLICANT: TOWN OF LOS GATOS RECOMMENDATION: 1. Accept report in the form of meeting minutes from the Planning Commission for the meeting of January 9, 2008 (Attachment 5) (motion required); 2. Hold the public hearing and receive public testimony; 3. Close the public hearing; 4. Make the required findings and approve the Conditional Use Permit subject to conditions (Attachment 1 and 2) (motion required); 5. Approve the Architecture and Site application subject to conditions (Attachment 3), (motion required). BACKGROUND: The Town Council entered into a Letter of Intent (LOI) with Verizon for the purchase of 15900 Los Gatos Boulevard on March 20, 2007 with the intent to use the building for police services. Staff conducted a due diligence investigation to determine whether to proceed with the purchase. On June 18, 2007, the Town Council authorized the purchase of the site to use for police operations and approved the Mitigated Negative Declaration. The Council directed staff to proceed with the plan that includes remodeling the interior of the existing building along with two additions: a 1,950 square foot addition along the southeast side of the building to PREPARED BY: Bud N. Lortz Director of Community Development N:ADEV\CNCLRPTS\2008\15900 LGB.TC.rpt2.doc Reviewed by: MAssistant Town Manager/Deputy Director _ Town Attorney/General Counsel Clerk Administrator/Secretary Finance Community Development PAGE 2 MAYOR AND TOWN COUNCIL SUBJECT: POLICE SERVICES BUILDING February 4, 2008 accommodate a secured entry garage (known as a sallyport) and entry corridor with storage rooms and a 1,290 square foot addition along the northern side of the building for a combination briefing room/training room/Emergency Operations Center (EOC). The existing building with the additions would total 13,279 square feet. Originally, it was indicated that patrol officers, parking control officers, and evidence storage would be located at the new Operations Building. Police administration, detective and records and dispatch would remain in Headquarters at Town Hall as the site is not large enough to accommodate the entire police function. Upon further consideration, the department has concluded that the detective bureau should also be located at the Operations Building in order to maintain direct interaction with the patrol officers. The parking control officers will now remain at Town Hall. This change will result in three additional personnel to be located at the new station from the total previously considered. Normally, requests for architecture and site applications and conditional use permits (CUP) are approved by the Planning Commission. However, because this a Town project, the Council directed that the Architecture and Site approval and the CUP be forwarded to the Council for final approval. DISCUSSION: The project is zoned Restricted Highway Commercial. Public Facilities are permitted in this zone upon approval of a CUP. As discussed above, the building will house police operations including patrol operations, the detective bureau and evidence storage. Other personnel that would be located at the site include the Operations Captain, a patrol and administrative sergeant, and an evidence technician. The facility contains two adult holding cells, a juvenile holding cell and a pre-booking room. Most detainees are taken directly to the county jail in San Jose. The detainees brought to this facility are only kept at the station for a short time before being transferred to the county jail. No long term incarceration will occur at this location. When a prisoner is brought to the station, the officer parks the patrol car in the enclosed sally port at the southeast portion of the building. The sallyport door is closed and the detainee is taken directly into the holding cell from the sallyport. Conditional Use Permit Noise is the primary impact associated with the project. A noise study conducted during the feasibility analysis determined that noise levels associated with most police activities would not exceed ordinance limits except for noise from vehicles in the public parking area (along the northern property line) at night (10 p.m. to 6 a.m.) and police activities in the secured parking area at night. To mitigate these impacts, public parking within 50 feet of the northern property needs to be restricted between 10 p.m. to 6 a.m. Signage will be placed in this area indicating no parking is permitted during this time. Additionally, posts will be placed in the landscape area PAGE 3 MAYOR AND TOWN COUNCIL SUBJECT: POLICE SERVICES BUILDING February 4, 2008 adjacent to the public parking that allow the area to be blocked off during evening hours if necessary to prevent noise impacts. Noise from other police activities will be addressed through normal operational measures such as loading and unloading potentially unruly detainees within the proposed sallyport, limiting the use of sirens near residences, unless absolutely necessary for public safety, and loading and unloading the canine unit dogs at the staff entry area adjacent to the sallyport. These measures are included in the recommended conditions of approval. During the Community Meetings held in April and May of 2007, questions were raised related to use of the Camellia Terrace driveway and the use of sirens in the neighborhood. The Police Chief stated that officers would be directed to use Los Gatos Boulevard to enter and leave the site, except for situations that require them to use Camellia Terrace. He also described the operational procedures used to mitigate noise impacts from sirens on the surrounding neighborhood at Town Hall and reiterated his intent to use these same procedures at the proposed location. Architecture and Site Approval Two additions are proposed to the existing building. Along the northern portion of the building a 1,290 square foot addition is proposed. This area would be used as a briefing/training room. To add visual interest, the addition has been designed with a slopping roof along Los Gatos Boulevard that extends along the northern portion of the building. The exterior material will be a cement board cladding system, which is an architectural grade material that can be cut into varying panel sizes with reveals that provide shadowing. A steel canopy is proposed over the entry area, and a small concrete seating wall, approximately three feet tall, is proposed in front of the entry area. A 1,950 square foot addition is proposed along the southeast side of the building. This addition is an entry corridor for officers from the secure parking area and a sallyport, which is an enclosed area to securely transfer detainees from patrol vehicles to the holding cells. This portion of the building will be cement plaster painted to match the building. The existing building will be enhanced with new paint and the grates covering the windows of the existing building will be removed and a new window system will be provided. A steel sunshade, made of the same material as the entry canopy, will be provided over the windows. The area above and below the windows will be painted a light tan and the columns between the windows will be painted a light brown. Skylights that slope to match the addition are proposed on the roof. However, if cost estimates for the building exceed the approved budget, the skylights may have to be removed from the building plan. New landscaping is proposed along Los Gatos Boulevard, Camellia Terrace and in the parking area. Approximately, 33 new trees are proposed along with accent shrubs. To replace trees being removed, approximately 40 new trees would be required, however, 33 is the most that can PAGE 4 MAYOR AND TOWN COUNCIL SUBJECT: POLICE SERVICES BUILDING February 4, 2008 be accommodated on the site. The remainder will be planted in parks or along streets elsewhere in Los Gatos. Because the building will serve as the EOC during emergencies, radio antennas will be needed on the roof. The types of antennas needed are relatively small in diameter, three inches or less and approximately six feet in height. They will be mounted on a metal bracket raising the total height to between 10 and 12 feet. The antennas need to be located near the radio equipment, which will be located in the EOC. The sloping roof along this portion of the building will help screen the antennas, and staff will locate them in the least obtrusive location as possible. However, as an emergency facility, the foremost concern is making sure satisfactory radio reception is achieved. Reception needs will determine the actual location on the building. Planning Commission The Planning Commission reviewed the project at their meeting of January 9, 2008. The Commission voted 6-0 to recommend approval of the CUP and Architecture and Site application. A verbatim transcript of the meeting is attached. During the meeting, the Commission requested information regarding sustainable design features incorporated into the project. Staff noted that for budgetary reasons, the project was not being designed to the Leadership in Energy and Environmental Design (LEED) Green Building Rating System. However, the project includes a number of LEED best practices, including: use of energy efficient equipment, modifications to the building to provide natural light, xeriscape landscape principles and a bioswale in the parking area to accept and convey storm water runoff. At the conclusion of the hearing, the Commission recommended that the Town Council direct staff to either document the potential LEED project score or submit the project for LEED certification. Typically, the decision to achieve LEED certification is done earlier in the design process. The additional cost of seeking LEED certification is approximately $140,000 in consultant fees and $240,000 in potential equipment upgrades. The certification process would add approximately three months to the completion of the building. Additionally, certification is not finalized until the building is operational and the anticipated energy savings are quantified. If the energy savings are not met, equipment and/or building modifications could be required to achieve certification. Staff recommends that the Council authorize staff to document the potential LEED score as requested by the Commission. This is consistent with the direction provided by the Commission on a recent project that was designed to comply with LEED requirements. Environmental Review A Mitigated Negative Declaration for the project was adopted by the Council at the time the purchase was approved. Other than increasing the number of people assigned to the site by three, there have been no changes to the project that were not considered in the Mitigated PAGE 5 MAYOR AND TOWN COUNCIL SUBJECT: POLICE SERVICES BUILDING February 4, 2008 Negative Declaration. The traffic consultant has determined that the addition of three peak hour trips does not change the conclusions in the traffic study. The mitigation measures identified in the Mitigated Negative Declaration have been incorporated into the project and the recommended conditions of approval. As such, no additional environmental review is required. FISCAL IMPACT: At the June 18, 2008 meeting, the Council appropriated a total of $7,685,468 for the project. The funds included estimated costs for site acquisition, design and construction, furniture, fixtures and equipment, contingency and minor fayade improvements. The funds have been transferred to the Town's Capital Project Fund. NEXT STEPS Staff is working with the Staubach Group, the project managers for the project, to prequalify potential consultants. This will expedite the bid process for a contractor that can occur upon completion of the construction drawings. It is anticipated that the construction documents will be completed and permits issued by the beginning by May. At that point, the project can be bid and a contractor hired. Staff expects construction to commence in June and the project completed in spring 2009. CONCLUSION: The site can accommodate the patrol, detectives and evidence functions of the Department. The analysis prepared for the conditional use permit project indicates that, with implementation of the recommended conditions of approval, there will be no impact to the surrounding neighborhood. The design modifications to the existing building and the new additions enhance the appearance of the building and help identify its use as a public building. The design complies with the Commercial Design Guidelines and the Los Gatos Boulevard Plan. The Planning Commission and Staff recommend approval of the CUP and Architecture and Site applications subject to the conditions noted. Attachments: 1. Required findings 2. Recommended conditions of approval for U-07-158 3. Recommended conditions of approval for 5-07-214 4. Planning Commission Report prepared for the January 23 meeting (without attachments) 5. Transcript from the January 23 Planning Commission meeting 6. Consulting Architect comments 7. Traffic Consultant comments 8. Mitigated Negative Declaration 9. Development Plans, received February 7, 2007 N:ADEV\CNCLRPTS\2008\15900 LGB.TC.rpt2.doc REQUIRED FINDINGS AND CONSIDERATIONS FOR 15900 Los Gatos Boulevard Architecture and Site Application S-07-214 Conditional Use Permit U-07-158 Requesting approval for a conditional use permit to allow police operations and architecture and site approval to construct an addition to the existing building on property zoned Ch. APN: 523-01-010. PROPERTY OWNER/APPLICANT: Tow of Los Gatos FINDINGS 1. As required by Section 29.20.190 of the Town Code for granting a Conditional Use Permit. (a) The deciding body, on the basis of the evidence submitted at the hearing, may grant a conditional use permit when specifically authorized by the provisions of this chapter if it finds that: (1) The proposed uses of the property are essential or desirable to the public convenience or welfare; (2) The proposed uses will not impair the integrity and character of the zone; (3) The proposed uses would not be detrimental to public health, safety or general welfare; and (4) The proposed uses of the property are in harmony with the various elements or objectives of the general plan and the purposes of this chapter. (5) A hazardous waste facility proposal is subject to the California Health and Safety Code, Article 8.7, Section 25199--25199.14 and shall be consistent with the Santa Clara County Hazardous Waste Management Plan. 2. A Mitigated Negative Declaration has been previously approved for this project. 3. That the exterior architecture is consistent with the Town's Commercial Design Guidelines. 4. That the use for police services is consistent with the goals and policies contained in the Los Gatos Boulevard Plan. CONSIDERATIONS IN REVIEW OF APPLICATIONS 5. As required by Section 29.20.150 of the Town Code for Architecture and Site applications: The deciding body shall consider all relevant matter including, but not limited to, the following: (1) Considerations relating to traffic safety and traffic congestion. The effect of the site development plan on traffic conditions on abutting streets; the layout of the site with ATTACRIENT I Findings and Considerations 15900 Los Gatos Boulevard Page -2- respect to locations and dimensions of vehicular and pedestrian entrances, exits, drives, and walkways; the adequacy of off-street parking facilities to prevent traffic congestion; the location, arrangement, and dimension of truck loading and unloading facilities; the circulation pattern within the boundaries of the development, and the surfacing, lighting and handicapped accessibility of off-street parking facilities. A. Any project or development that will add traffic to roadways and critical intersections shall be analyzed, and a determination made on the following matters: 1. The ability of critical roadways and major intersections to accommodate existing traffic; 2. Increased traffic estimated for approved developments not yet occupied; and 3. Regional traffic growth and traffic anticipated for the proposed project one (1) year after occupancy. B. The deciding body shall review the application for traffic roadway/intersection capacity and make one (1) of the following determinations: 1. The project will not impact any roadways and/or intersections causing the roadways and/or intersections to exceed their available capacities. 2. The project will impact a roadway(s) and/or intersection(s) causing the roadway(s) and/or intersection(s) to exceed their available capacities. Any project receiving Town determination subsection (I)b. I. may proceed. Any project receiving Town determination subsection (1)b.2. must be modified or denied if the deciding body determines that the impact is unacceptable. In determining the acceptability of a traffic impact, the deciding body shall consider if the project's benefits to the community override the traffic impacts as determined by specific sections from the general plan and any applicable specific plan. (2) Considerations relating to outdoor advertising. The number, location, color, size, height, lighting and landscaping of outdoor advertising signs and structures in relation to the creation of traffic hazards and the appearance and harmony with adjacent development. Specialized lighting and sign systems may be used to distinguish special areas or neighborhoods such as the downtown area and Los Gatos Boulevard. (3) Considerations relating to landscaping. The location, height, and materials of walls, Findings and Considerations 15900 Los Gatos Boulevard Page -3- fences, hedges and screen plantings to insure harmony with adjacent development or to conceal storage areas, utility installations, parking lots or unsightly development; the planting of ground cover or other surfacing to prevent dust and erosion; and the unnecessary destruction of existing healthy trees. Emphasize the use of planter boxes with seasonal flowers to add color and atmosphere to the central business district. Trees and plants shall be approved by the Director of Parks, Forestry and Maintenance Services for the purpose of meeting special criteria, including climatic conditions, maintenance, year-round versus seasonal color change (blossom, summer foliage, autumn color), special branching effects and other considerations. (4) Considerations relating to site layout. The orientation and location of buildings and open spaces in relation to the physical characteristics of the site and the character of the neighborhood; and the appearance and harmony of the buildings with adjacent development. Buildings should strengthen the form and image of the neighborhood (e.g. downtown, Los Gatos Boulevard, etc.). Buildings should maximize preservation of solar access. In the downtown, mid-block pedestrian arcades linking Santa Cruz Avenue with existing and new parking facilities shall be encouraged, and shall include such crime prevention elements as good sight lines and lighting systems. (5) Considerations relating to drainage. The effect of the site development plan on the adequacy of storm and surface water drainage. (6) Considerations relating to the exterior architectural design of' buildings and structures. The effect of the height, width, shape and exterior construction and design of buildings and structures as such factors relate to the existing and future character of the neighborhood and purposes of the zone in which they are situated, and the purposes of architecture and site approval. Consistency and compatibility shall be encouraged in scale, massing, materials, color, texture, reflectivity, openings and other details. (7) Considerations relating to lighting and street furniture. Streets, walkways, and building lighting should be designed so as to strengthen and reinforce the image of the Town. Street furniture and equipment, such as lamp standards, traffic signals, fire hydrants, street signs, telephones, mail boxes, refuse receptacles, bus shelters, drinking fountains, planters, kiosks, flag poles and other elements of the street environment should be designated and selected so as to strengthen and reinforce the Town image. (8) Considerations relating to access for physically disabled persons. The adequacy of the site development plan for providing accessibility and adaptability for physically disabled persons. Any improvements to a nonresidential building where the total valuation of alterations, structural repairs or additions exceeds a threshold value Findings and Considerations 15900 Los Gatos Boulevard Page-4- established by resolution of the Town Council, shall require the building to be modified to meet the accessibility requirements of title 24 of the California Administrative Code adaptability and accessibility. In addition to retail, personal services and health care services are not allowable uses on nonaceessible floors in new nonresidential buildings. Any change of use to retail, health care, or personal service on a nonaceessible floor in a nonresidential building shall require that floor to be accessible to physically disabled persons pursuant to the accessibility requirements of title 24 of the California Administrative Code and shall not qualify the building for unreasonable hardship exemption from meeting any of those requirements. This provision does not effect lawful uses in existence prior to the enactment of this chapter. All new residential developments shall comply with the Town's adaptability and accessibility requirements for physically disabled persons established by resolution. (9) Considerations relating to the location of a hazardous waste managementfacility. A hazardous waste facility shall not be located closer than five hundred (500) feet to any residentially zoned or used property or any property then being used as a public or private school primarily educating persons under the age of eighteen (18). An application for such a facility will require an environmental impact report, which may be focused through the initial study process. N:ADEV\FINDINGS\15900 Los Gatos Blvd. findings.doc CONDITIONS OF APPROVAL 15900 Los Gatos Boulevard Conditional Use Permit U-07-158 Requesting approval for a conditional use permit to allow police operations on property zoned CH. APN: 523-01-010. PROPERTY OWNER/APPLICANT: Town of Los Gatos TO THE SATISFACTION OF THE DIRECTOR OF COMMUNITY DEVELOPMENT: (Planning Division) APPROVAL: This application shall be completed in accordance with all of the conditions of approval listed below and in substantial compliance with the plans approved and noted as Exhibit G in the report to the Planning Commission. Any changes or modifications made to the approved plans shall be approved by the Director of Community Development or the Planning Commission, depending on the scope of the changes. 2. EXPIRATION OF APPROVAL: This application will expire two years from the date of approval unless the approval is used before expiration. Section 29.20.335 defines what constitutes the use of an approval granted under the Zoning Ordinance. USE. The approved use is for 24-hour police operations including, but not limited, to patrol, detectives, evidence storage and temporary holding of prisoners. 4. NOISE: The following measures shall be implemented to achieve compliance with the Town of Los Gatos Noise Ordinance: a. Use of sirens will be limited in the adjacent residential neighborhood, particularly at night (between 10:00 p.m. and 8 a.m.), unless necessary for public safety. (ND Mitigation Measure) b. Any potentially unruly detainees will be loaded and unloaded within the proposed sally port. (ND Mitigation Measure) c. The canine unit dogs will be loaded and unloaded at the staff entry area adjacent to the proposed sally port. (ND Mitigation Measure) d. To reduce noise levels along the northern project boundary, parking will not be allowed within 50 feet of the northern property boundary between 10 p.m. and 6 a.m. (ND Mitigation Measure) ATTACHMENT 2 e. The following measures shall be implemented to reduce noise levels along the eastern property boundary, adjacent to Camellia Terrace: (ND Mitigation Measure) i. A solid gate will be constructed across the driveway on Camellia Terrace. The gate may be a motor-driven rolling type, constructed of wood to match the associated fencing. ii. The Camellia Terrace driveway shall not be used for regular ingress and egress and shall only be used as necessary for public safety. 5. TRAFFIC SAFETY: a. At least one vehicle on-street parking space will be removed on the south side of each driveway to increase sight distance for vehicles entering and exiting the access locations on Los Gatos Boulevard and Camellia Terrace. A parking space of at least 25 feet will be removed immediately adjacent to the intersection and the curb painted red to prohibit parking. (ND Mitigation Measure) b. A "KEEP CLEAR" legend and stop line will be installed on Los Gatos Boulevard and Camellia Terrace at the project driveway locations to help prevent vehicles from blocking the intersection during peak traffic periods or other congested conditions. (ND Mitigation Measure) N:ADEV\CONDITNS\2007\15900 Los Gatos Blvd.CUP conditions.doc CONDITIONS OF APPROVAL 15900 Los Gatos Boulevard Architectural and Site Application S-07-214 Requesting approval for architecture and site approval to construct an addition to the existing building on property zoned CH. APN: 523-01-010. PROPERTY OWNER/APPLICANT: Town of Los Gatos TO THE SATISFACTION OF THE DIRECTOR OF COMMUNITY DEVELOPMENT: Planning Division 1. APPROVAL: This application shall be completed in accordance with all of the conditions of approval listed below and in substantial compliance with the plans noted as received by the Town on December 4, 2007. Any changes or modifications to the approved plans shall be approved by the Community Development Director or the Planning Commission depending on the scope of the change(s). Substantive modifications to the plans may be approved by the Town Council when awarding the construction contract for the project. 2. EXPIRATION OF APPROVAL: The Architecture and Site application (S-07-214) will expire two years from the date of the approval pursuant to Section 29.20.335 of the Town Code, unless the approval is used prior to expiration. 3. ARCHITECTURE. The final elevations shall incorporate the recommendations of the Town's Consulting Architect. Final elevations shall be reviewed and approved by the Director of Community Development with input from the Town's Consulting Architect as needed, prior to acceptance of plans for building plan check. 4. STORY POLES. The story poles on the project site shall be removed within 30 days of approval of the Architecture & Site application. 5. OUTDOOR LIGHTING. Building exterior, parking lot and landscape lighting shall be down directed fixtures that will not reflect or encroach onto adjacent properties. The final lighting plan shall be reviewed during building plan check. Any changes to the approved lighting plan shall be approved prior to installation. 6. SIGNS. Signs shall be in compliance with the Town's Commercial Design Guidelines and shall be sympathetic to the building architecture. to the satisfaction of the Director of Community Development. 7. TREE REMOVAL PERMIT. A Tree Removal Permit shall be obtained for trees to be removed, prior to the issuance of the demolition permit. 8. REPLACEMENT TREES. Replacement trees shall be planted for trees being removed. The number and size of new trees shall be determined using the canopy replacement table in the Town's Tree Protection Ordinance. Required trees shall be planted prior to final inspection. 9. TREE STAKING. All newly planted trees shall be double-staked using rubber tree ties. 10. TREE PRESERVATION. All recommendations of the Town's Consulting Arborist shall be followed throughout all phases of construction. Refer to the report prepared by Arbor Resources dated May 4, 2007 for details. Tree protection specifications shall be printed on the construction plans. 11. TREE FENCING. Protective tree fencing shall be placed at the drip tine of existing trees ATTACHMENT 3 Conditions of Approval 15900 Los Gatos Boulevard Architectural and Site Application S-07-214 Page -2- prior to issuance of demolition and building permits and shall remain through all phases of construction. Fencing shall be six foot high cyclone attached to two-inch diameter steel posts drive 18 inches into the ground and spaced no further than 10 feet apart. Include a tree protection fencing plan with the construction plans. 12. GENERAL. All existing trees shown on the plan and trees required to remain or to be planted are specific subjects of approval of this plan and must remain on the site. Building Division 13. PERMITS REQUIRED: A building permit shall be required for the construction of the pool and cabana. Separate permits are required for electrical, mechanical, and plumbing work as necessary. 14. CONDITIONS OF APPROVAL: The Conditions of Approval must be blue-lined in full on the cover sheet of the construction plans. A compliance memorandum shall be prepared and submitted with the building permit application detailing how the Conditions of Approval will be addressed. 15. SIZE OF PLANS: Four sets of construction plans, maximum size 24" x 36." 16. SOILS REPORT: A soils report, prepared to the satisfaction of the Building Official, containing foundation and retaining wall design recommendations, shall be submitted with the building permit application. This report shall be prepared by a licensed civil engineer specializing in soils mechanics. ALTERNATE: design the foundation for an allowable soils 1,000 psf design pressure (Uniform Building Code Volume 2 - Section 1805). 17. FOUNDATION INSPECTIONS: A pad certificate prepared by a licensed civil engineer or land surveyor shall be submitted to the project building inspector at foundation inspection. This certificate shall certify compliance with the recommendations as specified in the soils report; and, the building pad elevation, on-site retaining wall locations and elevations are prepared according to approved plans. Horizontal and vertical controls shall be set and certified by a licensed surveyor or registered civil engineer for the following items: a. Building pad elevation b. Finish floor elevation c. Foundation corner locations 18. BACKWATER VALVE: The scope of this project may require the installation of a sanitary sewer backwater valve per Town Ordinance 6.50.025. Please provide information on the plans if a backwater valve is required and the location of the installation. The Town of Los Gatos Ordinance and West Valley Sanitation District requires backwater valves on drainage piping serving fixtures that have flood level rims less than 12-inches above the elevation of the next upstream manhole. 19. TITLE 24 - COMMERCIAL: The building shall comply with the latest California Title 24 Accessibility Standards. Necessary work shall be first investigated by the design architect, and then confirmed by Town staff. 20. SPECIAL INSPECTIONS: When a special inspection is required by UBC Section 1701, the architect or engineer of record shall prepare an inspection program that shall be submitted to the Building Official for approval prior to issuance of the building permit. Conditions of Approval 15900 Los Gatos Boulevard Architectural and Site Application 5-07-214 Page -3- The Town Special Inspection form must be completely filled-out, signed by all requested parties and be blue-lined on the construction plans. Special Inspection forms are available from the Building Division Service Counter or online at wwwlosgatosca.gov. 21. NONPOINT SOURCE POLLUTION STANDARDS: The Town standard Santa Clara Valley Nonpoint Source Pollution Control Program shall be part of the plan submittal as the second page. The specification sheet is available at the Building Division Service Counter for a fee of $2 or at San Jose Blue Print. 22. PLANS: The construction plans shall be prepared under the direct supervision of a licensed architect or engineer (Business and Professionals Code Section 5538). 23. APPROVALS REQUIRED: The project requires the following departments and agencies approval before issuing a building permit: a. Community Development - Planning Division: Suzanne Davis at 354-6875 b. Engineering/Parks & Public Works Department: Fletcher Parsons at 395-3460 C. Santa Clara County Fire Department: (408) 378-4010 d. West Valley Sanitation District: (408) 378-2407 e. Local School District: The Town will forward the paperwork to the appropriate school district(s) for processing. A copy of the paid receipt is required prior to building permit issuance. TO THE SATFISFATION OF THE DIRECTOR OF PARKS &PUBLIC WORKS 24. SITE PLAN MODIFICATIONS: a. Show all easements on the plan. Construction documents must reference requirements identified in the easement agreement with Verizon (effects the LGB driveway). b. Provide curb or bollards at NE corner of Sallyport. c. Provide curb or bollards at NE corner of main building. d. The width of the driveway aprons along Los Gatos Boulevard and Camellia Terrace shall be as approved by the Public Works Department. The aisles shall be 25-feet wide rather than 22-feet. e. Connect the two bio swales to the existing inlet behind the curb at the south east corner of the property. f. Provide splash blocks at rainwater leaders on the LGB side of the building, or explain why SD connections are required. g. The Camellia Terrace gate appears to be in a landscape area. Show gate trough and trough drainage, and break in curb, if needed. h. Provide details for the Camellia Terrace gate to detail how the gate will function with proposed the crowned driveway section. Typically rolling gates are run on a level track. Consider making the gate line a grade break to allow it to be level. 25. ABOVE GROUND UTILITIES. a. The applicant shall submit a 75-percent progress printing to the Town for review of above ground utilities including backflow prevention devices, fire department connections, gas and water meters, off-street valve boxes, hydrants, site lighting, electrical/communication cable boxes, transformers, and mail boxes. b. Plans should reflect the actual space occupied by such devices. Conditions of Approval 15900 Los Gatos Boulevard Architectural and Site Application S-07-214 Page -4- c. Above ground utilities shall be reviewed and approved by Community Development prior to issuance of any permit. d. Show the transformer on the civil, utility, and landscape plans. Provide physical dimensions of proposed transformer. Show solid line corresponding to actual pad layout, and a dashed line for the PG&E required setbacks. Show required bollards. Consider a below -rade transformer in the sidewalk. 26. GRADING PERMIT. A grading permit is required for site grading and drainage. The grading permit application (with grading plans) shall be made to the Engineering Division of the Parks & Public Works Department located at 41 Miles Avenue. The grading plans shall include final grading, drainage, retaining wall location, driveway, utilities and interim erosion control. Grading plans shall list earthwork quantities and a table of existing and proposed impervious areas. Identify the specific areas that make up the totals. Unless specifically allowed by the Director of Parks and Public Works, the grading permit will be issued concurrently with the building permit. The grading permit is for work outside the building footprint(s). A separate building permit, issued by the Building Department on E. Main Street is needed for grading within the building footprint. 27. TREE REMOVAL. Copies of all necessary tree removal permits shall be provided prior to issuance of a grading permit. 28. SOILS ENGINEER CONSTRUCTION OBSERVATION. During construction, all excavations and grading shall be inspected by the applicant's soils engineer prior to placement of concrete and/or backfill so they can verify that the actual conditions are as anticipated in the design-level geotechnical report, and recommend appropriate changes in the recommendations contained in the report, if necessary. The results of the construction observation and testing should be documented in an "as-built" letter/report prepared by the applicants' soils engineer and submitted to the Town before final release of any occupancy permit is granted. 29. PAD CERTIFICATION. A letter from a licensed land surveyor shall be provided stating that the building foundation was constructed in accordance with the approved plans shall be provided subsequent to foundation construction and prior to construction on the structure. The pad certification shall address both vertical and horizontal foundation placement. 30. PRECONSTRUCTION MEETING. Prior to issuance of any permit or the commencement of any site work, the general contractor shall: a. Along with the project applicant, attend a pre-construction meeting with the Town Engineer to discuss the project conditions of approval, working hours, site maintenance and other construction matters; b. Acknowledge in writing that they have read and understand the project conditions of approval, and will make certain that all project sub-contractors have read and understand them prior to commencing work and that a copy of the project conditions of approval will be posted on site at all times during construction. 31. SOILS REPORT. One copy of the soils report shall be submitted with the grading permit application. The soils report shall include specific criteria and standards governing site grading, drainage, pavement design, retaining wall design and erosion control. The Conditions of Approval 15900 Los Gatos Boulevard Architectural and Site Application 5-07-214 Page -5- reports shall be signed and "wet stamped" by the engineer or geologist, in conformance with Section 6735 of the California Business and Professions Code. 32. SOILS REVIEW. Prior to issuance of any permit, the applicant's soils engineer shall review the final grading and drainage plans to ensure that designs for foundations, retaining walls, site grading, and site drainage are in accordance with their recommendations and the peer review comments. The applicant's soils engineer's approval shall then be conveyed to the Town either by letter or by signing the plans. 33. WATER DESIGN. Water plans prepared by SJWC must be reviewed and approved prior to issuance of any permit. 34. PUBLIC IMPROVEMENTS. The following improvements shall be installed by the developer. Plans for those improvements shall be prepared by a California registered civil engineer, reviewed and approved by the Town, and guaranteed by contract, Faithful Performance Security and Labor & Materials Security before the issuance of a building permit or the recordation of a map. The improvements must be completed and accepted by the Town before a Certificate of Occupancy for any new building can be issued. a. Los Gatos Blvd. Median improvements including any revisions to median landscaping and irrigation systems needed to accomplish the proposed break in the median. 35. GENERAL. All public improvements shall be made according to the latest adopted Town Standard Drawings and the Town Standard Specifications. All work shall conform to the applicable Town ordinances. The adjacent public right-of-way shall be kept clear of all job related dirt and debris at the end of the day. Dirt and debris shall not be washed into storm drainage facilities. The storing of goods and materials on the sidewalk and/or the street will not be allowed unless a special permit is issued. The developer's representative in charge shall be at the job site during all working hours. Failure to maintain the public right-of-way according to this condition may result in the Town performing the required maintenance at the developer's expense. 36. ENCROACHMENT PERMIT. All work in the public right-of-way will require a Construction Encroachment Permit. All work over $5,000 will require construction security. 37. PUBLIC WORKS INSPECTIONS. The developer or his representative shall notify the Engineering Inspector at least twenty-four (24) hours before starting any work pertaining to on-site drainage facilities, grading or paving, and all work in the Town's right-of-way. Failure to do so will result in rejection of work that went on without inspection. 38. EROSION CONTROL. Interim and final erosion control plans shall be prepared and submitted to the Engineering Division of the Parks & Public Works Department. A Notice of Intent (NOI) and Storm Water Pollution Prevention Plan (SWPPP) shall be submitted to the San Francisco Bay Regional Water Quality Control Board for projects disturbing more than one acre. A maximum of two weeks is allowed between clearing of an area and stabilizing/building on an area if grading is allowed during the rainy season. Interim erosion control measures, to be carried out during construction and before installation of the final landscaping shall be included. Interim erosion control method shall include, but are not limited to: silt fences, fiber rolls (with locations and details), erosion control blankets, Town standard seeding specification, filter berms, check dams, Conditions of Approval 15900 Los Gatos Boulevard Architectural and Site Application S-07-214 Page -6- retention basins, etc. Provide erosion control measures as needed to protect downstream water quality during winter months. The grading, drainage, erosion control plans and SWPPP shall be in compliance with applicable measures contained in the amended provisions C.3 and C.14 of Order No. R2-2005-0035 of the amended Santa Clara County NPDES Permit. 39. DUST CONTROL.. Blowing dust shall be reduced by timing construction activities so that paving and building construction begin as soon as possible after completion of grading, and by landscaping disturbed soils as soon as possible. Further, water trucks shall be present and in use at the construction site. All portions of the site subject to blowing dust shall be watered as often as deemed necessary by the Town, or a minimum of three times daily, or apply (non-toxic) soil stabilizers on all unpaved access roads, parking areas, and staging areas at construction sites in order to insure proper control of blowing dust for the duration of the project. Watering on public streets shall not occur. Streets will be cleaned by street sweepers or by hand as often as deemed necessary by the Town Engineer, or at least once a day. Watering associated with on-site construction activity shall take place between the hours of 8 a.m. and 5 p.m. and shall include at least one late-afternoon watering to minimize the effects of blowing dust. All public streets soiled or littered due to this construction activity shall be cleaned and swept on a daily basis during the workweek to the satisfaction of the Town. Demolition or earthwork activities shall be halted when wind speeds (instantaneous gusts) exceed 25 MPH. All trucks hauling soil, sand, or other loose debris shall be covered. 40. CONSTRUCTION MANAGEMENT PLAN. The Applicant shall submit a constriction management plan that shall incorporate at a minimum the Earth Movement Plan, Traffic Control Plan, Project Schedule, site security fencing, employee parking, construction staging area, construction trailer, and proposed outhouse locations. 41. SITE ACCESS. Use of Camellia Terrace shall be minimized. No construction on Camellia Terrace will be allowed except as expressly authorized by the Director of Parks and Public Works. 42. CONSTRUCTION STREET PARKING. No vehicle having a manufacturer's rated gross vehicle weight exceeding ten thousand (10,000) pounds shall be allowed to park on the portion of a street which abuts property in a residential zone without prior approval from the Town Engineer 15.40.070). 43. SITE DRAINAGE. Rainwater leaders shall be discharged to splash blocks. No through curb drains will be allowed. 44. NPDES. On-site drainage systems shall include a filtration device such as a bio-swale or permeable pavement. 45. SILT AND MUD IN PUBLIC RIGHT-OF-WAY. It is the responsibility of contractor and home owner to make sure that all dirt tracked into the public right-of-way is cleaned up on a daily basis. Mud, silt, concrete and other construction debris SHALL NOT be washed into the Town's storm drains. 46. UTILITIES. The developer shall install all utility services, including telephone, electric power and all other communications lines underground, as required by Town Code §27.50.015(b). All new utility services shall be placed underground. Underground conduit shall be provided for cable television service. Conditions of Approval 15900 Los Gatos Boulevard Architectural and Site Application S-07-214 Page -7- 47. RESTORATION OF PUBLIC IMPROVEMENTS. The developer shall repair or replace all existing improvements not designated for removal that are damaged or removed because of developer's operations. Improvements such as, but not limited to: curbs, gutters, sidewalks, driveways, signs, pavements, raised pavement markers, thermoplastic pavement markings, etc. shall be repaired and replaced to a condition equal to or better than the original condition. Existing improvement to be repaired or replaced shall be at the direction of the Engineering Construction Inspector, and shall comply with all Title 24 Disabled Access provisions. Developer shall request a walk-through with the Engineering Construction Inspector before the start of construction to verify existing conditions. 48. SIDEWALK REPAIR. The developer shall repair and replace to existing Town standards any sidewalk damaged now or during construction of this project. Sidewalk repair shall match existing color, texture and design, and shall be constructed per Town Standard Details. The limits of sidewalk repair will be determined by the Engineering Construction Inspector during the construction phase of the project. 49. CURB AND GUTTER. The developer shall repair and replace to existing Town standards any curb and gutter damaged now or during construction of this project. New curb and gutter shall be constructed per Town Standard Details. The limits of curb and gutter repair will be determined by the Engineering Construction Inspector during the construction phase of the project. 50. DRIVEWAY APPROACH. The developer shall install two Town standard commercial driveway approaches. The new driveway approaches shall be constructed per Town Standard Details. 51. AS-BUILT PLANS. An AutoCAD disk of the approved "as-built" plans shall be provided to the Town prior to issuance of a Certificate of Occupancy. The AutoCAD file shall include only the following information and shall conform to the layer naming convention: a) Building Outline, Layer: BLDG-OUTLINE; b) Driveway, Layer: DRIVEWAY; c) Retaining Wall, Layer: RETAINING WALL; d) Swimming Pool, Layer: SWIMMING-POOL; e) Tennis Court, Layer: TENNIS-COURT; f) Property Line, Layer: PROPERTY-LINE; g) Contours, Layer: NEWCONTOUR. All as-built digital files must be on the same coordinate basis as the Town's survey control network and shall be submitted in AutoCAD version 2000 or higher. 52. SANITARY SEWER LATERAL. Sanitary sewer laterals are televised by West Valley Sanitation District and approved by the Town of Los Gatos before they are used or reused. Install a sanitary sewer lateral clean-out at the property line. 53. SANITARY SEWER BACKWATER VALVE. Drainage piping serving fixtures which have flood level rims less than twelve (12) inches (304.8 mm) above the elevation of the next upstream manhole and/or flushing inlet cover at the public or private sewer system serving such drainage piping shall be protected from backflow of sewage by installing an approved type backwater valve. Fixtures above such elevation shall not discharge through the backwater valve, unless first approved by the Administrative (Sec. 6.50.025). The Town shall not incur any liability or responsibility for damage resulting from a sewer overflow where the property owner or other person has failed to install a backwater valve, as defined section 103(e) of the Uniform Plumbing Code adopted by section Conditions of Approval 15900 Los Gatos Boulevard Architectural and Site Application S-07-214 Page -8- 6.50.010 of the Town Code and maintain such device in a functional operating condition. Evidence of West Valley Sanitation District's decision on whether a backwater device is needed shall be provided prior to issuance of a building permit. 54. CONSTRUCTION NOISE. Between the hours of 8:00 a.m. to 8:00 p.m., weekdays and 9:00 a.m. to 7:00 p.m. weekends and holidays, construction, alteration or repair activities shall be allowed. No individual piece of equipment shall produce a noise level exceeding eighty-five (85) dBA at twenty-five (25) feet. If the device is located within a structure on the property, the measurement shall be made at distances as close to twenty-five (25) feet from the device as possible. The noise level at any point outside of the property plane shall not exceed eighty-five (85) dBA. 55. HAULING OF SOIL. Hauling of soil on or off-site shall not occur during the morning or evening peak periods (between 7:00 a.m. and 9:00 a.m. and between 4:00 p.m. and 6:00 p.m.). Prior to the issuance of a building permit, the developer shall work with the Town Building and Engineering Department Engineering Inspectors to devise a traffic control plan to ensure safe and efficient traffic flow under periods when soil is hauled on or off the project site. This may include, but is not limited to provisions for the developer/owner to place construction notification signs noting the dates and time of construction and hauling activities, or providing additional traffic control. Cover all trucks hauling soil, sand, and other loose debris or require all trucks to maintain at least two feet of freeboard. TO THE SATISFACTION OF THE SANTA CLARA COUNTY FIRE DEPARTMENT: 56. REQUIRED FIRE FLOW: The fire flow for this project is 3,250 gpm at 20 psi residual pressure. As an automatic fire sprinkler will be installed, the fire flow has been reduced by 75% establishing a required adjusted fire flow of 1,500 gpm at 20 psi residual pressure. The adjusted fire flow is available from area water mains and fire hydrant(s) which are spaced at the required spacing. 57. AUTOMATIC FIRE SPINKLER SYSTEM REQUIRED: Buildings requiring a fire flow in excess of 2,000 GPM or all new Buildings located within the hazardous fire area, shall be protected throughout by an approved, automatic fire sprinkler system, hydraulically designed per National Fire Protection Association (NFPA) Standard 413. A State of California licensed fire protection contractor shall submit plans, calculations, a completed permit application and appropriate fees to this department for review and approval prior to beginning their work. 58. LOCATION OF REQUIRED FIRE PROTECTION SYSTEM(S) EQUIPMENT: Proposed locations for fire sprinkler system(s) control valves (PIV/OS&Y), fire department connections (FDC), shall be coordinated with the fire department and the project planners, prior to submittal of formal designs. The above ground devices shall be readily accessible by the fire department and not obstructed by the proposed fencing. 59. EMERGENCY GATE/ACCESS REQUIREMENTS: a. Gate installations shall conform with Fire Department Standard Details and Specification G-I and, when open shall not obstruct any portion of the required width Conditions of Approval 15900 Los Gatos Boulevard Architectural and Site Application S-07-214 Page -9- for emergency access roadways or driveways. Locks, if provided, shall be fire department approved prior to installation. b. Gates across the emergency access roadways shall be equipped with an approved access devices. If the gates are operated electronically, an approved Knox key switch shall be installed; if they are operated manually, then an approved Knox padlock shall be installed. 60. PREMISES IDENTIFICATION: Approved numbers or address shall be placed on all new and existing buildings in such a position as to be plainly visible and legible from the street or road fronting the property. Numbers shall contrast with their background. N ~DEVVCONDITNS\2007\;5900 Los Gatos B1,d_A&S conditions. doc Date: January 4, 2008 For Agenda Of: January 9, 2008 Agenda Item: 5 REPORT TO: The Planning Commission FROM: Director of Community Development LOCATION: 15900 Los Gatos Boulevard Conditional Use Permit U-07-158 Architecture and Site Application S-07-214 Requesting approval for a conditional use permit to allow police operations and architecture and site approval to construct an addition to the existing building on property zoned Ch. APN: 523-01-010. PROPERTY OWNER/APPLICANT: Town of Los Gatos DEEMED COMPLETE: December 18, 2007 FINAL DATE TO TAKE ACTION: June 18, 2008 FINDINGS: 1. As required by Section 29.20.190(a) of the Town Code for granting a Conditional Use Permit; or 2. As required by Section 29.20.150 of the Town Code for Architecture and Site applications. 3. Required compliance with the Commercial Design Guidelines. 4. Required compliance with the Los Gatos Boulevard Plan. ACTION: Recommendation to the Town Council. EXHIBITS: A. Required findings (4 pages) B. Recommended conditions of approval for U-07-158 (2 pages) C. Recommended conditions of approval for S-07-214 (9 pages) D. Consulting Architect comments (4 pages) E. Traffic Consultant comments (2 pages) F. Previously Approved Initial Study (69 pages) G. Development Plans, received February 7, 2007 (6 pages) A. BACKGROUND: The Town Council entered into a Letter of Intent (LOI) with Verizon for the purchase of 15900 Los Gatos Boulevard on March 20, 2007 with the intent to use the building for police services. Staff conducted a due diligence investigation to determine whether to proceed with the purchase. The Planning Commission reviewed the proposed land purchase and associated Mitigated Negative Declaration on May 23, 2007. The Commission recommended to the Town Council that the purchase of the site is consistent with General Plan and to approve the Mitigated Negative Declaration. At their meeting of June 18, 2007, the Town Council authorized the purchase of the site to use for police operations and approved the Mitigated Negative Declaration. ATTACHMENT 4 Planning Commission-January 9, 2008 15900 Los Gatos Boulevard / 5-07-214 and U-07-158 Page 2 As part of the due diligence investigation, staff worked with the architectural firm of Ross Drulis Cusenbery (RDC) of Sonoma, California to develop a conceptual site and floor plan for the site. RDC prepared conceptual floor plans for consideration. At the meeting on June 18th, the Council directed staff to proceed with the plan that includes remodeling the interior of the existing building along with two additions. A 1,950 square addition along the southeast side of the building will accommodate a secured entry garage (known as a sallyport) and entry corridor with storage rooms. A 1,290 square foot addition will be constructed along the northern side of the building for a combination briefing room/training room/Emergency Operations Center (EOC). The primary function of this multipurpose room is for daily briefings and also for classes and other training for officers. However, the size of the room, allows it, when necessary, to be used as an EOC. The existing building with the additions would total 13,279 square feet. Originally, it was indicated that patrol officers, parking control officers, and evidence storage would be located at the site. Police administration, records and dispatch would remain at Town Hall as the site is not large enough to accommodate the entire police function. Upon further consideration, the department has concluded that the detective bureau should also be located at the new building in order to maintain direct interaction with the patrol officers. The parking control officers will now remain at Town Hall. This change will result in three additional personnel to be located at the new station from the total previously considered. The implications of this change are discussed in the report. Normally, requests for architecture and site applications and conditional use permits (CUP) are approved by the Planning Commission. However, because this a Town project, the Council directed that the Architecture and Site approval and CUP be forwarded to them for final approval. B. DISCUSSION: 1. Project Description Approval is requested for a CUP to allow police operations at the site. Architecture and Site approval is also requested to allow an addition to the northern side of approximately 1,290 square foot to be used a conference/training room and Emergency Operation Center. An addition of approximately 1,950 square feet is proposed along the southeast side of the building for an entry corridor and a vehicle sallyport. 2. Conditional Use Permit The project is zoned Restricted Highway Commercial. Public Facilities are permitted in this zone upon approval of a CUP. As discussed above, the building will house police operations including patrol operations, the detective bureau and evidence storage. Police administration, records and dispatch would remain at Town Hall as the site is not large enough to accommodate the entire police function. Planning Commission-Januarv 9, 2008 15 900 Los Gatos Boulevard / S-07-214 and U-07-158 Page 3 Monday through Thursday, patrol officers work in three shifts consisting of five to seven officers. On Friday, Saturday and Sunday, there are two shifts with six officers. The patrol officers are in the community during most of their shift and are usually at the building only at the beginning and end of their shifts. The detective bureau consists of five detectives, a crime analysis, and two Community Service Officers-Evidence Teclulicians (CSO's). The Crime Analyst works Monday thru Friday. The detectives and CSO's work either Monday thru Thursday or Tuesday thru Friday. One of the CSO's was already anticipated to be located at this building. Other personnel that would be located at the site include the Operations Captain, a patrol and administrative sergeant, and an evidence technician. The facility contains two adult holding cells, a juvenile holding cell and a pre-booking room. Most detainees are taken directly to the county jail in San Jose. The detainees brought to this facility are only kept at the station for a short time before being transferred to the county jail. No long term incarceration will occur at this location. When a prisoner is brought to the station, the officer parks the patrol car in the enclosed sally port at the southeast portion of the building. The sallyport door is closed and the detainee is taken directly into the holding cell from the sally port. Two community meetings have been held to discuss the potential police services facility. The meetings were held on April 18, 2007 and May 16, 2007. There were approximately 20 people at the first meeting and 12 people at the second meeting. Most of the questions regarding the potential facility were related to traffic, noise and the intended use of the building. Questions raised at the meetings were primarily related to use of the Camellia Terrace driveway and the use of sirens in the neighborhood. The Police Chief stated that officers would be directed to use Los Gatos Boulevard to enter and leave the site, except for situations that require them to use Camellia Terrace. He also described the measures used to mitigate noise impacts from siren to the surrounding neighborhood at Town Hall and reiterated his intent to use these procedures at the proposed location. A noise study conducted during the feasibility analysis determined that noise levels associated with most police activities would not exceed ordinance limits except for noise from vehicles in the public parking area (along the northern property line) at night (10 p.m. to 6 a.m.) or barking from police dogs at night. To mitigate these impacts, public parking within 50 feet of the northern property needs to be restricted between 10 p.m. to 6 p.m. Signage will be placed in this area indicating no parking is permitted during this time. Additionally, posts will be placed in the landscape area adjacent to the public parking that allow the area blocked off during evening hours if necessary to prevent noise impacts. Planning Commission-January 9, 2008 15900 Los Gatos Boulevard / S-07-214 and U-07-158 Page 4 Noise from other police activities will be addressed through normal operational measures such as loading and unloading potentially unruly detainees within the proposed sally port, limiting the use of sirens near residences, unless absolutely necessary for public safety, and loading and unloading the canine unit dogs at the staff entry area adjacent to the sally port. These measures are included in the recommended conditions of approval. 3. Architecture and Site Approval Two additions are proposed to the existing building. Along the northern portion of the building a 1,290 square foot addition is proposed. This area would be used as a briefing/training room. To add visual interest, the addition has been designed with a slopping roof that has a maximum height of 24 feet at the northern building edge sloping down to a height of 16 feet. The exterior material will be a cement board cladding system, which is an architectural grade material that can be cut into varying panel sizes with reveals that provide shadowing. A steel canopy is proposed over the entry area, and a small concrete seating wall, approximately three feet tall, is proposed in front of the entry area. Several features are proposed to help unify the addition with the existing building and to enhance the appearance of the building that was built in the early 1960's. The grates covering the windows of the existing building will be removed and a new window system will be provided. A steel sunshade, made of the same material as the entry canopy, will be provided over the windows. The area above and below the windows will be painted a light tan and the columns between the windows will be painted a light brown. Skylights that slope to match the addition are proposed on the roof. However, if cost estimates for the building exceed the approved budget, the skylights may have to be removed. A 1,950 square foot addition is proposed along the southeast side of the building. This addition is an entry corridor for officers from the secure parking area and a sally port, which is an enclosed area to securely transfer detainees from patrol vehicles to the holding cells. This portion of the building will be cement plaster painted to match the building. Because of the unique nature of the use, roof mounted antennas are required to provide for radio monitoring and a back-up dispatch center. The types of antennas needed are relatively small in diameter, three inches or less and approximately six feet in height. They will be mounted on a metal bracket raising the total height to between 10 and 12 feet. Three antennas can be mounted on a bracket and approximately six antennas will be needed. The antennas need to be located near the radio equipment, which will be located in the EOC. The sloping roof along this portion of the building will help screen the antennas, and staff will locate them in the least obtrusive location as possible. However, as an emergency facility, the foremost concern is making sure satisfactory radio reception is achieved. Reception needs will determine the actual location on the building. A drawing of the antennas will be brought to the meeting. Planning Commission-January 9, 2008 15900 Los Gatos Boulevard / 5-07-214 and U-07-158 Page 5 New landscaping is proposed in the along Los Gatos Boulevard, Camellia Terrace and in the parking area. Approximately, 33 new trees are proposed along with accent shrubs. To replace trees being removed, approximately 40 new trees would be required, however, 33 is the most that can be accommodated on the site. The remainder will be planted in parks or along streets. The consulting architect has reviewed the proposal and overall, supports the design. He states the metal sunshades over the windows seem to reflect the metal entry canopy well, and the forms of the new space behind the entry canopy and the skylight projections on the roof add interest (Exhibit D). The consulting architect recommends modifying the detailing over the windows of the existing building. To add detail and provide shading for those windows, he recommends infill metal blades or mesh horizontally within the U-shape of the metal shade be added. Staff is currently working with the architects and an estimator to determine the construction cost for the building. Should the cost exceed the available budget, modifications to the project may be required. Should substantial revisions be necessary, the Architecture and Site conditions include a provision that the modifications to the design may be approved by the Town Council when approving the constriction contract for the project. 4. Parking The site plan indicates 43 parking spaces are proposed for Police Department staff (including one handicap accessible space); four parking spaces are proposed for utility vehicles and motorcycle parking, and six public parking spaces (including one handicap accessible parking space). An evaluation of the changing parking demand throughout the day shows a peak parking demand for 40 vehicles in the secured parking area and the available parking spaces in this area are sufficient to meet the needs of the police department. The previous version of the site plan included seven public parking spaces along the northern property line. One space was removed in order to retain a large Oak tree along the northern property line. Staff is investigating if it possible to retain the parking space without compromising the ability to retain the tree. The proposed public parking spaces are considered sufficient for the use based on experience of the police facility at the Civic Center. 5. Traffic The traffic study completed for the Mitigated Negative Declaration concluded that the traffic generated by the police services building would be similar to an office building and less than a retail use, both of which are permitted uses at this location. The project's Planning Commission-January 9, 2008 15900 Los Gatos Boulevard / 5-07-214 and U-07-158 Page 6 impact on the two adjacent signalized Los Gatos Boulevard intersections at Blossom Hill Road and Chirco Drive were analyzed. Project-related traffic increases would add the equivalent of approximately 0.1 second of average delay at both intersections on weekdays and less than 0.1 percent of current traffic levels on weekends. This is considered less than significant impact. The traffic consultant submitted a letter (attached) that states locating three additional people at the site does not change the conclusion in the study that traffic associated with the police services building does not result in a significant impact (Exhibit E). The traffic study recommends that at least one on-street parking space be removed on the south side of the driveways on Los Gatos Boulevard and Camellia Terrace to increase sight distance for vehicles entering and exiting the site. Along Los Gatos Boulevard, the Chief of Police requests that additional on street parking be removed and/or limited to maintain adequate visibility for officers leaving the site. It is was also recommended that a "KEEP CLEAR" road marking and stop line be installed on Los Gatos Boulevard and Camellia Terrace at the project driveway locations to help prevent vehicles from blocking emergency vehicles leaving the site. Additionally, the median on Los Gatos Boulevard will be modified to allow left turns out of the site. These measures will be implemented as part of the project. 6. Trees The Town's consulting arborist, Arbor Resources (AR), completed an arboricultural survey for the proposed project. The survey identified a total of 44 trees of eight various species that could be affected by the proposed project. Of these 44 trees, eight are within the public right- of-way and two are sufficiently close on properties adjoining the site as to be vulnerable to potential damage during development. The 44 trees listed in the inventory include 43 Protected Trees (trees with a trunk, diameter of four inches or greater); Tree #32 is comprised of 13 small privets situated along the neighboring southern building and is in a row of other smaller privets that constitute non-Ordinance sized trees. Of the 44 trees on the site, the proposed parking lot configuration would subject the following ten trees to removal: 421- 28, 30 and 31. Except for 930, all are Raywood ash that have either died or can be expected to die in the near future. Tree 930 is a camphor tree that contains significant branch dieback throughout its canopy. Based on this information, the report concludes that the loss of these ten trees would be insignificant and the project would comply with the Town's Ordinance. The proposed building design would require the removal of Tree 91; a 10.5-inch diameter southern magnolia. Due to damage to the bark, the report advises against the relocation of this tree. Rather, replacement trees should be planted to mitigate its loss. Replacement trees to mitigate the loss of trees removed, shall, pursuant to Section 29.10.0985 of the Town Code, be determined by the Parks and Public Works Department. Planning Commission-January 9, 2008 15900 Los Gatos Boulevard / S-07-214 and U-07-158 Page 7 Trees #17 and 29 would sustain root damage with implementation of the driveway and parking lot reconfiguration. Provided the work is performed according to recommendations in the report, the potential impacts would be reduced to less than significant. All of the 26 recommendations made by Arbor Resources (May 4, 2007) will be implemented to eliminate or minimize the construction-related impacts on the trees to be retained. 7. Conformance with the General Plan The following goals and policies are relevant to the proposed project: Section or Policy Staff Comment 1. L.P. 3.3: Protect existing residential The proposed design locates noise areas from adjacent nonresidential uses intensive uses away from the residential by assuring that buffers are developed neighborhood. Police vehicles will refrain and maintained. Buffers shall be from using their sirens in the parking area required as conditions of approval and and will use Los Gatos Boulevard to enter may consist of landscaping, sound and exit the site except for emergencies. A barriers, building setbacks and open landscape and sound buffer is provided to space. mitigate noise impacts. 2. S.P. 4.1: Pursue community policing and The site will enhance public safety by other crime prevention measures for providing facilities with adequate space to increased public safety. meet code and deliver services. The building is centrally located on a major street, an important consideration for public safety operations. 3. N.G. 1.2: Ensure that noise from new See staff comment 41. development and new land uses does not adequately affect existing land uses. 4. N.P. 1.3: Ensure that all services Design of the site and parking area along performed by the Town do not cause with the mitigation measures contained in undue noise problems. the report will ensure that operations performed at the site do not cause undue noise impacts to the neighborhood. 8. Conformance with Los Gatos Boulevard Plan The project site is located within the area Los Gatos Boulevard Plan area. The Plan provides land use goals and guidelines for the corridor. While the Plan does not include specific Planning Commission-January 9, 2008 15900 Los Gatos Boulevard / 5-07-214 and U-07-158 Page 8 direction for land use at the project site, the project supports the Plan's identified land use goals, which are as follows: 1) To promote commercial activity that complements the whole Town. 2) To provide a dependable source of income, employment, goods, and services. 3) To encourage a mixture of uses along Los Gatos Boulevard that are compatible with surrounding uses. 4) To provide a transition from higher density uses at the north side of Los Gatos Boulevard to existing residential uses at the south end of Los Gatos Boulevard. The proposed police substation would be consistent with existing cormmercial uses adjoining the site to the south and west. The project attempts to minimize adverse impacts on the adjacent residential uses to the north through a design that retains the existing configuration of access and parking for the proposed use. 9. Conformance with Commercial Design Guidelines The Commercial Design Guidelines include general design principles that apply Town wide and specific concepts for Los Gatos Boulevard. The basic design principles for this area include maintaining a strong landscaped setback from Los Gatos Boulevard; maintain views to the hills; the design should reflect Los Gatos' unique qualities of small scale, pedestrian friendliness, and attention to architectural detail; and provide substantial landscaping of parking areas and project entries. The existing building was constructed in the early 1960's and is a simple rectangular building with a flat roof. An approximately 15-foot landscape buffer is provided between the building and the sidewalk. The proposed design is intended to upgrade the design of the existing building and add visual interest and will comply with the Design Guidelines. The addition along Los Gatos Boulevard has been designed with a sloped roof parapet to add visual interest, and a canopy is proposed at the entry area. The front of the existing building will be upgraded by removing the grates and providing a new window system. A steel sunshade made of the same material as the canopy is proposed over the windows. Skylights that slope to match the addition are proposed on the roof. The existing landscape buffer will be maintained and enhanced with new landscaping and trees. C. ENVIRONMENTAL REVIEW: A Mitigated Negative Declaration was for the proj ect was adopted by the Council at the time the purchase was approved. Other than increasing the number of people assigned to the site by three, there have been no changes to the project that were not considered in the Mitigated Negative Declaration. The traffic consultant has determined that the addition of three peak hour trips does not change the conclusions in the traffic study. The mitigation measures identified in the Mitigated Negative Declaration have been incorporated into the project and the recommended conditions of approval. As such, no additional environmental review is required. Planning Commission-January 9, 2008 15900 Los Gatos Boulevard / S-07-214 and U-07-158 Page 9 D. RECOMMENDATION: The decision of the Planning Commission should be in the form of a recommendation to the Town Council. If the Planning Commission finds merit in recommending approval of the CUP and Architecture and Site application, it should recommend that Council: 1) Make the required findings as required by Section 29.20.190 of the Town Code for the granting of a Conditional Use Permit; and 2) Make the required considerations required for Architecture and Site applications. 3) Approve the CUP and Architecture and Site application subject to the attached conditions (Exhibits B and C) and development plans (Exhibit F). Prepared by: Curtis Banks, AICP Project Planner Approved by: Bud N. 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U U U U U O 0 w (0 C w O fo X U C O d .C u (d F .-I N m C ifl iO r m m U U) ro u H tr, w a) 4J rJ U y4 , L H O C R U O 0 Q O > ro -H o u C C. O N C 'O U m o ~ O U o (0 v ~4 v u «S ro v ro a) 0 w 0 0 O O x U 3 p' ~ -rl 0 ~ 3 0 3 u -H N u U a) U -.1 u C rf U C Q 0 O J Q ~ U 't x u 7 ro O O C9 7 x C RS t~ m X O 0 0 UI 14 14 w 0 CO a ~a s4 H o rli O U w C 0 x C N F m o N m <r ~n ~ r m o .1 N m a ~n H r1 H H .i N H H H H N N N N N N O o ro N f1 ro m z O o m [n N w O H U C7 0 a z H O 0 rn a o, F C~7 U U1 H O a N ARCHITECTURE PLANNING URBAN DESIGN DESICrN L, I 1' December 24, 2007 Mr. Curtis Banks Communiry Development Department Town of Los Gatos 110 E. Main Street P.O. Box 949 Los Gatos, CA 93031 RE: Police Department & EOC Building Dear Curtis: I reviewed the design draw ngs, and visited the site. My comments and recommendations are as follows: Neighborhood Context The project involves the remodeling and addition to an existing !)uilding on Los Gatos Blvd., adjacent to the Cor- nerstone Shopping Center. The adjacent area contains a wide mix of uses and architectural styles. Photos of the existing buildings and surrounding, are shown below: h i . 4 A~ F F-• ~if ~.?1 . t0 e'UStfi~P buildm,, .'ntl y _ r a ~ -,v to adjacent sit- to the north Cornerstone Shopping Center- to the south TEL: ?15.331.3795 FAX: 415.331.;797 EMAIL: cdgplanCDpacbeIhiet 180 HARBOR DRIVE SUITE 219 SAUSALITO . CA 94965 ATTAMENT 6 Police Department & F( )C Building Design Re~ie~ti Comment; December 24, 2007 Page 2 l " I side of L Ga v1' I , st side of Los C I ~s 8l6 On sit: vievv to the south Issues and Recommendations 1. Overall, I think the desigia looks good. The metal sunshades over the windows seem to reflect the metal entry canopy well, and the forms of the new, space behind the entry canopy and what appear to be skylight projections on the roof seem fine. 2. As to the cement board cladding, it can be attractive if a really high qual- ity material and level of detailing are used. I serve as the Consulting _lrchit, : t for the University of Victoria (British Columbia). The architects there are using the "rain screen wall systems" rather extensively now. The most recent building on the campus is a new Social Sciences and -Mathematics complex. A cement panel system was selected for that project. The material used was - - - - - a very high quality panel called "Swiss Pearl" (See photo to the right). Take a look at the on-line brochure at lnwsrf ercerrre pcarsel.corn. I went to the web site for CertrG(wit. the cement board material that the archi- tects referenced in an earlier e-mail to You. It is hard to tell if that product would be acceptable. Some photos looked pretty good, but others did not look good at all_ Another manufacturer for this type of material is Tesla which has a sim lar look to Srvist Pearl CANNON DESIGN GROUP 180 HARBOR DRIVE . SUITE 219 . SAUSALITO . CA 94967, Police Deptitmcnt & EOC Budding Design Review Comments December 24, 2007 Ryc 3 One of the things that I like about Swiss Pear! (and in some of the images for Cerre! amt) is the nice clean, modern edges at building corners. But, I note on the architects' renderings what appears to be rather heavy corners -looks rather like a c -ner board. The cleaner edge detail .ould be u d here. Corner details are 11 1 unnecessarily heavy z~ Also, appealing aspects, _ the S? A system ( and probably on the CemUotrit also since the architects indicate that there will be fasteners) are the exposed metal fasteners at each corner of the panels, and the use of some space between panels to create deep reveals (see image on page 1). The pan- els are essentially set off from the wall which is thoroughly waterproofed with the idea that any moisture behind the panels runs down that wall and out the bottom of the cavirv 1 Note that the West Elevation calls for the Light Monitor walls to be clad in metal while the North Elevation indicates a continuation of the cement board siding used on the walls of the new Briefing Room. Either solution would be acceptable, but the cement board is likely to be the most cost effective. 4. It is hard to tell how the sunshade eyebrows over the windows are being detailed. The rendering seems to suggest that it is just a "U-shaped" metal element that extends out from the wall face. To add interesting detail and to actually work well in shading those window, it would be better to include some infill metal blades or mesh horizontally witl-an the U-shape. The photo below shov just one form this might take. CANNON DESIGN GROUP 180 HARBOR DRIVE . SUITE 219 . SAUSALITO . CA 94965 Police Deparnncnt & EOC BLulding Dcsihl Revic\a (,omments December 24, 2007 Page 4 5. Finally, the type style selected for the building signage looks rather dated to me. Also, the generally "ribbon" look of the letter stroke in this type srtvle is not as ease to read from a distance as some other type styles - a factor that seems im- portant for a public safer- building. AY/hen the signage for the building is formally considered, another type font should be selected. Develop cleaner detail at corners and top consistent with manufacturer's recommendations Select a more readable Provide additional sun shading type font for signs within the canopy forms Recommendations Summary Curtis, please ler me know if you have any questions, or if there are specific issues of concern that I did not address. Sincerely-, CANNON DESIGN CROUP Larry Cannon AICP President CANNON DESIGN GROUP 180 HARBOR DRIVE . SUITE 219 . SAUSALITO . CA 94965 Kimley-Horn r.__1 and Associates, Inc. 20 December 2007 rtis Banks M C 2000 Crow Canyon Place r. u Suite 410 Town of LOS Gatos San Ramon, California Main Street 110 E 2 5 . T 9 3 54 43 0 T 925 0840 P.O. Box 949 r- 925 543 0839 Los Gatos, CA 95031 Re: Update to traffic evaluation for new Los Gatos Police Services Building due to staffing changes Dear Mr. Banks: Thank you for inviting Kimley-Horn and Associates, Inc. (Kimley-Horn) to perform traffic and transportation services in conjunction with the proposed new Town of Los Gatos Police Department Facility. On May 14, 2007 we submitted our final traffic evaluation for the new Los Gatos Police Services Building. Recently, the staffing of the police services building has changed and a revised evaluation was conducted to determine if the change would impact the findings of the previous letter. This letter serves as a supplemental evaluation of the noted staffing change and all findings of the letter dated May 14, 2007, remain unchanged unless noted herein. Table A summarizes the results of the weekday trip generation for the police services building. No change is anticipated for the weekend trip generation. The staffing changes at the facility include the addition of five detectives and one crone analyst. Kimley-Horn was also notified that one evidence technician and one community service officer would be added to the facility but we have verified that this staff was included in the previous evaluation and therefore are not included in this update. The trip generation approach assumes that police staff at the services building leaves once during their work day and that patrol officers return to the police services building an average of one time during each shift. This approach results in a worst-case traffic projection for the proposed police services building* As shown in Table A, the Police Services Building is expected to generate 21 vehicular trips during the weekday AM peak period and 26 vehicular trips during the PM peak period. In comparison to a possible future Shopping Center land use, the Police Services Building generates an additional 12 trips during the AM peak period and 6 fewer vehicular trips during the PM peak period. Comparing the existing General Office land use with the proposed Police Service Building shows that the Police Services Building is expected to generate 8 additional trips during the AM peak period and 13 additional trips during the PM peak period. These additional trips are were found to add the equivalent of approximately 0.1 second of average delay to the two adjacent traffic signals at the nltersections of Blossom Hill Road and Chirco Drive with Los Gatos Boulevard, and thus have a less than significant effect on the surrounding roadway traffic conditions. LosGatosPoliceServicesBuildino.UpdatedEvaluation_I22007.doc ATTACMENT 7 Kmley-Horn and Associates, Inc. Los Gatos Police Services Building Traffic Evaluation Update, Page 2 Table A - Weekday Trip Generation Summary Daly Weekday AM Peak Weekday PM Peak Land Use Independent Variable Trips (7 am - 9 am) (4 pm - 6 pm) In Out Total In Out Total General Office 8,645 square feet 95 11 2 13 2 11 13 (ITE Land Use Code 710) Shopping Center 8,645 square feet 371 5 4 9 15 17 32 (ITE Land Use Code 820) Proposed Police Services Building (10,765 square feet) Operations Captain 1 captain start/end shift and 4 1 0 1 0 1 1 (7 am - 5 pm) leaves for lunch Patrol Sergeant 1 sergeant start/end shift and 4 1 0 1 0 1 1 (7 am - 5 pm) leaves for lunch Administrative Sergeant 1 sergeant start/end shift and 4 1 0 1 0 1 1 (7 am - 5 pm) leaves for lunch Evidence Technician 1 evidence technician start/end 4 1 0 1 0 1 1 (7 am - 5 pm) shift and leaves for lunch Community Service Officer 1 CSO start/end shift and 4 1 1 2 1 1 2 (7 am - 5 pm) return once during shift Weekday Day Shift 6 patrol officers start/end shift 36 2 2 4 6 6 12 (6 am - 4 pm) and return once during shift Weekday Swing Shift 7 patrol officers start/end shift 42 0 0 0 2 2 4 (3 pm - 1 am) and return once during shift Weekday Night Shift 5 patrol officers start/end shift 30 0 5 5 0 0 0 (9 pm - 7 am) and return once during shift Police Detective 5 police detectives start/end 20 5 0 5 0 5 5 (7 am - 5 pm) shift and leaves for lunch Crime Analyst 1 crime analyst start/end shift 4 1 0 1 0 1 1 (7 am - 5 pm) and leaves for lunch Subtotal 152 13 8 21 9 19 27 Thank you again for the opportti rrity to perform the updated traffic evaluation for the proposed Los Gatos Police Services Building. Please let us know if you have any further questions. Sincerely yours, KIMLEY-HORN AND ASSOCIATES, INC. Michael C. Mowery, P.E. P.E. Certificate No. C66353 LosGatosPoliceServicesBuiIding. UpdatedEvahiation 122007. doe INITIAL STUDY LOS GATOS - MONTE SERENO POLICE SERVICES FACILITY 15900 LOS GATOS BOULEVARD LOS GATOS, CALIFORNIA PREPARED FOR TowN OF Los GATOS COMMUNITY DEVELOPMENT DEPARTMENT 110 E. MAIN STREET LOS GATOS, CA 95030 MAY 2007 PREPARED BY GEIER & GEIER CONSULTING, INC. P.O. Box 5054 BERKELEY, CA 94705-5054 510/644-2535 ATTACHMENT 8 TOWN OF LOS GATOS COMMUNITY DEVELOPMENT DEPARTMENT ENVIRONMENTAL CHECKLIST FORM 1. Project Title: Los Gatos - Monte Sereno Police Services Facility 15900 Los Gatos Boulevard 2. Lead Agency Name and Address: Town of Los Gatos Community Development Department 110 East Main Street Los Gatos, CA 95031 3. Contact Person and Phone Number: Curtis Banks, 408/354-6807 4. Project Location: 15900 Los Gatos Boulevard 5. Property Owner: Verizon Portfolio Management 750 Canyon Drive Coppell, Texas 75019 6. General Plan Designation: Mixed Use Commercial 7. Zoning: CH, Restricted Highway Commercial 8. Description of Project: The Town of Los Gatos proposes to acquire a 1.09-acre parcel (47,613 square feet), located at 15900 Los Gatos Boulevard (Figure 1). The parcel extends between Los Gatos Boulevard and Camellia Terrace, and is located approximately 600 feet north of Blossom Hill Road. The project parcel is developed with an existing 9,238-square-foot, single-story building, paved parking areas east and north of this building, and landscaping along the project boundaries. The preliminary development concept for the proposed police services facility is presented as Figure 2. The interior of the existing building would be remodeled to accommodate police operations, which will include community meeting room, lobby, offices, lockers, evidence storage, fitness room, and holding cells. There are proposed to be two building additions on the southeast side of the building to provide a vehicle sally port and corridor with various equipment rooms (1,557 square feet). The existing building with building additions would result in a total building area of 10,795 square feet. In addition to interior remodeling, the project would also include: (1) expansion of the existing parking lot by addition of a new parking lot in the area immediately east and northeast of the existing building; (2) reconfiguration of the existing parking lot; (3) addition of an emergency generator in the parking lot located east of the building; and (4) addition of air conditioning equipment on the roof and in the basement. The parking lot located east of the existing building would be a secure parking lot (gated) with 46 spaces (46 secure parking spaces for cars and 8 motorcycle spaces). A public parking lot with 7 spaces would be located north of the building. PROJECT LOCATION FIGURE Z NT NI ~I w d V1 Q a A-1 O c Q o v a. O v Ln O fl CUvi0 O 0 m O m N ca c l~ O O J ~ L) O C) U O 0- eoe-J9.L L'!-II-awed 'N4"'.-~ t O y ti u.. LL 1 U) ~ 3 (n to ~ ~ - K C7 C7 ~ i ~ ~ CC) n O) CO ~ n C E m 2 in a _ a€ X41, rn m ins X o wm o r A~ ' j' it Oa- it L I ~ a Gt, o PA18 Soteo Sol .T w a ~ O oa Z C/, W E- n nnn n~nn,- n~ z INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Police operations at the project site would occur seven days, 24 hours per day. On weekdays, there would be three work shifts (6 a.m. to 4 p.m.; 3 p.m. to 1 a.m.; and 9 p.m. to 7 a.m.) with five to seven patrol officers per shift. On weekdays, there would be four additional personnel at this building between 7 a.m. and 5 p.m. and a community service officer between 8 a.m. and 12 p.m. On weekends, there would be two work shifts (7 a.m. to 7 p.m. and 7 p.m. to 7 a.m.) with six officers per shift. The overlap in personnel during shift changes would result in a peak parking demand of 30 parking spaces (13 officer, 14 patrol, and 3 captain/evidence personnel). The project site currently has one driveway on Los Gatos Boulevard and one driveway on Camellia Terrace. There are two additional driveways on Camellia Terrace associated with the contiguous Verizon parcel, and an existing access drive extends along the north side of the Verizon building, connecting this driveway on Camellia Terrace with the project's driveway on Los Gatos Boulevard. The project would maintain both existing driveways at their current locations, but the Los Gatos Boulevard driveway would be widened from approximately 15 feet to 22 feet. 9. Surrounding Land Uses and Setting: The project site is comprised of approximately 1.09 acres (47,613 square feet) located on the east side of Los Gatos Boulevard between Blossom Hill Road and Los Gatos-Almaden Road. The project parcel is developed with an existing 9,238-square-foot, single- story building, paved parking areas east and north of this building, and landscaping along the project boundaries. The project site is bounded on the west by Los Gatos Boulevard, on the east by Camellia Terrace, on the north by single-family residences and a Verizon telephone equipment facility, and on the south by the Rite Aid Drug Store. Two single-family residences located at the west end of Oleander Avenue adjoin the northwestern boundary of the project site. Masonry and wood fencing as well as mature landscape trees are located along the northern project boundary. Landscape trees and a chain link fence extend along the southern project boundary. 10. Other agencies whose approval is required (e.g., permits, financing approval, or participation agreements): None. Environmental Factors Potentially Affected: The environmental factors checked below would be potentially affected by this project, involving at least one impact that is a "Potentially Significant Impact" as indicated by the checklist on the following pages: Aesthetics Agriculture Resources Air Quality X Biological Resources Cultural Resources Geology/Soils Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Mineral Resources X Noise Population/Housing Public Services Recreation X Transportation/Traffic Utilities/Service Systems Mandatory Findings of Signif icance 4 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Determination: (to be Completed by the Lead Agency) On the basis of this initial evaluation: I find that the proposed project COULD NOT have a significant effect on the environment, and a NEGATIVE DECLARATION will be prepared. I find that although the proposed project could have a significant effect on the environment, X there will not be a significant effect in this case because revisions in the project have been made by or agreed to by the project proponent. A MITIGATED NEGATIVE DECLARATION will be prepared. I find that the proposed project MAY have a significant effect on the environment, and an ENVIRONMENTAL IMPACT REPORT is required. I find that the proposed project MAY have a "potentially significant impact" or "potentially significant unless mitigated" impact on the environment, but at least one effect 1) has been adequately analyzed in an earlier document pursuant to applicable legal standards, and 2) has been addressed by mitigation measures based on the earlier analysis as described on attached sheets. An ENVIRONMENTAL IMPACT REPORT is required, but it must analyze only the effects that remain to be addressed. I find that although the proposed project could have a significant effect on the environment, because all potentially significant effects (a) have been analyzed adequately in an earlier EIR or NEGATIVE DECLARATION pursuant to applicable standards, and (b) have been avoided or mitigated pursuant to that earlier EIR or NEGATIVE DECLARATION, including revisions or mitigation measures that are imposed upon the proposed project, nothing further is required. 0 `7 Date MAY, 2007 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Evaluation of Environmental Impacts Issues: Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information SOUCCOS) Significant Mitigation Significant No Impact Incorporated impact Impact 1. Aesthetics - Would the project: a) Have a substantial adverse effect on a scenic vista? X b) Substantially damage scenic resources, including, but not limited to, trees, rock outcroppings, and historic buildings within a state scenic highway? X c) Substantially degrade the existing visual character or quality of the site and its surroundings? X d) Create a new source of substantial light or glare which would adversely affect day or nighttime views in the area? X The existing building on the project parcel is a single-story building. With the proposed project, the exterior of the west side of this building would remain generally unchanged except for possible architectural enhancements and addition of two small air conditioning units on the roof (with visual screening provided as necessary). Landscaping would also remain generally unchanged except for removal of some landscaping south of the existing driveway to accommodate proposed widening of this driveway from approximately 15 feet to 22 feet. Such exterior building modifications would not significantly alter views of the building from Los Gatos Boulevard. The proposed parking lot northeast of the building would be visible from Los Gatos Boulevard, but these views would be obscured by landscaping that is proposed in the area north of the building and west of the parking lot. Proposed building additions and parking lot changes on the east side of the building would not be visible from Los Gatos Boulevard. The east side of the building and parking lot are currently visible from Camellia Terrace. While the proposed building additions, emergency generator, and parking lot reconfiguration could be visible from this street, views of these facilities would be obscured or screened by fencing and proposed landscaping along the eastern project boundary. The project site is located within the plan area for the Los Gatos Boulevard Plan. The Plan provides direction and guidelines for overall development and improvements along Los Gatos Boulevard. In addition to the Plan, the Town has adopted the Los Gatos Boulevard Design Standards, which include specific recommendations for the architectural treatment, organization, and mix of buildings and open space in the Los Gatos Boulevard Plan area. The Los Gatos Boulevard Plan Design Standards emphasize the following: a Location of parking in the rear and location of buildings adjacent to the street (so that buildings, not parking lots, are seen along Los Gatos Boulevard). a Staggering of buildings along the Los Gatos Boulevard frontage to avoid a tunnel effect. Articulation of facades to minimize building mass. ■ Framing rather than blocking scenic views. ■ Designing a development to fit a site's natural conditions. i Provision of landscape elements in parking areas. MAY, 2007 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY ® Location of loading and service areas away from the street. ® Provision of defined pedestrian paths through large parking areas and pedestrian entries from the front as well as the rear sides which face the parking lot. The proposed project would generally conform to the Los Gatos Boulevard Design Standards. Most of the parking lot is located behind the existing building so views from Los Gatos Boulevard are primarily of the building and proposed landscaping would obscure views of the portion of the parking lot located north of the building. Architectural enhancements that may be provided on the building could help articulate the west fagade of this building. Except for two small building additions on the east side of the building, no major changes to the exterior of the building would occur; therefore, no change in distant or views from surrounding areas would be expected. Loading and service areas associated with the proposed use would occur on the east side of the building, away from Los Gatos Boulevard. Walkways would be added on the north side of the building, providing pedestrian access to the building's public entrance from the sidewalk on Los Gatos Boulevard and the public parking lot located along the northern project boundary. The proposed building could add nighttime lighting on the project site and in the parking lot. While lighting changes are not specified in the proposed building concept, specific lighting design would be evaluated as part of the Conditional Use Permit review process. To reduce the potential for disturbance due to nighttime lighting, the project will need to satisfy Town Code Section 29.10.09035, which prohibits the production of direct or reflected glare (such as that produced by floodlight onto any area outside the project boundary). Potentially Significant Potentially Impact Unless Less Than issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact II. Agriculture Resources - Would the project: a) Convert Prime Farmland, Unique Farmland, or Farmland of Statewide Importance (Farmland), as shown on the maps prepared pursuant to the Farmland Mapping and Monitoring Program of the California Resources Agency, X to non-agricultural use? b) Conflict with existing zoning for agricultural use, or a X Williamson Act contract? c) Involve other changes in the existing environment which, due to their location or nature, could result in conversion of X Farmland, to non-agricultural use? The 1.09-acre site is not in agricultural use and has no agricultural potential due to its small size, location, and currently developed condition. Therefore, the project would not adversely affect any existing agricultural resources or operations. Since the properties surrounding the project site are developed with commercial and residential uses, the proposed project would not adversely affect other agricultural properties or result in the conversion of farmland to non-agricultural use. III. Air Quality - Would the project: a) Conflict with or obstruct implementation of the applicable X air quality plan? b) Violate any air quality standard or contribute substantially X to an existing or projected air quality violation? MAY, 2007 7 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact c) Result in a cumulatively considerable net increase of any criteria pollutant for which the project region is non- attainment under an applicable federal or state ambient air X quality standard (including releasing emissions, which exceed quantitative thresholds for ozone precursors)? d) Expose sensitive receptors to substantial pollutant X concentrations? e) Create objectionable odors affecting a substantial number X of people? Since the project would relocate existing police operations from one location in Los Gatos to another location in the same community, there would be no net new air emissions contributions to the air basin associated with project-related traffic. Therefore, the project would be consistent with the Bay Area Air Quality Management District's (BAAQMD) most recently adopted regional air quality plan, the Bay Area 2005 Ozone Strategy (BAGS). The San Francisco Bay Area Air Basin is classified by the BAAQMD as non-attainment for ozone and inhalable particulates (PM,o). Although the proposed building would result in a net traffic increase of 2 trips during the AM peak period and 7 trips during the PM peak period at the project site, these trips are already generated by existing police operations at Town Hall. Therefore, the proposed relocation of police services would not generate new air emissions and would not contribute to regional non-attainment of criteria pollutants. Adjacent residential uses are considered to be sensitive receptors. Proposed grading activities would generate short-term emissions of criteria pollutants, including suspended and inhalable particulate matter and equipment exhaust emissions. The project parcel is 1.09 acre, but project construction would result in surface disturbance of less than one acre. The BAAQMD does not require quantification of construction emissions, but considers any project's construction-related impacts to be less than significant if required dust-control measures are implemented. The Town's standard dust control conditions require implementation of the BAAQMD's standard dust control measures (required on sites of three acres or less), which would mitigate the project's construction-related air quality impacts to a less-than-significant level. IV. Biological Resources - Would the project: a) Have a substantial adverse effect, either directly or through habitat modifications, on any species identified as a candidate, sensitive, or special status species in local or X regional plans, policies, or regulations, or by the California Department of Fish and Game or U.S. Fish and Wildlife Service? b) Have a substantial adverse effect on any riparian habitat or other sensitive natural community identified in local or regional plans, policies, regulations or by the California X Department of Fish and Game or U.S. Fish and Wildlife Service? MAY, 2007 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact c) Have a substantial adverse effect on federally protected wetlands as defined by Section 404 of the Clean Water Act (including, but not limited to, marsh, vernal pool, coastal, X etc.) through direct removal, filling, hydrological interruption, or other means? d) 'interfere substantially with the movement of any native i resident or migratory fish or wildlife species or with established native resident or migratory wildlife corridors, X or impede the use of native wildlife nursery sites? e) Conflict with any local policies or ordinances protecting biological resources, such as a tree preservation policy or X ordinance? f) Conflict with the provisions of an adopted Habitat Conservation Plan, Natural Community Conservation Plan, or other approved local, regional, or state habitat X conservation plan? The project site consists of an existing building, parking lot, access driveway, and landscaped area along Los Gatos Boulevard from previous commercial use of the property. Vegetation on the site consists of landscape trees, shrubs, and groundcover along the western perimeter of the property, and in landscape islands throughout the parking lot in the southeastern part of the site. Trees (primarily American sweetgum) along the southern boundary of the site serve as a screening element for the adjacent commercial properties. The six street trees planted along Los Gatos Boulevard as well as those in the parking lot landscape islands are Raywood ash trees. The habitat value of site vegetation is limited to urban-adapted species. Policy O.P.3.3 of the Open Space Element of the Los Gatos General Plan emphasizes preservation of public and private landscaping along Town streets. The Los Gatos Tree Protection Ordinance states that the preferred tree replacement is two or more trees of a species and size designated by the Director of the Parks and Public Works Department. Tree replacement requirements are based on canopy size, which is defined in Table 3-1 of the Ordinance, Tree Canopy - Replacement Standard. Tree canopy replacement requirements range from two to six 24-inch box size trees or two 36-inch and/or 48-inch box size trees, depending on the canopy size of the tree to be removed. The Town's consulting arborist, Arbor Resources (AR), completed an arboricultural survey for the proposed project in May 2007,' and this study is available for review at the Los Gatos Community Development Department. The AR survey identified a total of 44 trees of eight various species that could be affected by the proposed project. Of these 44 trees, eight are within the public right-of-way and two are sufficiently close on properties adjoining the site as to be vulnerable to potential damage during development [Section 29.10.0995(B) of the Town's Municipal Code]. The 44 trees listed in the inventory include 43 Protected Trees (trees with a trunk diameter of four inches or greater); Tree #32 is comprised of 13 small privets situated along the neighboring southern building and is in a row of other smaller privets that constitute non-Ordinance sized trees. Of the 44 trees on the site, the proposed parking lot configuration would subject the following ten trees to removal: #21- 28, 30 and 31. Except for #30, all are Raywood ash that have either died or can be expected MAY, 2007 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY to die in the near future. Tree #30 is a camphor tree that contains significant branch dieback throughout its canopy. Based on this information, AR concludes that the loss of these ten trees would be insignificant and the project would comply with the Town's Ordinance. The proposed building design would require the removal of Tree #1. This is a 10.5-inch diameter southern magnolia that appears in overall good condition. However, recent damage to the bark has occurred during demolition work and, consequently, AR advises against the relocation of this tree. Rather, replacement trees should be planted to mitigate its loss. Replacement trees to mitigate the loss of trees removed, shall, pursuant to Section 29.10.0985 of the Town Code, be determined by the Parks and Public Works Department. Trees #17 and 29 would sustain root damage with implementation of the driveway and parking lot reconfiguration. Provided the work is performed according to AR recommendations (see Attachment 1), the potential impacts would be reduced to less than significant. The Town will implement the following measures to reduce impacts on trees to be retained and adequately replace trees to be removed: All of the 26 recommendations made by Arbor Resources (May 4, 2007) will be implemented to eliminate or minimize the construction-related impacts on the trees to be retained. Recommendations are listed under Section 5.0, Recommendations, of the arborist's report. These include nine recommendations under the Design Guidelines section addressing tree location mapping, protective fencing, building setback, trenching, drainage facilities, and irrigation plans. The report also provides 17 recommendations for Protection Measures before and during construction, encompassing fencing, removal of hardscape, demolition, work within tree canopies, etc. The report's recommendations are included as Attachment 1. Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact V. Cultural Resources - Would the project: a) Cause a substantial adverse change in the significance of a historical resource as defined in 15064.5? X b) Cause a substantial adverse change in the significance of an archaeological resource pursuant to 15064.5? X c) Directly or indirectly destroy a unique paleontological X resource or site or unique geologic feature? d) Disturb any human remains, including those interred outside of formal cemeteries? X Project implementation would involve minor surface disturbance to accommodate the two building additions (1,557 square feet) and parking lot expansion/reconfiguration. Since no major excavation would be required and the site is located away from Los Gatos Creek, the potential for encountering cultural resources would be very low. The existing building is not historic (constructed in 1965) and therefore, the project would have no impact on any historic resources. MAY, 2007 10 INITIAL STUDY - LOS GATOS-MONTE SERF-NO POLICE SERVICES FACILITY Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Im act Incorporated Impact Impact VI. Geology and Soils - Would the project expose people or structures to potential substantial adverse effects, including the risk of loss, injury, or death involving: a) Rupture of a known earthquake fault, as delineated on the most recent Alquist-Priolo Earthquake Fault Zoning Map issued by the State Geologist for the area or based on other X substantial evidence of a known fault? Refer to Division of Mines and Geology Special Publication 42. b) Strong seismic ground shaking? X c) Seismic-related ground failure, including liquefaction? X d) Landslides? X e) Result in substantial soil erosion or the loss of topsoil? X f) Be located on a geologic unit or soil that is unstable, or that would become unstable as a result of the project, and X potentially result in on- or off-site landslide, lateral spreading, subsidence, liquefaction or collapse? g) Be located on expansive soil, as defined in Table 18-1-B of the Uniform Building Code (1994), creating substantial X risks to life or property? h) Have soils incapable of adequately supporting the use of septic tanks or alternative waste water disposal systems X where sewers are not available for the disposal of waste water? A review of the Town's hazards mapsz indicates that the project site has a moderate shrink-swell potential, very low potential for liquefaction, moderate potential for fault rupture, and moderate potential for seismic shaking. Due to the site's relatively level topography, no erosion, slope stability, or debris flow hazards were identified for the site. The Town's Fault Map indicates that there are no known faults traversing the site. However, lineation indicative of a potential fault zone is located approximately 400 feet to the northwest of the project site.' At a minimum, the existing building would be expected to be subject to strong groundshaking during its design life. However, it should be noted that most of the Bay Area as well as surrounding development are subject to groundshaking hazards. In order to assess the structural adequacy of the existing building for earthquake and gravity loads and use as a police substation, the Town retained Hohbach-Lewin, Inc. (HL), a structural engineering consultant, to evaluate the structural condition of the building. The HL report indicates that the existing 1965 structure is a cast-in-place concrete shear wall building with concrete roof slab supported on steel wide flange beams. The roof slab appears to have been intended as a future second floor. The HL report states that the roof and walls of the main structure form a concrete box that provides a large amount of resistance to seismic loads. However, the rear wing of the building is constructed of metal deck with metal stud walls on two sides. Consequently, the rear wing of the building is more flexible than the main structure and could experience some structural damage in a moderate to large earthquake. The HL report concludes that the existing structure would be appropriate for its proposed use as a police substation, and with some minor seismic retrofits would provide good seismic MAY, 2007 11 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY safety in the event of a moderate to large earthquake. Since the Town proposes to implement all seismic retrofit recommendations of the HL report, any potentially significant seismic impacts would be reduced to a less-than-significant level. The Town will prepare a soil engineering report to address any soil engineering constraints in the areas proposed for new development. This report will be prepared during the building permit process. Proposed implementation of recommendations made in this report will reduce any potential soil engineering constraints to a less-than-significant level. Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact VII. Hazards and Hazardous Materials - Would the project: a) Create a significant hazard to the public or the environment through the routine transport, use, or disposal of hazardous X materials? b) Create a significant hazard to the public or the environment through reasonably foreseeable upset and accident X conditions involving the release of hazardous materials into the environment? c) Emit hazardous emissions or handle hazardous or acutely hazardous materials, substances, or waste within one- X quarter mile of an existing or proposed school? d) Be located on a site which is included on a list of hazardous materials sites compiled pursuant to Government X Code Section 65962.5 and, as a result, would it create a significant hazard to the public or the environment? e) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project X result in a safety hazard for people residing or working in the project area? f) For a project within the vicinity of a private airstrip, would the project result in a safety hazard for people residing or X working in the project area? g) Impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation X plan? h) Expose people or structures to a significant risk of loss, injury or death involving wildland fires, including where X wildlands are adjacent to urbanized areas or where residences are intermixed with wildlands? A Phase One Environmental Site Assessment (ESA) was prepared for the project site by ENGEO, Inc. in April 20074 and this study is available for review at the Los Gatos Community Development Department. The ESA included a review of local, state, tribal, and federal environmental records, standard historical MAY, 2007 12 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY sources, aerial photographs, fire insurance maps, and physical setting sources, as well as a site reconnaissance. The ESA indicates that the project site was an orchard before being developed in 1957. The ESA did not find documentation or physical evidence of soil or groundwater impairments associated with the current or past use of the project site. A review of regulatory databases found no documentation of hazardous materials violations or discharges on the project site or within the appropriate search distances that would reasonably be expected to affect the project site. Therefore, the potential for encountering hazardous materials during project construction would be low. There was a 4,000-gallon diesel underground storage tank (UST) on the adjacent Verizon property to the northeast, and this tank was removed in 1993. No contamination was detected beneath the tank, but contamination was detected where a small diesel spill occurred from the dispensing piping during tank and piping removal. The contaminated soils were removed and the case was closed by the Santa Clara Valley Water District in 1995. Subsequently, a new diesel UST was installed just east of the removed dispensing pipe trench to store diesel for a backup generator associated with the Verizon facility. In 2004, a 4,000-gallon diesel tank UST, also on the Verizon property, was removed. No contamination was detected beneath the tank. A Tank Closure Report was submitted by Verizon to the Santa Clara Fire Protection District, but the District is unable to locate the closure letter.' However, soil samples done by the Town of Los Gatos and Verizon did not report any constituents above laboratory detection limits.' The proposed project would include installation of an emergency generator, which would include a diesel fuel storage tank, to keep the facility operating during power outages. Safe use of diesel would be addressed through preparation and implementation of the legally-required hazardous materials business plan (in accordance with community right-to-know laws) and compliance with the Aboveground Petroleum Storage Act. Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact VIII. Hydrology and Water Quality - Would the project: a) Violate any water quality standards or waste discharge X requirements? b) Substan tially deplete groundwater supplies or interfere substantially with groundwater recharge such that there would be a net deficit in aquifer volume or a lowering of the local groundwater table level (e.g., the production rate X of pre-existing nearby wells would drop to a level which would not support existing land uses or planned uses for which permits have been granted)? c) Substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of a X stream or river, in a manner which would result in substantial erosion or siltation on- or off-site? d) Substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of a stream or river, or substantially increase the rate or amount X of surface runoff in a manner, which would result in flooding on- or off-site? MAY, 2007 13 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact e) Create or contribute runoff water which would exceed the capacity of existing or planned stormwater drainage X systems or provide substantial additional sources of polluted runoff? f) Otherwise substantially degrade water quality? X g) Place housing within a 100-year flood hazard area as mapped on a federal Flood Hazard Boundary or Flood X Insurance Rate Map or other flood hazard delineation map? h) Place within a 100-year flood hazard area structures, which X would impede or redirect flood flows? i) Expose people or structures to a significant risk of loss, injury or death involving flooding, including flooding as a X result of the failure of a levee or dam? j) Inundation by seiche, tsunami., or mudflow? X According to the Los Gatos General Plan, the project site is located outside mapped 100-year flood hazard areas. Approximately 79.5 percent (or 37,750 square feet) of the 1.09-acre project parcel is covered with the impervious surfaces of the site's building, asphalt parking lot, and driveway. Project development would result in replacement or reconfiguration of impervious surfaces associated with proposed driveways, parking, sidewalks, and building area. There would be no net increase in impervious surfaces on the project site as a result of the project. Presently, storm runoff flows on the project site discharge as sheet flow to Camellia Terrace, east of the property. Camellia Terrace in the project vicinity drains to Lilac Way, and Lilac drains eastward to Cherry Blossom Lane. Neither Camellia Terrace nor Lilac Way has storm drain facilities. Storm drain facilities in Cherry Blossom Lane collect runoff from Lilac Way and convey flows to Ross Creek via facilities in Blossom Hill Road. Since the proposed project would result in a slight reduction of total impervious surfaces through additional landscape area on the site, storm runoff volumes from the project site would be reduced and this would be a beneficial impact of the project. New, more stringent water quality regulations of the Clean Water Act have recently been triggered because the NPDES (National Pollution Discharge Elimination System) permit program has failed to protect beneficial uses of Santa Clara County's creeks and the South San Francisco Bay, as evidenced by such observations as violations of ambient water quality criteria, high concentrations of toxic substances, and fish consumption health advisories. These new regulations require that all discharges shall comply with Provision C.3, New and Redevelopment Performance Standards of Order No. 01-024 of the NPDES permit program. The project site is located within the Los Gatos Creek watershed and runoff from the site ultimately discharges into Los Gatos Creek (west of the site) and eventually into the Bay. Los Gatos Creek is on the Clean Water Act Section 303(d) List of Water Quality Limited Segments due to the presence of diazinon, a pesticide, and its primary source is identified as urban runoff and storm drains. Best Management Practices (BMPs) outlined by the Santa Clara Valley Urban Runoff Pollution Prevention Program MAY, 2007 14 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY (SCVURPPP) for treatment control of pesticides are bioretention, infiltration, and media filter with adsorption/absorption as the removal process. During project operation, surface runoff from the site would be expected to carry typical urban pollutants generated by parking lots, building surfaces, and landscape areas. As a condition of project approval, the Town will prepare and implement interim and final erosion control plans as well as non-point source pollution prevention measures such as installation of filtration devices or use of bio-swales. Implementation of such measures would reduce potential water quality impacts to a less-than-significant level. The proposed project would involve removal and replacement of less than 10,000 square feet of impervious surfaces and thus would not be subject to C.3 requirements. Since the area of disturbance would involve less than one acre, a Storm Water Pollution Prevention Plan (SWPPP) would not be required. Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact IX. Land Use and Planning - Would the project: a) Physically divide an established community? X b) Conflict with any applicable land use plan, policy, or regulation of an agency with jurisdiction over the project (including, but not limited to the general plan, specific plan, local coastal program, or zoning ordinance) adopted X for the purpose of avoiding or mitigating an environmental effect? c) Conflict with any applicable habitat conservation plan or X natural community conservation plan? The site is currently developed with an existing commercial building, paved parking lot, driveway, and landscaping. The project parcel is currently designated by the existing General Plan as "CH, Mixed Use Commercial," while the site is zoned "CH, Restricted Highway Commercial." The CH General Plan designation allows for "a mixture of retail, office, residential in a mixed use setting, along with lodging, service, auto related businesses, non-manufacturing industrial uses, recreational uses and restaurants." The CH zone allows retailing, office, service business, and limited manufacturing uses. The Town proposes to use the project site as a police substation under a conditional use permit for a public building providing community services. Section 29.20.180, Conditional Use Permits, of the Los Gatos Town Code Zoning Regulations states: "there are uses which can be specified for each zone which, in practically all instances, will be mutually compatible. In addition, there are other uses which might be compatible with ordinarily allowed uses if properly located and regulated. These are called conditional uses. They are listed in Section 29.20.185." Section 29.20.185 presents a table of conditional uses for all zones identified by the Town's zoning regulations. Under Item (2)a of the Table, Community Services, a public building for police services is listed as a conditionally permitted use in all zones but one, RMH (Mobile Home Residential). MAY, 2007 15 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Consequently, the proposed police substation would be a conditionally permitted use under the project site's existing zoning district of CH. The project vicinity is comprised of a mix of commercial, office, and residential uses. Adjacent parcels to the south of the project site and to the west across and also fronting on Los Gatos Boulevard are currently in commercial use; residential development adjoins the project site to the north and east. The existing police services use would be consistent with this mix of uses (as defined by the Zoning Ordinance), particularly with the adjacent commercial buildings to the south and west. In 1997, the Town completed the Los Gatos Boulevard Plan, which presents the Town's vision for the development of the Los Gatos Boulevard corridor. The Plan provides land use goals and guidelines for the Los Gatos Boulevard Plan area, which includes the project site. While the Plan does not include specific direction for land use at the project site, the project proposes to support the Plan's identified land use goals through: 1) the provision of a dependable source of income, employment, goods, and services, and 2) encourage a mixture of uses along Los Gatos Boulevard that are compatible with surrounding uses. The proposed police substation would be consistent with existing commercial uses adjoining the site to the south and west. The project attempts to minimize adverse impacts on the adjacent residential uses to the north through a design that retains the existing configuration of access and parking for the proposed use. While Policy IV.D.6 of the Los Gatos Boulevard Plan applies to new development, the proposed project attempts to comply with policy through the maintenance of existing access and parking facilities. Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Inco orated Impact Impact X. Mineral Resources - Would the project: a) Result in the loss of availability of a known mineral resource that would be of value to the region and the X residents of the state? b) Result in the loss of availability of a locally-important mineral resource recovery site delineated on a local general X plan, specific plan or other land use plan? The Los Gatos General Plan does not identify any regionally or locally-important mineral resources on the project site or in its vicinity. XI. Noise - Would the project result in: a) Exposure of persons to or generation of noise levels in excess of standards established in the local general plan or X noise ordinance, or applicable standards of other agencies? b) Exposure of persons to or generation of excessive X groundbome vibration or groundbome noise levels? c) A substantial permanent increase in ambient noise levels in the project vicinity above levels existing without the X project? d) A substantial temporary or periodic increase in ambient noise levels in the project vicinity above levels existing X without the project? MAY, 2007 16 INITIAL STUDY - LOS GATOS-MONfE SERENO POLICE SERVICES FACILITY ssues (and Supporting Information Sources) Potentially Significant Impact Potentially Significant Impact Unless Mitigation Incorporated Less Than Significant Impact o Impact e) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project X expose people residing or working in the project area to excessive noise levels? f) For a project within the vicinity of a private airstrip, would the project expose people residing or working in the project X area to excessive noise levels? Project Construction. Project construction would result in temporary short-term noise increases due to the operation of heavy equipment. Construction noise sources range from about 76 to 85 dBA at 50 feet for most types of construction equipment with slightly higher levels of about 88 to 91 dBA at 50 feet for certain types of earthmoving and impact equipment. If noise controls are installed on construction equipment, the noise levels could be reduced by 1 to 16 dBA, depending on the type of equipment. The potential for construction-related noise increases to adversely affect nearby residential receptors would depend on the location and proximity of construction activities to these receptors. The Town Noise Ordinance (Chapter 16) restricts construction activities to the hours of 8:00 a.m. to 8:00 p.m. on weekdays and 9:00 a.m. to 7:00 p.m. on weekends and holidays. This ordinance also limits noise generation to 85 dBA at the property line or 85 dBA at 25 feet. Since the project involves mostly interior remodeling of the existing building on the site, exterior construction activities would be limited to the two new building additions on the southeast portion of the building, installation of an emergency generator and roof-top air conditioning units, possible exterior architectural enhancements, parking lot/driveway improvements, and landscape replacement. Such limited exterior construction activities would be short in duration in the portions of the project site closest to adjacent residences to the north and east. Therefore, it is expected that construction noise impacts on adjacent residences could be maintained at less-than- significant levels with proper implementation of Town Noise Ordinance restrictions. Project Operation. A detailed noise study was prepared by Edward L. Pack Associates, Inc. (EPA) in May 2007, and this report is included as Attachment 2. As part of this study, noise measurements were taken at the existing northern and eastern property boundaries. Noise measurements indicate that existing average ambient noise levels adjacent to Oleander Avenue residences to the north (190 feet from the Los Gatos Boulevard centerline) range between 42 and 60 dBA. Noise levels at Camellia Terrace residences to the east (at Lilac Way) range between 51 and 69 dBA. The EPA study estimated potential noise increases associated with proposed police operations based on measurements taken at the existing police station of: police and public car doors closing, engines starting, engines idling; operation of walkie talkies; loud detainee; shotgun racking; and police dog barking. Maximum instantaneous noise levels for each of these noise events ranged from 55 to 90 dBA at distances ranging between four and 25 feet (see Table II of Attachment 2 for more detail). When these measured noise levels are adjusted for the estimated distance between these sources and the property boundaries, estimated maximum noise levels from these sources range from 27 to 69 dBA at the northern property boundary and 27 and 66 dBA at the eastern property boundary. In addition, noise levels were estimated for the types and sizes of emergency generator and air conditioning units that are expected to be used at the site. Adjusting for distance, the emergency generator is estimated to generate noise levels of 53 dBA to 48 dBA at the closest residences to the north and east . Proposed rooftop air conditioners are MAY, 2007 17 INITIAL STUDY - LOS GATOS MONTE SERENO POLICE SERVICES FACILITY estimated to generate noise levels of 36 dBA at the nearest residences to the north and 27 dBA at the nearest residences to the east. When the Los Gatos Noise Ordinance noise limits are applied to the project site, the ordinance noise limits range between 54 and 70 dBA depending on the time of day and day of the week. The noise source significance criterion applied in this analysis is the most restrictive, nighttime limit of 54 dBA because the proposed police operations facility would operate 24 hours per day, seven days per week. When the project's estimated noise levels are compared to the noise ordinance limits, maximum noise levels associated with most police activities (including the emergency generator and air conditioning units) would not exceed ordinance limits except when car doors close or police dogs bark at night (10 p.m. to 6 a.m.). Maximum noise levels associated with these activities could exceed the ordinance limit by 1 to 8 dBA from cars parking in the northern public parking lot (adjacent to the northern project boundary) and 15 dBA if the canine unit dog barks in the secure parking spaces closest to the northern project boundary or Camellia Terrace. Residences on Oleander Avenue that would be affected by such noise are those with rear yards located within 45 feet of the public parking area. The Town will implement the following measures to achieve compliance with 54-dBA nighttime limit of the Los Gatos Noise Ordinance and reduce the project's noise impacts to a less-than-significant level: The canine unit dogs will be loaded and unloaded at the staff entry area adjacent to the proposed sally port. The dogs will be instructed to refrain from barking while on the site. 3. Any potentially unruly detainees will be loaded and unloaded within the proposed sally port. 4. One of the following two alternatives will be implemented to reduce noise levels along the northern project boundary: a. An 11 foot high acoustically-effective barrier will be constructed along the northern property boundary (contiguous to Oleander Avenue residences). To control flanking noise, this barrier will be continued along the easterly boundary for a distance of 15 feet and at a height of 8 feet. The barrier height is in reference to the nearest parking space ground elevation. Barrier location and height is shown on Figure 1 of Attachment 2. b. Parking will not be allowed within 50 feet of the northern property boundary between 1Op. m. and 6 a.m. 5. Both of the following measures will be implemented to reduce noise levels along the eastern property boundary, adjacent to Camellia Terrace: a. A solid gate will be constructed across the driveway on Camellia Terrace. The gate may be a motor-driven rolling type, constructed of wood to match the associated fencing. b. The Camellia Terrace driveway will be used for emergency (answering calls) only. The Los Gatos Noise Element also specifies a noise limit of 55 dBA DNL' for residential uses. Based on noise measurements taken at the northern and eastern project boundaries, the 24-hour, time-weighted DNL noise level was calculated to be 57 to 58 dBA DNL. Noise levels at Camellia Terrace residences to the east (at Lilac Way) range between 51 and 69 dBA (Leq) and the 24-hour, time-weighted noise level was calculated to be 64 dBA DNL. When the above project-related individual noise events are accounted for over a 24-hour period (based on the proposed personnel levels, shift changes, etc.), the proposed police services facility is estimated to generate noise levels of approximately 44 dBA DNL at the northern property boundary and 49 dBA DNL at the eastern property boundary. Since both estimated noise levels would be substantially less than existing noise levels in both areas, project-related noise would not add to MAY, 2007 18 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY the existing noise environment. Project-related noise levels also would be within the 55-dBA DNL noise limit specified in the Los Gatos Noise Element. Project implementation could result in occasional use of sirens in the project vicinity when patrol cars respond to emergency calls. At the police department's current location at Town Hall, sirens only need to be used leaving Town Hall a few times per month. With the proposed facility, responses to most calls would made by officers that are already out on patrol in the community. If a response to a call is made from the proposed facility, patrol cars would primarily exit via Los Gatos Boulevard. Vehicles that must exit via Camellia Terrace would use lights until they reach a major street to the extent feasible, unless sirens need to be used to ensure public safety. Therefore, use of sirens in the vicinity of the proposed facility is expected to occur only occasionally and only in emergency situations. Such occasional use of sirens would not significantly increase existing ambient noise levels, but would likely be audible at any adjacent residences. Sirens are exempt from the Los Gatos Noise Ordinance. The Town will implement the following measure to minimize potential noise disturbance at adjacent or nearby residences: 6. Use of sirens will be limited in the adjacent residential neighborhood, particularly at night, unless absolutely necessary for public safety. Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact XII. Population and Housing - Would the project: a) Induce substantial population growth in an area, either directly (for example, by proposing new homes and businesses) or indirectly (for example, through extension of X roads or other infrastructure)? b) Displace substantial numbers of existing housing, necessitating the construction of replacement housing X elsewhere? c) Displace substantial numbers of people, necessitating the construction of replacement housing elsewhere? The proposed project would not result in an increase in local population. The proposed police services would occupy an existing building located on the project site. The project would not be considered growth-inducing, since the project would involve redevelopment of an existing developed parcel and the project would not extend roads or infrastructure to any adjacent properties. XIII. Public Services - a) Would the project result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, need for new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service ratios, response times or other performance objectives for any of the public services: Fire protection? X Police protection? X Schools? X MAY. 2007 19 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact Parks? X Other public facilities? X Services are already provided to the project site as well as to adjacent commercial and residential uses. No significant increase in demand on public services are expected to be required for the proposed building since services are already provided to the existing structure on the site. Project implementation would improve police services by providing needed space for current police operations and holding cells that meet state code. Existing police operations currently have approximately 5,275 square feet of space at Town Hall, which was built in 1964 when the Town had a population of 9,000. Based on the current population in the Town of approximately 30,000 and the range of services provided by the police department, studies have shown that police operations require approximately 20,000 square feet. Currently the police dispatch operators are in a multi-purpose location with many distractions. There are no separate interview rooms for victims and suspects, or separate restrooms for victims, suspects, or staff. Suspect holding facilities are not in compliance with State Department of Corrections or Fire Code standards, and there is no secure space to store ammunition or evidence. Parking is inadequate for police vehicles, employees, and visitors. The proposed project will be subject to formal plan review by the Santa Clara County Fire Department as part of the Conditional Use Permit review process. XIV. Recreation - a) Would the project increase the use of existing neighborhood and regional parks or other recreational X facilities such that substantial physical deterioration of the facility would occur or be accelerated? b) Does the project include recreational facilities or require the construction or expansion of recreational facilities, X which might have an adverse physical effect on the environment? The proposed project would not add new population to the area, and therefore would not increase the demand for recreational services. XV. Transportation/Traffic - Would the project: a) Cause an increase in traffic, which is substantial in relation to the existing traffic load and capacity of the street system (i.e., result in a substantial increase in either the number of X vehicle trips, the volume to capacity ratio on roads, or congestion at intersections)? b) Exceed, either individually or cumulatively, a level of service standard established by the county congestion X management agency for designated roads or highways? c) Result in a change in air traffic patterns, including either an increase in traffic levels or a change in location that results X in substantial safety risks? MAY, 2007 20 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact d) Substantially increase hazards due to a design feature (e.g., sharp curves or dangerous intersections) or incompatible X uses (e.g., farm equipment)? e) Result in inadequate emergency access? X f) Result in inadequate parking capacity? X g) Conflict with adopted policies, plans, or programs supporting alternative transportation (e.g., bus turnouts, X bicycle racks)? A detailed traffic study was completed by Kimley-Horn and Associates, Inc. (KHA) in May 2007 and this report is included as Attachment 3 (report appendices are available for review at the Town Community Development Department). Trip Generation. The Town's Traffic Impact Policy (Resolution 1991-174) requires preparation of a detailed traffic study for any project with the potential to generate 20 or more additional AM or PM peak hour trips. The KHA study estimated the project's trip generation on weekdays and weekends and compared them to trip generation levels that could be expected from either a general office building or retail shopping center. On weekdays, the proposed police services facility would generate 15 trips during the AM peak period and 20 trips during the PM peak period. When compared to an office building, the project would generate 2 more trips during the AM peak period and 7 more trips during the PM peak period. When compared to a shopping center, the project would be generate 6 more trips during the AM peak period and 12 fewer trips during the PM peak period. On weekends, the project would generate 10 trips during the Saturday peak period and 22 trips during off- peak periods. When compared to an office building, the project would generate 6 more trips during the Saturday peak period. When compared to a shopping center, the project would be generate 34 fewer trips during the Saturday peak period. Intersection Service Level Operation. The KHA study evaluated the project's impact on the two adjacent signalized Los Gatos Boulevard intersections at Blossom Hill Road and Chirco Drive. KHA determined that project-related traffic increases would add the equivalent of approximately 0.1 second of average delay at both intersections on weekdays. Therefore, the project would have a less-than-significant impact on surrounding roadway traffic conditions. On weekends, project-related traffic increases on Los Gatos Boulevard would be the equivalent of less than 0.1 percent of current traffic levels on this road (approximately 25,000 daily vehicles), which is considered less than significant. Project Access. There are currently two access driveways to the site: one on Los Gatos Boulevard and one on Camellia Terrace. The project would maintain the existing driveway on Los Gatos Boulevard at its current location but it would be widened from approximately 15 feet to 22 feet. The project would maintain the project driveway on Camellia Terrace at approximately the same location, although some minor modifications may be required. The driveway on Los Gatos Boulevard would serve as the primary access for the site, and would be used by personal vehicles of police department staff, patrol vehicles, public citizen vehicles, and others accessing the site. The site also proposes to install a secure gate on the Camellia Terrace driveway and it is the intention of the Police Department to primarily use the Los Gatos MAY, 2007 21 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Boulevard driveway, the Camellia Terrace driveway access would only be utilized for emergency or special circumstances. The access driveway on Los Gatos Boulevard currently operates as a right-turn entry and right-turn exit only location because there is a landscaped concrete median that prohibits left-turning vehicles from entering or leaving the Los Gatos Boulevard driveway. Although no change in access is currently proposed at this driveway, the police department is considering the possibility of creating a cut in the existing median opposite the project driveway and signing this opening to allow use by emergency vehicles only. KHA evaluated this possibility and determined that the northbound left-turn bay at the Frank Avenue/Los Gatos Boulevard intersection may need to be modified to accommodate this median cut. It should be noted that there are currently other site access options. Vehicles that exit the site using the Los Gatos Boulevard driveway and wish to travel south may use the Frank Avenue northbound left-turn bay and make a U-turn at the intersection to travel southbound. In addition, vehicles that enter the site from the north may travel slightly past the driveway location and make a U-turn at a southbound left turn at Placer Oaks Road. These turnaround locations may not be preferred but they do allow for relatively convenient and legal access (southern U-turn is approximately 500 feet away and northern U-turn is approximately 150 feet away) with no modifications to the existing roadway geometries. Although these access conditions may not be ideal for emergency situations, patrol vehicles should be able to activate their emergency flashers and enter the traffic flow in a timely manner to make these turning movements. KHA recommends that the Police Department review the frequency of their need for emergency access to determine the best alternative for an access modification at this location. The need for a dedicated entry and exit to the proposed police services facility and potential design alternatives will be considered during the Conditional Use Permit review process. Since police vehicles would be entering and leaving site driveways to respond to emergency calls, adequate sight distance and driveway access should be maintained to minimize ensure timely response of police officers. The following measures will be implemented to maintain access and minimize safety hazards: 7. At least one vehicle on-street parking space will be removed on the south side of each driveway to increase sight distance for vehicles entering and exiting the access locations on Los Gatos Boulevard and Camellia Terrace. A parking space of at least 25 feet will be removed immediately adjacent to the intersection and the curb painted red to prohibit parking. 8. A "KEEP CLEAR" legend and stop line will be installed on Los Gatos Boulevard and Camellia Terrace at the project driveway locations to help prevent vehicles from blocking the intersection during peak traffic periods or other congested conditions. Parking. The proposed site plan indicates 46 parking spaces are proposed for Police Department staff (including one handicap accessible space), eight parking spaces are proposed for utility vehicles and motorcycle parking, and seven public parking spaces (including one handicap accessible parking space). The 46 vehicle spaces and eight motorcycle spaces are located within a secured parking area that is accessed via the parking lot located near Los Gatos Boulevard as well as the rear entrance to the property from Camellia Terrace. A preliminary evaluation of the changing parking demand throughout the day shows that the available parking spaces in the secured parking area should be sufficient to meet the needs of the police department. Although the seven public parking spaces is relatively limited, Town staff have indicated that the proposed police services facility is not intended to be a the primary location for the public to do business with the Police Department. Therefore, the seven proposed parking spaces are expected to adequately meet the demand for public parking at the project site. MAY, 2007 22 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Pedestrian and Bicycle Access. In general, no pedestrian or bicycle access issues were identified with the site or its frontage with Los Gatos Boulevard and Camellia Terrace. The Police Department may consider the installation of a bike rack for its staff who may wish to ride their bike to work. Since the proposed police services facility is not intended to serve as a primary location for interacting with public citizens it may not be necessary to provide bike parking for the public. However, if a bike rack is provided for Police Department staff and it is located near the front entrance to the facility it could accessible to public citizens as well, but typically it is recommended that these bike racks be located in the most secure areas to prevent vandalism or theft. Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact XVI. Utilities and Service Systems - Would the project: a) Exceed wastewater treatment requirements of the X applicable Regional Water Quality Control Board? b) Require or result in the construction of new water or wastewater treatment facilities or expansion of existing X facilities, the construction of which could cause significant environmental effects? c) Require or result in the construction of new storm water drainage facilities or expansion of existing facilities, the X construction of which could cause significant environmental effects? d) Have sufficient water supplies available to serve the project from existing entitlements and resources, or are X new or expanded entitlements needed? e) Result in a determination by the wastewater treatment provider, which serves or may serve the project that it has X adequate capacity to serve the projects projected demand in addition to the providers existing commitments? f) Be served by a landfill with sufficient permitted capacity to X accommodate the projects solid waste disposal needs? g) Comply with federal, state, and local statutes and X regulations related to solid waste? Utilities are currently developed on the project site and within the existing building. The proposed project will be subject to formal plan review by the Fire Department (including adequacy of fire flows, emergency access, etc.) as part of the Conditional Use Permit review process. Other utilities (sewer, water, electrical, gas, and telephone facilities) will be upgraded as necessary. MAY, 2007 23 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY Potentially Significant Potentially Impact Unless Less Than Issues (and Supporting Information Sources) Significant Mitigation Significant No Impact Incorporated Impact Impact XVII. Mandatory Findings of Significance - a) Does the project have the potential to degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, reduce the number or x restrict the range of a rare or endangered plant or animal or eliminate important examples of the major periods of California history or prehistory? b) Does the project have impacts that are individually limited, but cumulatively considerable? ("Cumulatively considerable" means that the incremental effects of a x project are considerable when viewed in connection with the effects of past projects, the effects of other current projects, and the effects of probable future projects)? c) Does the project have environmental effects which will cause substantial adverse effects on human beings, either x directly or indirectly? MAY, 2007 24 INITIAL STUDY - LOS GATOS-MONTE SERENO POLICE SERVICES FACILITY LIST OF SUPPORTING INFORMATION SOURCES (Indicated as endnotes under specific issues of Initial Study) ' Arbor Resources, 2007. A Tree Inventory and Review of the Proposed Site Improvements at 15900 Los Gatos Boulevard, Los Gatos, California. May 4. z Nolan Associates, 1999. Draft Erosion Potential Map, Shrink-Swell Potential of Soils, Slope Stability Hazard Map, Debris Flow Hazard Map, Liquefaction Hazard Zones Map, Seismic Shaking Hazards Map, Geologic Map, Fault Rupture Hazard Zones Map for the Town of Los Gatos General Plan Update. January 17. 3 Nolan Associates, 1999. Draft Fault, Lineament & Coseismic Deformation Map for the Town of Los Gatos General Plan Update. January 17. 4 ENGEO, Inc., 2007. Phase One Environmental Site Assessment, 15900 Los Gatos Boulevard, Los Gatos, California. April 27. ' ATC Associates, Inc., 2007. Phase I Environmental Site Assessment, Verizon California Inc., 15900 Los Gatos Boulevard, Los Gatos, California 95032 (GLC CA09201 B). April 17. 6 ENGEO, Inc., 2007. Phase One Environmental Site Assessment, 15900 Los Gatos Boulevard, Los Gatos, California. April 27. ' The DNL (Day-Night Level) rating is determined by the cumulative noise exposures occurring over a 24-hour day in terms of A-weighted sound energy. The 24-hour day is divided into two sub-periods for the DNL index (daytime: 7 a.m. to 10 p.m.; nighttime: 10 p.m. to 7 a.m.). A 10-dBA weighting factor is applied (added) to the noise levels occurring during the nighttime period to account for the greater sensitivity of people to noise during these hours. NIAY, 2007 25 ATTACHMENT 1 ARBOR RESOURCES RECOMMENDATIONS FOR 15900 LOS GATOS BOULEVARD LOS GATOS, CALIFORNIA MAY 4, 2007 ARBOR RESOURCES Professional Arboricultural Consulting & Tree Care A TREE INVENTORY AND REVIEW OF THE PROPOSED SITE IMPROVEMENTS AT 15900 LOS GATOS BOULEVARD LOS GATOS, CALIFORNIA Submitted to: Curtis Banks Community Development Department Town of Los Gatos 110 East Main Street Los Gatos, CA 95031 Prepared by: David L. Babby, RCA ASCA Registered Consulting Arborist #399 ISA Certified Arborist #WE-4001A May 4, 2007 P.O. Box 25295, San Mateo, California 94402 • Email: arborresources@comcast.net Phone: 650.654.3351 Fax: 650.240.0777 0 Licensed Contractor #796763 David L. Babbv, Registered Consulting Arborist May 4, 2007 4.0 REVIEW OF ANTICIPATED TREE IMPACTS The proposed parking lot configuration subjects the following ten trees to removal: #21- 28, 30 and 31. Except for #30, all are Raywood ash that have either died or can be expected to die in the near future. Tree #30 is a camphor tree that contains significant branch dieback throughout its canopy. Based on this information, I find their loss will be insignificant and strongly complies with the Town's Ordinance. Tree #1 requires removal to achieve the proposed building design. This is a 10.5-inch diameter southern magnolia that appears in overall good condition. However, recent damage to the bark has occurred during the demolition work, and consequently, I do not advise this tree be regarded as suitable enough to relocate. Rather, replacement trees should be installed to mitigate its loss. By implementation of the driveway and parking lot reconfiguration, trees #17 and 29 will sustain root damage. Provided the work is performed according to recommendations presented in the next section, I expect the impacts will be insignificant. 5.0 RECOMMENDATIONS The recommendations presented within this section are based on plans reviewed and serve as guidelines to mitigate impacts to trees being retained and removed. They should be carefully followed and incorporated into project plans. Please note that they are subject to revision upon reviewing any additional or revised plans. 5.1 Design Guidelines 1. Each inventoried tree and assigned number should be added to the plans. Additionally, the five missing trees (see Exhibit B) should be omitted from the plans. 2. The Tree Protection Zone (TPZ) should be regarded as the area that is within a radial distance from the trunk of ten times its diameter. Within the TPZ, all grading (soil 15900 Los Gatos Boulevard, Los Gatos Page 4 of 9 r_._. ..C7 /7-,, T-),,,,o7---f n,,nnrtmo1at David L. Babby, Registered Consulting Arborist May 4, 2007 cuts, fill and finish-grading), trenching, and soil scraping should be avoided to the maximum extent possible. In areas where this is not feasible, the impacts should be reviewed to determine whether the proposed work will adversely impact a tree's vigor and stability. 3. Replacement trees to mitigate the loss of trees removed, shall, pursuant to Section 29.10.0985 of the Town Code, be determined by the Parks and Public Works Department. All new trees shall be planted prior to final inspection, double-staked with rubber tree ties, irrigated with an automatic drip or bubbler system placed on the soil surface and not in a sleeve. Additionally, to achieve the greatest assurance of proper installation, all new trees shall be installed, including necessary irrigation, by an experienced state-licensed landscape contractor (or a professional tree company). 4. Per Section 29.10.1000(C.1) of the Ordinance, a copy of this report must be incorporated into the final set of project plans, titled Sheet(s) T-1, T-2, etc. (Tree Protection Instructions), and referenced on all site-related plans. 5. The section of new driveway (including the paved surface, curb, gutter, forms and base materials) within the TPZ's of trees #17 thru 19 should be established entirely on top of existing soil grade with no more than a four-inch, vertical soil cut. This should also apply to any new walkway(s) or planters within a TPZ. 6. All new utilities and services should be routed outside the TPZ's. In the event this is not possible, I should be consulted for alternative installation methods. 7. The permanent and temporary drainage design, including downspouts, should not require water being discharged beneath the trees' canopies. 8. The proposed landscape design should conform to the following guidelines: a. Installation of plant material within a TPZ should be limited and planted at least five feet from the trunks of existing trees. 15900 Los Gatos Boulevard, Los Gatos Page 5 of 9 Town ofLos Gatos Community Development Department David L. Babby, Registered Consulting Arborist May 4, 2007 b. Irrigation should not spray within three feet from the trunks of existing trees and not be in contact with the trunks of new trees. c. In the event trenches for irrigation and/or lighting are required within a TPZ, they shall be installed in a radial direction to the tree's trunk. If irrigation trenches cannot be routed as such, the work may need to be performed using a pneumatic air device, such as an Air-Spade, to avoid unnecessary root damage. d. Stones, mulch and fencing should not be placed against the tree's trunk. Plastic ground cover, tilling and bender board should also be avoided within a TPZ. 9. To achieve the greatest assurance of proper installation, all new trees shall be installed, including necessary irrigation, by an experienced and knowledgeable state-licensed landscape contractor. The work shall be performed to professional industry standards. 5.2 Protection Measures before and during Development 10. Prior to site demolition and clearing, an on-site, pre-construction meeting should be held between the project arborist3 and contractor. The intent is to review trees being removed, procedures for digging beneath or near TPZs, protection fencing locations, staging areas, routes of access, cleanout pits, possible mulching, supplemental watering, demolition work, and any other required protection measures. All approved tree removals should be marked with paint (such as by an "V) prior to this meeting. 11. Tree protective fencing shall be installed prior to any demolition or construction (I suggest it be installed prior to any further demolition work at the site). Its placement and materials should be prescribed and authorized by the project arborist, an be in conformance with Section 29.10.1005 of the Ordinance. The fencing must be maintained throughout development and at no time should it be opened or relocated without direct authorization by the project arborist. 3 The "project arborist" refers to me or another individual that is certified by the International Society of Arboriculture (ISA) and/or is a member of the American Society of Consulting Arborists. 15900 Los Gatos Boulevard, Los Gatos Page 6 of9 T,..,,„ , T - f--i o l'nmm7imit, novvlnrnrent I-enartment David L. Babby, Registered Consulting Arborist May 4, 2007 12. Unless otherwise approved, all construction activities must be conducted outside the designated-fenced areas (even after fencing is removed), to include, but not limited to, the following: demolition, stripping of topsoil, trenching, equipment cleaning, stockpiling/dumping of materials, and equipment/vehicle operation and parking. Additionally, signs, wires or other objects should not be attached to the trunks. 13. The following shall be displayed on 8.5- by 11-inch signs (minimum) and attached to the fencing every 50 feet on the side facing construction activities: "`YARNING - TREE PROTECTIVE ZONE - this fence shall not be removed. Violators are subject to a penalty according to Town Code 29.10.1025." These signs should be posted congruently with the installation of fencing. 14. The project arborist should also be informed of and, if necessary, monitor development activities authorized within a TPZ. Unless otherwise approved by the arborist, all work within a TPZ shall be manually performed (e.g. shovels and wheelbarrows) without the use of heavy equipment or tractors. 15. Horizontal soil cuts (i.e. overcut) should not exceed 12 inches beyond the inside edge of future curb proposed within tree #17's TPZ. Horizontal soil cuts should also be avoided where the future curb will replace an existing curb within a TPZ. 16. Roots encountered with diameters of two inches and greater should be retained, protected, and reported to the project arborist. The retention or removal of these roots will be at the discretion of the arborist. As a guideline, roots encountered at this size should be retained and, if necessary, tunneled beneath during trenching. Roots requiring removal with diameters smaller than this must be cleanly severed against the side of the soil cut or trench closest to the nearest trunk. 17. All existing, unused lines or pipes beneath the canopies of retained trees should be abandoned and cut off at existing soil grade (versus being dug up and causing subsequent root damage). 15900 Los Gatos Boulevard, Los Gatos Page 7 of 9 Town ofLos Gatos Community Development Department David L. Babby, Registered Consulting Arborist May 4, 2007 18. The removal of hardscape within and near a TPZ should be performed in a manner that avoids excavating soil and roots during the process. All equipment used to perform the work should remain off unpaved areas beneath tree canopies. In the event that removal of any hardscape exposes roots exploiting the existing base course material, the base course should remain in place. 19. Great care must be taken by equipment operators to position their equipment to avoid the trunks and branches of trees. Where a conflict exists, pruning should occur to avoid damage from occurring. 20. The post locations of new fencing installed within a TPZ should be first reviewed by the project arborist prior to digging. A post-hole digger should be used for digging the first three feet below grade. In the event a root of two inches and greater in diameter is encountered during the process, the hole(s) shall be resituated. 21. Recommendations that are presented within Section 5.1 of this report and pertain to implementing the project plans should also be followed. 22. Throughout construction during the months of May thru October (or as deemed by the project arborist), supplemental water shall be supplied to the retained trees. The methodology, frequency and amounts shall be prescribed by the project arborist. 23. The pruning and removal of trees shall be performed per ISA standards and by a licensed tree service company that has an ISA Certified Arborist in a supervisory role. All pruning work shall be performed under direction of the project arborist. 24. Any stump being removed within a TPZ shall occur using a stump grinder rather than being pulled up with an excavator or backhoe. This work can be performed by the tree service company performing the removals. 1-5900 Los Gatos Boulevard, Los Gatos Page 8 of 9 Tnwyi ofT.nc Gatos Communitv Development Department David L. Babby, Registered Consulting Arborist May 4, 2007 25. Great care must be taken by equipment operators to position their equipment to avoid the trunks and branches of trees. Where a conflict exists, the project arborist should be advised to provide a feasible solution. 26. The disposal of harmful products (such as chemicals, oil and gasoline) is prohibited beneath canopies or anywhere on site that allows drainage beneath or near canopies. Herbicides should not be used beneath the trees' canopies; where used on site, they should be labeled for safe use near trees. Prepared By: Date: May 4, 2007 David L. Babby, R IV~,r'sui,~ 15900 Los Gatos Boulevard, Los Gatos Page 9 of 9 Town of Los Gatos Community Development Department ATTACHMENT 2 NOISE ASSESSMENT STUDY FOR THE PLANNED LOS GATOS POLICE OPERATIONS BUILDING LOS GATOS BOULEVARD LOS GATOS, CALIFORNIA MAY 8, 2007 BY EDWARD L. PACK ASSOCIATES, INC. EDWARD L. PACK ASSOCIATES, INC. 1975 HAMILTON AVENUE SUITE 26 SAN JOSE CA 95125 Ac'MV;iicul Cfjamllaals TEL. 408-371-1195 FAX. 408- D7 196 mm packassommes con! May 15.200 7 Project No. 39-021 Mr. C'unis Banks Plannin..; Department I,c»a,n oi,Los Gatos 11(i last Ntain Street 1.os OuLos. CA 950 -30 tiuhiect: Noise Assessment Study for the Planned Los Gatos Police Operations Building. Los Gatos Boulevard. Los Gatos Dear Mr. Ranks: f11is report presents the results of a noise assessment study for the planned Police Operations BUildi i ahng Los Gatos Boulevard in Los Gatos. as shown can the Site Plan. Rur. (at Ile project-generated noise exposures were evaluated agminst the standards of the ['own of' Los Gatos Noise Element. Ref. (b). The project-generated (short-terns maximum) noise levels "N"cre evaluated against the standards of the 'tt"m of Los Gatos limse Ordinance, WE (c). The results oi'the analysis reveal that project-generated noise c-\posures (2=1-hour average) will be in compliance with the standard& Short-term maximum noise levels from cars parking in the public parking strip at the north end of the site or if the canine unit dog barks outside of the Police Station buiidint-. exceedances or the Noise Ordinance will occur. Mitigation measures will be required. Aural warnint; dev ces. Such as sirens, air horns- alarms, etc., are exempt From the requirements of the Noise Ordinance. Sections 1 and 11 of this report contain a summary or our findings and recommc;ndations, respectively. Subsequent sections contain site and project descriptions, analyses and C~aluations. Appendices P, B and C, attached. contain the list of references. descriptions A' the standards. definitions of the terminology- descriptions oF the acoustical in trumentaiiOn used for the Field survey. and the noise nic;asurement data and calculation whics. MEPAEER ACOUSTICAL SOCIETY OF AMERICA NATIONAL COUNCIL OF ACOUSTICAL CONSULTANTS I. Summanw of Findings The findin?s presented below were evaluated against the standards of the Town of* l.os Gatos Noise I icn-tcnt_ which utilizes the Day-Night Lcvel (DNL) noise descriptor to ;Feline acceptable noise exposures for noise sensitive land uses. The DNL is a ?$-hour ti1nc-vvei<,hted avera-c descriptor commonly used to describe community noise cnyir0nments. The standards speeil:y a limit of' 55 decibels (dB) DN1._ at residential land uses. Note that noise exposures reported in terms of dB DNL used by the Noise Element and short-term noise levels reported in terms of' dBA used by the Noise Ordinance are dramatically different and must not he confused. The Toew111 of Los Gatos Noise Ordinance limits noise by bath tlzc noise Iewe1 in rc'ation to the haclcLround noise level and by the time of dais. The Noise Ordinance contains a series of' maps wwith zones of various hackground noise: levels over three separate time pcrlods throu"1101-It the 24-hour day, The periods are divided into 6:00 a.m. io 1:00 p.m. (-mornin,0. 1:00 p.m. to 10:00 p.m. (daytime) and 10:00 p.m. to 6:00 a.m. (ni,httimc). The hacLround noise Ievc;ls ['or the planned project location are: 60 dBA (morning). 62) dBA (da}Mime) and 51 dBA (nighttime). The Noise Ordinance limits noise Brunt a comillercial use to 8 dB above the hack-round or ambient noise level. I owevcr. 101, kveekends and holidays. the noise limits are reduced by 5 dB. Thus, the noise limits imposed on the Police station use art shown below. TABLE I vo\vn ol'Los Gatos Noise Ordinance Limits 6:00 a.m. - 1:001a.m. I :00 p.m. - 10:00 p.m. j 10:00 p.m. - 6:00 a. ill. (\:'Iorning) j (Daytime) (NiLul~tiime} U cekdav bs, dBA 70 cTI3.1 d B A j yl re lend I 6 dBl 65 di3:1 I c111A because the Police Station is planned for 24-hour operation. 7 days a wveek. the most rcstrictiv, limits apple. The limit of 54 dBA is used as the noise source deign criterion for the residential uses adjacent to and nearby the proposed project. A. Existin,, Noise Environment There arc two noise sensitive receptor locations in the vicinity of the planned Police Station. Location 1 is the residential uses adjacent to We north of the site "rich are along Neander Court. Location 2 is the residences on the east side of Camellia .I erruce to the cast of the she, 'Ile noise exposures and noise levels shown below represent the noise cKronment under existing; pre-project Conditions. • I-lie existing ambient noise exposure at the north property line of the site contiguous % ith the Oleander Court residences are as low as 57 dll DNl.. • The cxistinL.t ambient noise exposure at the residential properiy line to the east of the site aantv,'uous w.vith the CarYtellia "l errace residences are as lo-ow as 62 dB DNL I_inihing, the project-~unerated noise exposure to 55 dB DNL Would result is no si~.~niticant increase in the existing noise environment at the residences in the vicinity of the proposed Police Station. The cxistim, avcra,,1e ambient noise levels at the north property line range from 417 to 515 dBA. Own Friday to Saturday, from 41.9 to 59.0 froil Saturday to Sunda- rind from =41.5 to 60.2 from Sunday to lvtonday. The existim, average ambient noise levels at the Camellia Terrace residences nulp Noon 521 to 612 dBA front Friday to Saturday, from 52.2 to 63.0 From Saturday to Sunday and from 51.=4 to 64.9 from Sunday to (~4onday. Che maximum noise limit of 54 dBA prescribed b,% the Noise Ordinance is of propriate for the existi q noise environment. -4- B. Project-Generated Noise Exposures (DNL) i The project-generated noise exposure (under an assumed worm- case cMdition) at the mast impacted residential property line to the nr~rth of the planned facility (Oleander Colirt residences) &H he 44 (111 DNI. and will he within the » dB DNI, limit of the Tmvn of Lys Gatos Noise Dement. The proposed project will not add to the cxistin~~ noise environment. • ['he project-generated noise eXpost re at the most impacted residences a om, t'aniAE 'Terrace (under an assurned worst-case scenario) will he 49 dR DNL. Thus. the noise exposure will be N-t ithin the » d13 DNI, limit of the Town of Los Gatos Noise l,lcment standards and will be substantially below the cxisting, noise exposures. The project wvill not add to the existing- noise cm ironment. C. Project-Generated \'oise Levels (dBA) Tahle 11 oil the Iollo"vin,g page provides the project-oenernted m iximum noise lr~ el.s Lit the most impacted residences to the north OF the project alonct- Olc;ander Court and at the most impacted residences Wong (Imellia T rnwe to the cost. '['he noise levels reported for the Camellia Ternme residences include the effect of a solid gate across tlhc Camellia `terrace driveway to the project site. The noise excesses are shown in Bold. f ! t ( I ~ i i f' rl r7 ~ ft ('I rE r~ i J I I 7D r i r i I J ~ 1 r v ~ I G I .IJ - -b- The data in gable 11 reveal that noise exceedances will occur primarily from curs using the public palkg area along, the northern hnunduy or from the canine unit dog, larking. if the do harks at the secure parking spaces closest try the either the north proper' line or to Camellia Tcrrac.c. The noise impacted areas of the homes on Oleander CAiurt me the portions of the rear yards that are "Ain 45 Q. ofthe public parkinzg area. As noise level excesses are likely to occur. mitigation measures %vill he rciluircd. I'hc recommended measures arc described in Section IL below, 11. Recommendations 10 achiov compliant: with the 54 dBA nighttime limit cif the 'fown or as Gatos \oisc Drdinancc. the folio A. noise mitigation measures are reconin1ended: • Load and unload the canine unit dogs at the staff enu-v area adjacent to the silly part. Instruct the doss to refrain 1'rom harking vahiIC on the site. • Load and unload any potentially unruly detainees "vithin tile Satl~' Port. • Limit the use of sirens in the residential areas. particularly at night. unless absolutely necessary tier public salety. North Property Line :Noise Implement one o! the two alternatives: I) Construct an 1 1 11 high acoustically-effective harrier 'alon", tile north property line of the site contiguous Leith the Oleander Court homes. To conimi tlanking noise. continue the harrier along thLe easterly boundary ror a distance of 15 it and at a height of 4 ft. The barrier hcight is in reference to the nearest parking space _FOU116 elevation. Please set Owe I for the location and height of the recommended noise control harrier. LL 1 CO Y T 51; N n U ~ n/ T o co < ' LIJ m O N > LU C) I 1 1 _ 1 e I ■ i i i ® Wit. t2 U Iv } PIA -7- Disallow parking within 50 ft. of the north property line between 10:00 p.m. and 6:00 am- Noise Impacts to Camellia Terrace Residences • Construct a solid sate across the driNCvvay to Camellia Ierracc. The 'utltc rnav be a motor driven rolling type. The gLite may he cr.nsu-ucted oi'vvood to match the associated fencin<-1. t_Isc the Camellia hcrrace driveway I01' emergency use (answurin'l CATS) only. Vo ~tcltievc an acoustiCAV-CFI' tivc barrier, it must he constructed air-tight, i.e., \.v ithoui cracks, yaps or ether openintos_ and must provide for lon~,~-term durabiliill lkirriers can be constructed of masonry. wood. stucco. concrete. metal or tt cotnhination thcrcoi' and must have a mmirn m surface xueip-lit of' 4.0 lbs. per- sq. 11. li wood e0nstruction is used. 1101110Oeneouc sheet materials are prelerable to conventional wood fencIm-,. as the latter has a tendency to warp raid norm openings with at e. Howcvcr, 111-11 quality tdr-tight tongue-and-groove, hoard and hatter or shiplap construction can be used. Ill COIIlleCtlolls y'Ith posts or pilasters must h sealed air-tight and no open* MUS arc permitted hetwccn the upper harrier components and tile ground. T11e iIII pi 0111cntation of' the above recommended measures will reduce project- --ner;ttc:d noise to Comply "vith the standards of the Town ol'' Los Gatos Noisc Ordinance and Noise Element. III. Site and Project Descriptions The planned project site is an I.-shaped parcel located Los Gatos BotlIevard hctween l arlev Read and Blossom 1-1111 Road and presently contains a Verizon Wireless Facitity. A portion of the Verizon building that is nov,% on the subiect project site is beim) dcmo.lishcd. The site is relatively flat and at-ride with the adjacent land Cities and roadvvavs. A 6 it. l~i«h masonry v%all is located on the north property line. -8- Surroundings land uses include sinj"e-family residential adjaccnt to the north (01CLrndcr Court). sin~~Ie-fantil~ across Camellia Tcrraee to the east. a retail shoppin, celttcr adjacent to ffic south and Los Gates 13oulevard adjacent to the yy,est. The Verizon \Virclcss building will remain rm the site that is on the northeast corner of the larz er parcel(s) that contain the Verizon building and the planned Police Station. The planned project includes the constructi<m of a Police Services Operation center to sci_VC the Los Gatos"'Montc Sereno areas. The Police Station building will he located at the southwCst corner 01'01e Site. Secured police parkinv, will be atom, Can-tellia Ccrracc told alone, the eastedy boundary coiltigmms with the Verizon site. Public parkin, will he located along.; the north property So An emergency generator is planned For an area of the parking lot near the southwest corner or the Verizon property. The main drivc ay to the site will he off of Los Gates Boulevard with a secondary, access olT ttf' C amcllia Terracc. The Police Station is planned l`or 24-hour operation. IV'. Anah'sis of the Noise Levels A. Existina Ambient Noise Levels To determine rite cxistim, noise exposures at the site. continuous recordin-s of the Sound le"els were made at two locations. Locution I was alono the north property line or the Sitc Contiguous, vtiith the closest residence on Oleander Court. approximately 190 it, I4"n the centerline of Los Gatos 13oulevard. TO location represents the residential area N~ith the l0ryest ambient sound levels but that will be most noise impacted from the protect. Imctttion ? tvas at Be sidemdk on the east side of Camellia Terrace at the north corner of Lilac Wu v. This location is represcntative of the existing noise environment on the: east side of Camellia Terrace near the project site and was also chosen for security of' the sound measurin<I eC{uipntcnt_ The noise measurements were made on April 6-9. 2007 for a total of 72 hours at each location. This period included Friday. Saturday, Sunday and Nlonda~ and seas also Euster weekend. It is assumed that this particular yyeekend "ould mprmcnt the approximate lomst sound mn ironmcnt that would occur in Be area. -9- Ile noise levels were recorded and processed using; Larson-Davis LIR 812 ('recision Intcurating Sound Level N-icters. '['Ile meters vield_ by direct readout, a series of dcscdptors of the sound icvcls versus time, as desct'ibed in Appendix B, and included the 1,2, I.~ , and t,;n. i.e.. those ICVCIs CNCCCdCd for S3o. 25"4,. and 50-,) of the time. ALSO mcasured were the maximum and minimum levels and the COntinllous equivalLnt- ener~~y levels (1 ,1). which are used to calculate the ONL. 'File measured t,,,,4 are shown in the data table in Appendix C. As shown in the tahle . the I.,,,i's at mcasurennent Location I on Friday-Saturday rariL,cd From 57.4 to 612 dBA dtu-ing the dgMme and from 523 to 519 dBA at nAlt. On `tiaturday to Sunday. the L,.,,*s rrin,,,,,ed from 56.9 to 6-').0 dBA during, the daytime and front 522 to 55.6 (IRA at night. (}n Sundae to 1•Unc[ay, the [ ,i's rangy=ed from 57.1 to 64.7 dBA during the daytime and from 51 A to 6L7 dBA at night. The Qq's at measurement Location 2 on [giddy-SMUrday ranged from 52.7 to 59.5 dBA during the daytime and from 417 to 514 dBA at night. On Saturday to Sunday.. the 1.. Ws ntnged Frmn 52.4 to 59.0 dBA during the daytime and from 41.9 to 53.4 (IRA at night. On Sunday to l/Iondan the Leg's ranged Amp 51.2 to 60.2 dBA during' the daytirne and from 413 to 510 dBA at night. B. Project-generated Noise Levels To dcttrminC the levels of noise erected by the various sources associated with the plonned pi-cocct. as listed in 't'able I1. noise level measurements were performed on April 17, 2{i07 at the l,os Gatos `1-owm I[ctll police station. On police car t4as staged in the parking lot and the officer "as instructed to start the engine. idle the engine, close tine doer. perl"orm shotwun racking. operate the siren and air horn and operate a walkic-talkie. A second person was instructed to act as an unruly and loud detainee being taken out of the police car. In addition, the canine arrived and the dog, was instructed to hark. The sound level measurements %vere made usin« a I_,arson Davis 2900 Real Time Analy er. which ine,asures sound levels in real time over I G-octave frequency hands. Thc results of the measurements are shown in fable lI_ AJtJtottgh the hryject building, has not yet been designed in detail, inf-ormaiion rcuardi g the emergency generatOr and roof-tot, air-conditioners w--Is provided by the 1 ovv n cif Los Gates. Ref: (ri'f. The emergency generator is likely a) be a 6enernc QT1 ?O wiih a sound rating of 75 dBA at 7 meters (23 ft_). At the nearest residences to the north. 170 ft. froill tine cilic" ncv generator. the sound level reduces to 53, dBA. At the nearest residcrices to th: cam. 230 A. Urn the emergency gencrator. the sound level reduces to 48 e B:v Thus_ the cnicrgency gcnerator Use emission levels will be vN ithin the 54 d13A limA of We Own orLos (fates Noise Ordinance. No detailed in(<mmition %vas available regarding the root-top air-conditioners, hinveNvr_ it is assured that two small package unit might be installed. The building in its cntiri It would require approximately 17 tans of coohn, we arc using. for the purposes of- this stud. that tvvo ?-ton units would he installed. An average sound level for a 5-ton cmidensinu unit is 75 d13 of A-weighted sound power. At a reference distance of' 10 it._ the sound level is 55 dBA. %vo units located close to each other in relation to the receptor locations would generate n sound level of 58 MA at 10 it Al the nearest residences to the north. 1 30 R. bom a likely rool=top position. the two air-conditioner s~Und Jcvels reduce to 36 dBA. At the nearest residences to the cast. 340 ft. From a likely rool'-lop Position. the tv"o air-conditioner sound levels reduce to 21 dBA. Thus. the ri~ol- top air-conditioner sound levels will be within the 54 d13A limit cif` the Tov,-n of Los (-tatos Noisc Ordinance. Note that a 20ton package air-conditioner is estimated to be approximately 10 dl3 lOudrr than the two 5-(on units. Thus, a 20-ton roof-top unit is estirated to also be w';thiit d)c limits of the Town of Los (laths Noise Ordinance. V. Evaluations of the Noise Exposures A. Existing Ambient Noise Exposures To evaluate the noise expomwes against the 'kMll Of' L.os Oatos standards, the DN',I 's for the survey locations Nvav calculated by dccihel averaging ol' the I, is as they uppl~ tee the daily time periods of the DNI. index. The DNI. is a 24-hour noise descriptor that rises the measured 1,q values to calculate a 2=I-170Ur Iinte-A"eiI'll ted aVer<lUe noise cxposw-c. The lbrniula used to calculate the DNI.'s is described in Appendix 13. The results of the calculations are shown in !appendix C. .I'lte noise exposures at nteasureme.nt Location L the north property line and 190 ft. From the centerline of Los Gatos Boulevard. were calculated to he 58 d13 DNI, from l'ridav SaturdDy. 57 LIB DNL from Saturday - Sunday (Easter) and 57 dR DNI, from Sunday \'londav. I,hc noise exposures at measurement Location 2, the cast We of Camellia I enUcc at the corner of Lilac W,1y. were calculated to be 64 dR DNI. Isom Fridav- - Saturday, 62 dB DNI. from Saturday - Sunday (Easter) and 64 dB DNI, from Sunday Mondav. B. Project-(kyrated Noise Exposures Flic project gcnertrted noise exposures ttrc function not only of the ICvcl of noise, lout of the duration of the noise and the time of occurrence. Because precise operational ini-ormation rc,-,ardintu the nun11-)crs of vehicles tIloing in and out of the parting areas and the times and durations «C mechanical equipment operation is unknOW11. worst-case sccnarios ,vere developed to determine the maximum potential noise exposures at the residential receptor locations. These scenarios vvere dcveloped from Policc Department ~~,~eratit nal int'orntation provided by the Awn of I_os Gates. Ref*. (c)_ It is likely, that the Sonsity of the pndeet v I he much less than described in this section. - 1?- Tht scenario for the north property line consists of ? cars per hours parking in the public parking area between 6:00 a.m. and 5:00 p.m. A total of 4 Lars is expected hempen 5AO pmL and 1010 p.m., and again het%veen 10:00 pm, and 600 t mi- I lie Q W2 Departmcrn shifft run JAnn 6:00 a.m. to 4:00 p.m. with 6 officers goin" out tincluding ? ntowcyclesy from T p.m. to 1:00 aim. with 7 o0kc s going ottt toad Sao 91W p.m. to 7:00 zrn- with 5 oRkers g ing out. T-:mplovecs arri-,!e at approximately 7:00 a.m. and chmgc shifts at approximately 5:oo p.m. Therc Nwill be iiVe {,n-site employees. In addition, we are assuming, that 4 cars "A ego in and ottt eaCh lxnir throu-ghout tie day whether they are police/employee ~ chiClc:s or public vehicles. Noise front the roaktop air-conditioners `,,-as added to the vehicular noise tint}Ivsis. 'I-lte roof=top equipment could potentially operate 24-hours per day- North Property Line Analysis Public Cars 1 crtcl- 1,g Car op rnlion: Car nter 49 dBA i() I S ecs. C)osing Door 66 MA I[? ft. 1 sec. C u- oprrati<ul C lusing Dior 66 dBA 10 1t. l sex. Stanin, Ln,ine 59 dBA to 11. secs. Ln,inu Idle dG dBA 10 1!. 6 secs. Pullin, Om 49 dBA 30 tt. 5 secs. TOTAL 55 dBA I min. aVY. Pill ic:: 1-111ployee Cars 1 rnterin car operation: Car inter 49 dBA ill It 1) -secs. Clt~Sin~? Door » RIBA 52 11. 1 Sec. TOTAL 42 dBA I now avg. 1 MAQ CarOperMM CloAgEmor 55 dBA 52 ft_ I sec. Starting Engine ` 4S dBA >2 fl. ; secs. Engine idle -12 diA 52 It l secs. f-'U111n~' OUI 49 dBA 30 It_ b scci. TOTAL 40 dBA I now aq_ nlo[orcycie op)-ra'Jon 5t[irtin!` En?1nc >S dBA 12 1t. sec>. PuilinL,Out 01 dBA )011 secs. TOTAL 50 dBA 1 min. avg. The hoturly average noise levels range from 440 dB A during shift clhan,ges. The IIOLIYI~ aVC1_age noise levels for the public parking., area are 40 dBt1 from 6:00 a.m. to 5:00 p.m. The avcra'-,e noise level From 500 p.mr to 10:00 p.m, and from 10:00 p.m, to 6TO amy is 43 WV l-he prolecs,nerated noise exposure usin,z the scenario described on page 12 will be: TOTAL 44 d13 DNL Existing 57 dB DNL Cumulative 57 dB DNL The proji:cogenerated noise exposure in the rearward of the most impacted residences along the north property line (Oleander Cow-t) vVill he within the limits of the Town of Ins (Yam Noise Element standards- The project will not add to the cxisting noise cnVtronmcnt. The analvsis for the Camellia -Terrace residents assumeS that the drive,Vaw Will he Used for shift changes emi though the Police Department does not intend to use this driv cway !or purposes other than emergency call response. This scenario is similar to the Nort11 Property Line analysis v,-ith the exception of no public cars N ill use the CanlClha Turrace driveway, CameMa Terrace Anaysis 1 cnierim_ car 01)(n-"Won Drivin<, By 50.0 dBA =1() f1. Closing Door ~32 dBA 90 n. IOTA L 46 dBA 1 exiting car operation Claim, Door 312 dBA 90 R. Starting,. Engine 4:,.6 dBA 90 R. Pulling, out and Drivirig by 510 dBA 40 it. TOTAL 46 d3A M010rctdk: operati{in Pulling ImOut 5S dBA U ft. DNL= 49 dB Existing 62 dB Cumu mh,e 62 dB '_0 tires. f sec. 1 ❑ M mg. 1 Sec. sms. 20 Secs. 1 nil. av<,. S secs. - 14- I-lie project-,,enerated noise exposure at the most impacted residences alonL Camellia Terrace YOU be within the 55 dB DNL lin-lit of the Town of L,os Gatos Noise Element and Neill not add to the etiisting noise en ironnient. 1s shown by the above cvAueti ans. the project generated noisy:; exposures v ill he v,ithin the limits oftic Toxvn ofLos Gatos Noise [--.lenient standards. Ill maximum noise levels generated tg certrun sources and xvithin close proximity of the neighburk such as cars door- closing, and dogs barking. are exhectcd to csceed the limits of the Town of Los Gatos Noise Ordinance. Mitigation measures WI he required. 11c recortimended measures arc: described in Section [I. I his report presents the results of a noise assessment study for the planned Los Gnats l'AW Operations Building along Los Gatos Boulevard in Los Gatos. The study (indingti arc based on held measurements and other data and are correct to the hest of our knov, led~,e_ l lowever. changes in the operational scenario. operational hours, noise regulatiorls or other changcs beyond our control may result in future noise ]eVels diftercnt than our z_ tinttttes_ If you have any questions or would like; an elaboration on this report. plane call nic. Sinccrclti 1-.D\VARD L. PACK ASSOC._ INC. .(dire), K. Pack President Attachnlent::Append ices A, B and C APPENDIX A References: (a) Site Plan, Los Gatos-Monte Sereno Police Operations Building Concept, by Ross Drulis Cusenbery, April 24, 2007 (b) Town of Los Gatos General Plan, Section 11.0 Noise Element, February 4, 1985 (c) Town of Los Gatos Town Code, Ordinance Number 1852, Chapter 16, Article II, "Noise Limits", 1991 (d) Information on Projected Mechanical Equipment Provided by Mr. Curtis Banks, Town of Los Gatos Planning Department, by Personal Communication with Edward L. Pack Associates, Inc., April 17, 2007 (e) Information on Police Department Operations Provided by Mr. Curtis Banks, Town of Los Gatos Planning Department, by Telephone to Edward L. Pack Associates, Inc., May 7, 2007 APPENDIX B Noise Standards, Terminology, Instrumentation, 1. Noise Standards A. Town of Los Gatos Noise Element Standards The Noise Element to the General Plan of the Town of Los Gatos specifies an exterior noise exposure standard of 55 dB Day-Night Level (DNL) for residential and hospital land use. Commercial and industrial uses are limited to a maximum Leq of 70 dBA. Schools and developed parks are limited to 55 dBA Leq and passive parks are limited to 50 dBA Leq. 2. Terminology A. Statistical Noise Levels Due to the fluctuating character of urban traffic noise, statistical procedures are needed to provide an adequate description of the environment. A series of statistical descriptors have been developed which represent the noise levels exceeded a given percentage of the time. These descriptors are obtained by direct readout of the Sound Level Meters and Noise Analyzers. Some of the statistical levels used to describe community noise are defined as follows: L1 - A noise level exceeded for 1% of the time. LIo - A noise level exceeded for 10% of the time, considered to be an "intrusive" level. L50 - The noise level exceeded 50% of the time representing an "average" sound level. L9o - The noise level exceeded 90 % of the time, designated as a "background" noise level. B-1 Leq - The continuous equivalent-energy level is that level of a steady- state noise having the same sound energy as a given time-varying noise. The Leq represents the decibel level of the time-averaged value of sound energy or sound pressure squared and is used to calculate the DNL and CNEL. B. Day-Night Level (DNL) Noise levels utilized in the standards are described in terms of the Day-Night Level (DNL). The DNL rating is determined by the cumulative noise exposures occurring over a 24-hour day in terms of A-Weighted sound energy. The 24-hour day is divided into two subperiods for the DNL index, i.e., the daytime period from 7:00 a.m. to 10:00 p.m., and the nighttime period from 10:00 p.m. to 7:00 a.m. A 10 dBA weighting factor is applied (added) to the noise levels occurring during the nighttime period to account for the greater sensitivity of people to noise during these hours. The DNL is calculated from the measured Leq in accordance with the following mathematical formula: DNL = [(Ld+101091015) & (Ln+10+10109109)] - IOlog1024 Where: Ld = Leq for the daytime (7:00 a.m. to 10:00 p.m.) Ln = Leq for the nighttime (10:00 p.m. to 7:00 a.m.) 24 indicates the 24-hour period & denotes decibel addition. C. A-Weighted Sound Level The decibel measure of the sound level utilizing the "A" weighted network of a sound level meter is referred to as "dBA". The "A" weighting is the accepted standard weighting system used when noise is measured and recorded for the purpose of determining total noise levels and conducting statistical analyses of the environment so that the output correlates well with the response of the human ear. B-2 3. Instrumentation The on-site field measurement data were acquired by the use of one or more of the sound analyzer listed below. The instrumentation provides a direct readout of the L exceedance statistical levels including the equivalent-energy level (Leq). Input to the meters were provided by microphones extended to a height of 5 ft. above the ground. The "A" weighting network and the "Fast" response setting of the meters were used in conformance with the applicable standards. The Larson-Davis meters were factory modified to conform with the Type 1 performance standards of ANSI S1.4. All instrumentation was acoustically calibrated before and after field tests to assure accuracy. 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(T br ~ Nt x,~ a. ry h RYA ~ I :k ~rn i M w n n m J i ~ lit ~ N M t f'3 1ppi1 +{pfl .r ff M~ Iro o m N ,r rj b o 4 tot I ~ It eu Vw m n ,n ~ ~ z ,n . l - r I dR'; n » n a, ' M V N m ~ C Y vh [V ^r ~ l . _ h r6 t, y; ~A rb ~ n Cai, i C.i :V N vn C~+I +t rv N V, N ' s ct ~ ~ n O j y r cry J Z, W s. t~ J O 2 ~ a ~ V (Y d U a w 'l Y ~ ~ ~ J S n n 4 a a ATTACHMENT 3 TRAFFIC EVALUATION FOR NEW LOS GATOS POLICE SERVICES BUILDING LOS GATOS, CALIFORNIA MAY 10, 2007 BY KIMLEY-MORN AND ASSOCIATES, INC. Kimley-Horn and Associates, Inc. 10 May 2007 Curtis Banks Mr 2000 Crow Canyon Place . Suite 410 Town of Los Gatos San Ramon, California 110 E Main Street 94583-1367 . T 925 543 0840 P.O. Box 949 F 925 543 0839 Los Gatos, CA 95031 Re: Traffic Evaluation for new Los Gatos Police Services Building Dear Mr. Banks: Thank you for inviting Kimley-Horn and Associates, Inc. (Kimley-Hom) to perform traffic and transportation services in conjunction with the proposed new Town of Los Gatos Police Department Facility. The new Police Department facility is proposed to be located at 15900 Los Gatos Boulevard in Los Gatos, California, as shown in Figure 1. The building is currently being evaluated to determine if the Town will purchase the facility for Police Department operations. If the Town purchases the building, the existing 8,645 square foot building will be expanded to 10,765 square feet and is expected to contain police services focused on patrol functions, some office uses, and a property storage facility. This letter reports the findings of our evaluation of the traffic and transportation effects of the proposed project, including an evaluation of the existing and existing plus project traffic conditions and any necessary- mitigation at or near the proposed site location. Figure 1 - Site Location and Surrounding Area s tir ~ ~~~of - r - , Hill Perk LosGatosPoliceServicesBuildin-1inaiLetter reVAsed.doc Kimley-Ham and Assoclaips, Inc. Los Gatos Police Services Building Traffic Evaluation, Page 2 ASSUMPTIONS AND METHODOLOGY The existing site contains two main structures operated by Verizon, a switching station and an office building. The site is proposed to be subdivided to retain the Verizon switching station but sell the existing office building to another tenant. As part of this change, some of the existing site parking layout, landscaping, and more will be modified based on the new property tenant. The Town of Los Gatos requested that Kirrtley-Horn evaluate the existing office building using the following three alternatives as a future land use. Retain the existing building as a general office building (8,645 square feet) Renovate the existing building to contain retail uses (8,645 square feet) Renovate and expand the existing building to be used as a Los Gatos Police Services Building (10,765 square feet) Trip generation for development projects is typically based on rates contained in the Institute of Transportation Engineer's publication Trip Generation, 7th Edition'. This is a standard reference used by jurisdictions throughout the country and is based on trip generation studies in numerous locations and represents various populations. A trip is defined in Trip Generation as a single or one-directional vehicle movement with either the origin or destination at the project site. In other words, a trip can be either "to" or "from" the site. Therefore, a single visit to a site is counted as two trips (i.e. one to and one from the site). For purposes of determining the worst-case impacts of traffic on the surrounding street network, the trips generated by a proposed development are typically estimated on a weekday between the hours of 7:00-9:00 AM and 4:00-6:00 PM. While the project itself may generate more traffic during some other time of the day such as around noon, the peak of "adjacent street traffic" represents the time period when the development contributes to the greatest amount of congestion and potential mitigation, with the PM peak commonly being the greatest congestion period. Trip generation rates for the office and retail alternatives were based on ITE Land Use Codes 710 (General Office) and 820 (Shopping Center) to estimate the traffic volumes related to the respective land uses proposed for the site. Often with a new development a certain amount of trips to the site are vehicle trips that are already on the road and will choose to stop as they "pass-by" the site. These vehicle trips are not new vehicle trips but are considered to be pass-by trips. Due to the nature of the office land use, no pass-by trips are expected and therefore no pass-by trip reduction was applied to the project trip generation. In addition, the shopping center land use does permit a pass-by reduction but this was not included in the evaluation to provide a conservative approach of the traffic generation. ITE Trip Generation does not include a land use for police facilities. Therefore local information provided by the Los Gatos Police Department and Town Staff was used to determine the likely trip generation for the police facility. 1 Trip Generation, Institute of Transportation Engineers, 7Th Edition, 2003. I® Wley-Hom ® and ASsod&s, Inc. Los Gatos Police Services Building Traffic Evaluation, Page 3 TRIP GENERATION FINDINGS Table 1 summarizes the results of the weekday trip generation for the office and shopping center land uses, as well as the project traffic generation for the new police services building. Additional information concerning the trip generation calculation is included in the Appendix. Table 1- Weekday Trip Generation Summary Daily Weekday AM Peak Weekday PM Peak Land Use Independent Variable Trips (7 am - 9 am) (4 pm - 6 pm) In Out Total In Out Total General Office 8,645 square feet 95 11 2 13 2 11 13 (ITE Land Use Code 710) Shopping Center 8,645 square feet 371 5 4 9 15 17 32 (ITE Land Use Code 820) Proposed Police Services Buil ding (10,765 square feet) Operations Captain 1 police captain start/end shift 2 1 0 1 0 1 1 (7 am - 5 pm) and leaves for lunch Patrol Sergeant 1 police captain start/end shift 2 1 0 1 0 1 1 (7 am - 5 pm) and leaves for lunch Administrative Sergeant 1 police captain start/end shift 2 1 0 1 0 1 1 (7 am - 5 pm) and leaves for lunch Evidence Technician 1 evidence technician start/end 2 1 0 1 0 1 1 (7 am - 5 pm) shift and leaves for lunch Community Service Officer 1 CSO start/end shift and 2 1 1 2 0 0 0 (8 am - 12 pm) return once during shift Weekday Day Shift 6 patrol officers start/end shift 36 2 2 4 6 6 12 (6 am - 4 pm) and return once during shift Weekday Swing Shift 7 patrol officers start/end shift 42 0 0 0 2 2 4 (3 pm - 1 am) and return once during shift Weekday Night Shift 5 patrol officers start/end shift 30 0 5 5 0 0 0 (9 pm - 7 am) and return once during shift Subtotal 118 7 3 15 8 19 20 As noted in Table 1, the Police Services Building will be served by an Operations Captain, Patrol Sergeant, Administrative Sergeant, Evidence Technician, Community Service Officer, and patrol officers that serve on three shifts during a typical Monday-Friday work schedule. The trip generation approach assumes that police staff at the services building leaves once during their work day and that patrol officers return to the police services building an average of one time during each shift. Therefore, a conservative approach was taken to the traffic generation for the patrol officers and it was assumed that all officers arrive or depart during the citywide traffic peak hours if their shift started or ended near these periods and that one-third of the officers serving on each shift also returned during the peak hour. For example, during the weekday day shift six patrol officers are expected to arrive in their patrol vehicles during the PM peak period and six personal vehicles will exit the police services building. As noted, this approach results in a worst-case traffic projection for the proposed police services building. rri- Kimley-Horn and Associates, Inc. Los Gatos Police Services Building Traffic Evaluation, Page 4 As shown in Table 1, the Police Services Building is expected to generate 15 vehicular trips during the weekday AM peak period and 20 vehicular trips during the PM peak period. In comparison to a possible future Shopping Center land use, the Police Services Building generates an additional 6 trips during the AM peak period and 12 fewer vehicular trips during the PM peak period. Comparing the existing General Office land use with the proposed Police Service Building shows that the Police Services Building is expected to generate 2 additional trips during the AM peak period and 7 additional trips during the PM peak period. These additional trips are were found to add the equivalent of approximately 0.1 second of average delay to the two adjacent traffic signals at the intersections of Blossom Hill Road and Chirco Drive with Los Gatos Boulevard, and thus have a less than significant effect on the surrounding roadway traffic conditions. Additional information concerning the intersection delay calculation using the Synchro 6 software is included in the Appendix. In addition to the weekday trip generation analysis, the effects of a proposed new development on the site were studied on the weekend as well. A weekend study of traffic generation is not typically conducted because the vehicular traffic volume of the adjacent roadways is generally lower than during weekday peak periods except near unique generators such as shopping malls and other high density retail or entertainment facilities. However, a trip generation evaluation was conducted for the proposed land uses based on the operations of the Police Services Building during the weekend. Trip generation was performed for a typical Saturday since the traffic expected at each of the studied land uses as well as on the surrounding roadways is typically greater on Saturday than Sunday. Table 2 summarizes the results of the Saturday trip generation for the office and shopping center land uses, as well as the project traffic generation for the new Police Services Building. Table 2 - Saturday Trip Generation Summary Saturday Peak Saturday Off-Peak Land Use Independent Variable Trips (7 am - 10 am) (After 7 pm) In Out Total In Out Total General Office (ITE Land Use Code 710) 81645 square feet 21 2 2 4 0 0 0 Shopping Center 8 645 square feet 432 23 21 44 11 13 24 (ITE Land Use Code 820) Proposed Police Patrol Services Building Weekend Day Shift 6 patrol officers start/end shift 36 2 2 4 6 6 12 (7 am - 7 pm) and return once during shift Weekend Night Shift 6 patrol officers start/end shift 36 0 6 6 2 8 10 (7pm - 7 am) and return once during shift Subtotal 72 2 8 10 8 14 22 As shown in Table 1, the Police Services Building is expected to generate 10 and 22 vehicular trips during the Saturday peak and off-peak periods, respectively. In comparison to the possible future Shopping Center land use, the Police Services Building generates 34 less trips during the Saturday peak period. Comparing the existing General Office land use with the proposed Police Services Building shows that the Police Services Building is expected to generate an additional 6 trips during the Saturday peak period. These additional trips are anticipated to have a less than significant effect on the surrounding roadway traffic conditions, due to the lower traffic volume during weekend travel conditions on Los Gatos Boulevard. Saturday traffic volumes on Los Gatos Boulevard were measured in the Fall of 2005 to be approximately 25,000 daily vehicles. The trips generated by the Police Services Building are equivalent to an addition of less than 0.1 percent to the roadway, a level considered less than significant. Additional information concerning the vehicular daily traffic volumes is included in the Appendix. Kmley-Ham and Assoclabs, Inc. Los Gatos Police Services Building Traffic Evaluation, Page 5 SITE ACCESS AND CIRCULATION FINDINGS Kirnley-Horn conducted a field review of the project site to determine if there may be any site access or circulation issues related to the proposed Police Services Building. Kin ley-Horn utilized observations made during the field review in union with the latest available site plane for the Police Services Building to make the following recommendations related to site access and circulation. Figure 2 shows a photographic aerial of the site and surrounding area. Site Access The current site plan shows two access driveways to the site, as shown in Figure 3. The main access drive is located on Los Gatos Boulevard and will serve as the primary access for the site, including personal vehicles of police department staff, patrol vehicles, public citizen vehicles, and other accessing the site. The site also has a secured gate access from Camellia Terrace at the rear of the property. It is understood that the intention of the police department is to primarily use the Los Gatos Boulevard driveway and that the Camellia Terrace access will be utilized in only emergency or special circumstances. Ross Drulis Cusenbeny Architecture, Los Gatos - Monte Sereno: Police Operations Building Concept Option A, 7 May 2007. T tncPn1;raCerviresRuiIdinc1inalLetter revised.doc Figure 2 - Photographic Aerial Image of Site Location and Surrounding Area ®F1 Kim~y-Ham ® - and Associates, Eric. Figure 3 - Police Operations Building Concept Los Gatos Police Services Building Traffic Evaluation, Page 6 may: m I Los Gatos- Monte Sereno Police Operations Building Concept Site Plan Option A u_- DRAFT --r.- Exiattr9 Building: 9,238 G.S.F. Building motion: 1.557 G.S.F. Total: 70.795 GS F. w E Y4e~ i Ope~at c QV - - - - - - - - - - - - - - - - - The access driveway on Los Gatos Boulevard currently operates as a right-turn entry and right-turn exit only location. There is currently a landscaped concrete median of approximately 14 feet in width prohibiting left-turning vehicles entry or exit from the Los Gatos Boulevard driveway. The police department requested a preliminary analysis be performed to determine if a change could be made to this access location to allow left-turning vehicles entry and exit from Los Gatos Boulevard, especially to police patrol vehicles in emergency conditions. The current constraint to reconfiguring this access location is due to a northbound left turn bay at the Frank Avenue/Los Gatos Boulevard intersection. The northbound left turn bay begins its taper approximately perpendicular to the driveway location and permitting additional access to this driveway may require the modification of the Frank Avenue northbound left turn bay. The Police Department should review the frequency of their need for emergency access to determine the best alternative for an access modification at this location. One of the most likely alternatives would include a simple cut in the existing median and installation of regulatory signs to allow emergency vehicles only to use the new access location. The second alternative would be the installation of a full "emergency intersection" including a median cut, the modification of the northbound left turn bay accessing Frank Avenue, and appropriate warning devices such as yellow flashing beacons. /I ® Kimley-Hom ® and AssoC&s, Inc. Los Gatos Police Services Building Traffic Evaluation, Page 7 Although a dedicated entry and exit to the Police Services Building may be preferable for police services, there are alternate existing locations to access the Police Services Building site. Vehicles that exit the site using the Los Gatos Boulevard driveway and wish to travel south may use the Frank Avenue northbound left turn bay and make a U-turn at the intersection to travel southbound. In addition, vehicles that enter the site from the north may travel slightly past the driveway location and make a U-turn at a southbound left turn at Placer Oaks Road. These turn around locations may not be preferred but they do allow for relative convenient and legal access (southern U-turn is approximately 500 feet away and northern U-turn is approximately 150 feet away) and they permit occupancy of the Police Services Building without modifications to the existing roadway geometries. Although these access conditions may not be ideal for emergency situations, patrol vehicles should be able to activate their emergency flashers and enter the traffic flow in a timely manner to make these turning movements. Parkin The most recent site plan shows a total supply of 46 parking spaces for Police Department staff (including 1 handicap accessible space), 8 parking spaces for utility vehicles and motorcycle parking, and 7 public parking spaces (including 1 handicap accessible parking space). The 46 vehicle spaces and 8 motorcycle spaces are located within a secured parking area that is accessed via the parking lot located near Los Gatos Boulevard as well as the rear entrance to the property from Camellia Terrace. A preliminary evaluation of the changing parking demand throughout the day shows that the available parking spaces in the secured parking area should be sufficient for the needs of the police department. In addition, although the 7 public parking spaces is relatively limited, conversations with Town staff have noted that the proposed Police Services Building is not intended to be a the primary location for the public to do business with the Police Department. Therefore, the 7 parking spaces are anticipated to adequately meet the demand for public parking at the Police Services Building. It is recommended that at least one vehicle on-street vehicular parking space be removed to increase sight distance for vehicles entering and exiting the access locations on Los Gatos Boulevard and Camellia Terrace. A parking space of at least 25 feet should be removed immediately adjacent to the intersection and the curb painted red to prohibit parking. In addition, due to the emergency services nature of Police Services blocking any access location could prohibit the timely response of police officers- Therefore, it is recommended that the Town install a "KEEP CLEAR" legend and stop line at the driveway locations to help prevent vehicles from blocking the intersection during peak traffic periods or other unknown conditions. Pedestrian and Bicycle Access In general, no pedestrian or bicycle access issues were identified with the site or its frontage with Los Gatos Boulevard and Camellia Terrace. The Police Department may consider the installation of a bike rack for its staff who may wish to ride their bike to work. Since this Police Services Building is not intended to serve as a primary location for interacting with public citizens it may not be necessary to provide bike parking for the public. However, if a bike rack is provided for Police Department staff and it is located near the front entrance to the facility it could accessible to public citizens as well but typically it is recommended that these bike racks be located in the most secure areas to prevent vandalism or theft. F;-IT otter rav~cFrl rlf,r ® Kimley-Hom _I=~ and Associates, Inc. Los Gatos Police Services Building Traffic Evaluation, Page 8 SUMMARY OF FINDINGS AND RECOMMENDATIONS The Kimley-Horn traffic evaluation for the Los Gatos Police Services Building Based included the analysis of additional traffic generation, site access and circulation, parking conditions, and pedestrian and bicycle access. A summary of the keys findings and recommendations held herein is included below: 1. Comparing the existing General Office land use with the proposed Police Service Building shows that the Police Services Building is expected to generate 2 additional trips during the AM peak period and 7 additional trips during the PM peak period. These additional trips are were found to add the equivalent of approximately 0.1 second of average delay to the two adjacent traffic signals at the intersections of Blossom Hill Road and Chirco Drive with Los Gatos Boulevard. 2. Comparing the existing General Office land use with the proposed Police Services Building shows that the Police Services Building is expected to generate an additional 6 trips during the Saturday peak period. Saturday traffic volumes on Los Gatos Boulevard were measured in the Fall of 2005 to be approximately 25,000 daily vehicles. The trips generated by the Police Services Building are equivalent to an addition of less than 0.1 percent to the roadway, a level considered less than significant. 3. Installation of a dedicated left-turn entry and exit movement to the site can be accomplished through physical median changes and relocating some turning movements. The Police Department should review the frequency of their need for emergency access to determine the best alternative for an access modification at this location. Although a dedicated entry and exit to the Police Services Building may be preferable for police services, there are alternate existing locations to access the Police Services Building site. 4. A preliminary evaluation of the changing parking demand throughout the day shows that the available parking spaces in the secured parking area should be sufficient for the needs of the police department. In addition, the 7 parking spaces are anticipated to adequately meet the demand for public parking at the Police Services Building. 5. It is recommended that at least one vehicle on-street parking space be removed to increase sight distance for vehicles entering and exiting the access locations on Los Gatos Boulevard and Camellia Terrace. 6. It is recommended that the Town install a "KEEP CLEAR" legend and stop line at the driveway locations to help prevent vehicles from blocking the intersection during peak traffic periods or other congested conditions 7. In general, no pedestrian or bicycle access issues were identified with the site or its frontage with Los Gatos Boulevard and Camellia Terrace. The Police Department may consider the installation of a bike rack for its staff who may wish to ride their bike to work. Thank you again for the opportunity to perform the traffic evaluation for the proposed Los Gatos Police Services Building. Please let us know if you have any further questions. Sincerely yours, KIMLEY-HORN AND ASSOCIATES, INC. Michael C. Mowery, P.E. P.E. Certificate No. C66353 Attachment 9 Development Plans Are available for review in the Clerk Department