Exhibit 15 - Development Planssite plan 1/8" = 1'-0"thornberry family 176 Loma Alta Ave.a-1
Owners
Blake and Jessica Thornberry
176 loma alta avenue
Los gatos 916-833-3234
Particulars
Zone r1-8 non-conforming Avg slope 6.4% apn:532-28-031
Area summary
Site area Far-house = .33
Allowed floor area
*Proposed house
Main level floor area
Upper level floor area
* Above grade floor area
Below grade floor area -this
will not contribute in any way
to mass or bulk of structure
* total floor area
above grade far .39
above grade + below grade far .46
7,435 sf
2,454 sf
1,684.5 sf/58%
1,212.5 sf/42%
2,897.0 sf/100%
521.0 sf
3,418.0 sf
691.0 sf
528.5 sf
528.5 sf
garage area
Far garage = .09
Allowed garagefar
Allowed garagensa
Proposed garage
Building coverage Impervious coverage 2,432.5/ 33% 2,768.5/ 37%
07.09.24
Table of contents
9.30.24
a-1 site plan
a-1.1 neighborhood plan
tr-1 tree protection plan
a-2 main floor plan
a-3 upper floor plan
a-4 basement floor plan
a-5 roof plan
a-6 elevations (ews)
a-7 elevations (n) - section a-a
shw-1 shadow study
c1.1 existing site and demo plan
c2.1 site improvements plan
c2.3 sections and profiles
c3.1 erosion control plan
c3.2 erosion control details
c4.1 construction details
fire sprinklers required per
scc fire conditions of
approval for the project.
09.30.24
BUILDING DEPARTMENT REQUIREMENTS:
1. A separate Building permit will
be required for the Photovoltaic
System. Please add a note to the
cover sheet of the plans stating the
following, “A separate building permit
is required for the PV system that is
required by the California Energy
Code Performance or Prescriptive
standards. The separate PV System
permit must be finaled prior to
issuance of Certificate of Occupancy”.
2. oNE of the requirements of the
Town’s Energy Reach Code is that all
new homes use electricity as the only
source of energy for space heating,
water heating (including pools and
spas), cooking appliances, clothes
drying appliances, and other
features for both interior and
exterior applications. Please remove
all reference to gas appliances and
add a note to the cover sheet of the
plans stating the following, “This
residence will comply with the Town’s
all electric appliance, electric
vehicle and energy storage system
requirements in accordance with Town
Code”.
3. Emergency escape and area
wells must have a horizontal
projection and width of not less than
36”, Sheet C2.1 and C3.1.
11.04.24
EXHIBIT 15
$%&'TYPE:RIM=INV=448.90450.406" ØSDAD #3TYPE:RIM=INV=450.17451.678" ØSDCO #1TYPE:RIM=INV=448.10449.606" ØSDAD #4TYPE:RIM=INV=454.15456.1510" ØSDAD #1TYPE:RIM=INV=453.63456.5010" ØSDAD #2TYPE:RIM=INV=444.25446.25V64SDDI #1DATE: 07/18/24TPZ ELEMENTS DRAWN: B. FIRESTONEISA BOARD CERTIFIEDMASTER ARBORIST #WE-8525BBASE MAP: SITE PLAN C2.1by C2G CIVIL CONSULTANTS GROUP(06/18/2024)ARBORIST REPORT pg. 21TREE PROTECTION ZONE MAP176 LOMA ALTA, LOS GATOS, CAAs required by the Town of Los Gatos:Pruning or root pruning must be supervised by an ISA-certified arborist or an ASCA-Regis-tered Arborist. See Section 29.10.1010 of the Town Code for specifications to determine if a pruning permit is required. Tree protection fencing requirements:1. Six-foot high chain link fencing mounted on two-inch diameter galvanized iron posts shall bedriven into the ground at least two-feet deep at no more than ten-foot spacing. When stipulat-ed, for existing paving areas that will not be demolished, posts may be supported by concrete base.2. Posted eight and one-half-inch by eleven-inch sign on each tree fence stating:“Warning – Tree Protection Zone – This fence shall not be removed and is subject to penalty according to Town Code 29.10.1025”3. Labeled photographs of the installed fencing shall be emailed to the project planner priorto issuance of permits.4. Tree protection fencing is required to remain in place throughout construction. Any pro-tected tree on-site will require replacement according to its appraised value if it is damaged beyond repair as a result of construction.TPZ MAP LEGEND:TREE TO REMAIN TREE ON NEIGHBORS’ PROPERTY / CITY STREET TREETREE PROTECTION FENCINGŶŶϳϴϳϱϳϰϳϳϳϲTPZ NOTE: EXISTING 6’ WOOD FENCE AT PROPERTY LINE TO SERVE AS PROTECTION FOR TREES #85 AND #87.ϴϲϴϴϴϱϴϳϴϵTPZ NOTE: EXISTING 6’ WOOD FENCE AT PROPERTY LINE TO SERVE AS PROTECTION FOR TREE #88.TPZ NOTE: TPZ FENCING MAY NEED TO BE ADJUSTED DURING DEMOLITION OF EXISTING DRIVEWAY. PROMPTLY RESTORE TPZ FENCING TO ORIGINAL LOCATION UPON COMPLETION.OM
thornberry family 176 Loma Alta Ave.a-2
main floor plan 1/4" = 1'-0"
07.09.24
09.30.24
09.30.2411.04.24
thornberry family 176 Loma Alta Ave.a-3
upper floor plan 1/4" = 1'-0"
07.09.24
09.30.24
09.30.24
thornberry family 176 Loma Alta Ave.a-4
basement floor plan 1/4" = 1'-0"
07.09.24
09.30.24
09.30.24
thornberry family 176 Loma Alta Ave.roof plan 1/4" = 1'-0"
07.09.24
a-5
09.30.24
09.30.24
shw-1thornberry family 176 Loma Alta Ave.07.09.24
09.30.24
EXISTING SITE AND
DEMOLITION PLAN1" = 10'C1.1Date:Scale:Drawn:Job:Of SheetsSheet:REVISIONS BY06.18.2024DD/RK9060.01C G /CIVIL CONSULTANTS GROUP, INC.Engineers/Planners
Scotts Valley, CA 950664444 Scotts Valley Drive / Suite 6
831.438.4420
2
THORNBERRY RESIDENCE A123456786176 LOMA ALTA AVENUE, LOS GATOS
APN: 532-38-03112345678 BCDEFABCDEFREMOVE EXISTING BUILDINGREMOVE EXISTING CONCRETEREMOVE EXISTING FENCEREMOVE EXISTING PLANTERDEMOLITION KEY NOTESGENERAL NOTES1. ALL EXISTING IRRIGATION LINES FOUND WITHIN AREAS OF IMPROVEMENT WILL NEED TO BE REMOVED ANDRELOCATED.2. ALL UTILITY VAULTS (NOT NOTED OTHERWISE) FOUND WITHIN AREAS OF IMPROVEMENT WILL NEED TO BE ADJUSTEDTO MATCH PROPOSED FINISH SURFACE ELEVATIONS.3. TREES NOT SHOWN FOR DEMOLITION ON THIS SHEET SHALL BE PROTECTED IN ACCORDANCE WITH THE PROJECTARBORIST REPORT.EXISTING AC TO REMAINEXISTING CONCRETE TO REMAINEXISTING CONCRETE TO BE REMOVEDEXISTING AC TO BE REMOVEDLEGEND:DEMOLITION & SITE PREP. NOTES:THE CONTRACTOR SHALL INCLUDE IN THE BID THE COST OF REMOVING ANY EXISTINGSITE FEATURES AND APPURTENANCES NECESSARY TO ACCOMPLISH THE CONSTRUCTIONOF THE PROPOSED SITE IMPROVEMENTS. THE CONTRACTOR SHALL ALSO INCLUDE IN THEBID THE COST NECESSARY TO RESTORE SUCH ITEMS IF THEY ARE SCHEDULED TO REMAINAS PART OF THE FINAL SITE IMPROVEMENTS. REFER TO PLANS TO DETERMINEEXCAVATION, DEMOLITION AND TO DETERMINE THE LOCATION OF THE PROPOSED SITEIMPROVEMENTS.THE OWNER RESERVES THE RIGHT TO REVIEW ALL MATERIALS DESIGNATED FORREMOVAL AND TO RETAIN OWNERSHIP OF SUCH MATERIALS. IF THE OWNER RETAINS ANYMATERIAL THE CONTRACTOR SHALL MAKE ARRANGEMENTS WITH THE OWNER TO HAVETHOSE MATERIALS REMOVED OFF SITE AT NO ADDITIONAL COST.UNLESS SPECIFICALLY NOTED TO BE SAVED / STOCKPILED (R&S) OR REUSED / RELOCATED(R&R), ALL SITE FEATURES CALLED FOR REMOVAL SHALL BE REMOVED WITH THEIRFOOTINGS, ATTACHMENTS, BASE MATERIAL, ETC, TRANSPORTED FROM THE SITE TO BEDISPOSED OF IN A LAWFUL MANNER AT AN ACCEPTABLE DISPOSAL SITE AND AT NO COSTTO THE OWNER.ALL EXISTING SITE FEATURES TO REMAIN SHALL BE PROTECTED THROUGHOUT THECONSTRUCTION PERIOD. ANY FEATURES DAMAGED DURING CONSTRUCTION OPERATIONSSHALL BE REPAIRED OR REPLACED TO THE SATISFACTION OF THE OWNER'SREPRESENTATIVE AT NO ADDITIONAL COST.DURING EARTHWORK OPERATIONS, CONTRACTOR SHALL TAKE CARE TO NOT DISTURBEXISTING MATERIALS TO REMAIN, OUTSIDE THE LIMITS OF GRADING AND BACKFILL ANDSHALL TAKE WHATEVER MEASURES NECESSARY, AT THE CONTRACTOR'S EXPENSE, TOPREVENT ANY EXCAVATED MATERIAL FROM COLLAPSING. ALL BACKFILL MATERIALS SHALLBE PLACED AND COMPACTED AS SPECIFIED TO THE SUBGRADE REQUIRED FOR THEINSTALLATION OF THE REMAINDER OF THE CONTRACT WORK.IT SHALL BE THE CONTRACTOR'S OPTION, WITH CONCURRENCE OF THE OWNER, TOREUSE EXISTING GRAVEL IF IT MEETS THE REQUIREMENTS OF THE SPECIFICATIONS FORGRAVEL BORROW.ALL ITEMS CALLED FOR REMOVAL SHALL BE REMOVED TO FULL DEPTH INCLUDING ALLFOOTINGS, FOUNDATIONS, AND OTHER APPURTENANCES, EXCEPT AS SPECIFICALLYNOTED OTHERWISE.'CLEAR AND GRUB VEGETATION' SHALL INCLUDE REMOVAL OF GRASS, SHRUBS, ANDUNDERBRUSH, REMOVAL OF ROOTS, ROUGH GRADING, INSTALLATION OF LOAM (IFAPPLICABLE), FINE GRADING, SEEDING AND TURF ESTABLISHMENT BY THE CONTRACTOR.TREES DESIGNATED FOR REMOVAL SHALL BE TAGGED BY CONTRACTOR AND APPROVED BYOWNER'S REPRESENTATIVE PRIOR TO COMMENCEMENT OF CONSTRUCTION.THE STORAGE OF MATERIALS AND EQUIPMENT WILL BE PERMITTED AT LOCATIONSDESIGNATED BY OWNER OR OWNER'S REPRESENTATIVE. PROTECTION OF STOREDMATERIALS AND EQUIPMENT SHALL BE THE SOLE RESPONSIBILITY OF THE CONTRACTOR.STRIP & STORE EXISTING TOPSOIL FOR LATER REUSE WHERE APPROPRIATE, AND ASNOTED ON PLAN, WITH APPROPRIATE EROSION AND SEDIMENT CONTROLS.LOAM / TOP SOIL DESIGNATED FOR REUSE AS GENERAL FILL SHALL BE BLENDED WITHSUITABLE BORROW MATERIAL AS SPECIFIED.THE CONTRACTOR SHALL PROTECT EXISTING TREES TO REMAIN, CONTRACTOR SHALLINSTALL TREE PROTECTION BARRIER AFTER CLEARING UNDERBRUSH AND TAKE DUE CARETO PREVENT INJURY TO TREES DURING CLEARING OPERATIONS.IMPERVIOUS AREAS TO BE REMOVEDDESCRIPTIONAREA (SF)BUILDING1335TOTAL (E) AREA TO BE REMOVED3959663CONCRETENOT USEDREMOVE EXISTING PAVERSREMOVE EXISTING DECKEXISTING PAVERS TO REMAINEXISTING PAVERS TO BE REMOVEDEXISTING DECK TO REMAINEXISTING DECK TO BE REMOVEDHTTPS://WWW.YOUTUBE.COM/WATCH?V=PO2AHZUZIEW&INDEX=4&LIST=RDEMTZWQ9PH1A_JFG1KY9ULMNWREMOVE EXISTING HEDGESAWCUT EXISTING AC PAVEMENT1632PAVERS307DECK22ACUTILITY PROVIDERSWATER:SAN JOSE WATERGAS AND ELECTRIC: PACIFIC GAS & ELECTRICSANITARY SEWER: WEST VALLEY SANITATION DISTRICTSTORM DRAIN SYSTEM: WEST VALLEY CLEAN WATER AUTHORITYTELEPHONE LANDLINES: FRONTIER COMMUNICATIONSCIVIL SHEET INDEXC1.1 - EXISTING SITE/DEMOLITION PLANC2.1 - SITE PLANC2.2 - SECTIONS & PROFILESC3.1- EROSION CONTROL PLANC3.2- EROSION CONTROL DETAILSC4.1 - CONSTRUCTION DETAILS
SITE IMPROVEMENTSPLAN1" = 5'C2.1Date:Scale:Drawn:Job:Of SheetsSheet:REVISIONS BY06.18.2024DD/RK9060.01C G /CIVIL CONSULTANTS GROUP, INC.Engineers/PlannersScotts Valley, CA 950664444 Scotts Valley Drive / Suite 6831.438.44202THORNBERRY RESIDENCEA123456786176 LOMA ALTA AVENUE, LOS GATOSAPN: 532-38-03112345678BCDEFABCDEFNEW IMPERVIOUS AREASDESCRIPTIONAREA (SF)BUILDING 3161CONCRETETOTAL (N) IMPERVIOUS AREAEXISTNG IMPERVIOUS AREA TBRNET INCREASE OF IMPERVIOUS AREASTAIR/PATIO1. NO CHANGE TO THE PLANS SHALL BE PERMITTED WITHOUT PRIOR WRITTEN APPROVAL BY THEOWNER OR OWNERS REPRESENTATIVES AND THE CITY OF CAPITOLA.2. CONTRACTOR SHALL VERIFY LOCATIONS, ELEVATIONS AND INVERTS OF EXISTING UTILITY PRIORTO COMMENCEMENT OF WORK AND SHALL NOTIFY OWNER OR OWNERS REPRESENTATIVES OFVARIANCE FROM THOSE SHOWN ON THE PLANS.3. UNDERGROUND FACILITIES AND UTILITIES HAVE BEEN SHOWN BASED ON RECORD DRAWINGSAND VISIBLE EVIDENCE FOUND IN FIELD. NO WARRANTY IS MADE REGARDING THECOMPLETENESS OR ACCURACY OF SUCH INFORMATION. PRIOR TO CONSTRUCTION, DETERMINETHE EXACT LOCATION OF UNDERGROUND FACILITIES AND UTILITIES, AND PRESERVE SAME FROMDAMAGE. PRIOR TO CONSTRUCTION, VERIFY LOCATION AND ELEVATION OF EXISTINGUNDERGROUND UTILITIES AT THE CROSSING POINTS WITH PROPOSED UTILITIES. THECONTRACTOR SHALL NOTIFY THE OWNER OR OWNERS REPRESENTATIVES IF CONDITIONS DIFFERFROM THOSE SHOWN ON THE DRAWINGS AND SHALL NOT BEGIN CONSTRUCTION UNTIL THECHANGED CONDITION HAS BEEN EVALUATED. CONTACT UNDERGROUND SERVICES ALERT (USA)(1-800-227-2600) TWO (2) WORKING DAYS PRIOR TO DIGGING. REPAIR UNDERGROUNDUTILITIES DAMAGED BY CONSTRUCTION OPERATIONS. CONTRACTOR SHALL BE RESPONSIBLEFOR ANY AND ALL DAMAGES ASSOCIATED WITH CONTRACTOR'S FAILURE TO EXACTLY LOCATEDAND PRESERVE UNDERGROUND FACILITIES AND UTILITIES.4. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL COORDINATION WITH THE APPROPRIATE UTILITYCOMPANIES AND/OR AGENCIES TO VERIFY THE EXISTENCE AND/OR LOCATION OF ALLUNDERGROUND UTILITIES PRIOR TO COMMENCEMENT OF WORK. AND SHALL NOTIFY U.S.A. @(800) 227-2600 AT LEAST 48-HOURS IN ADVANCE OF EXCAVATION.5. IF ANY INDICATIONS OF ARCHEOLOGICAL REMAINS ARE ENCOUNTERED DURING GRADINGACTIVITIES FOR ANY DEVELOPMENT WITHIN THE PROJECT SITE, ALL WORK SHALL BE HALTEDWITHIN 200 FOOT RADIUS OF THE FIND. OWNER SHALL RETAIN A QUALIFIED ARCHEOLOGISTRETAINED TO DETERMINE THE NATURE OF THE DISCOVERY AND RECOMMEND APPROPRIATEEVALUATION PROCEDURES.EXISTING ACEXISTING CONCRETEPROPOSED ACPROPOSED CONCRETEACCONCRETE SIDEWALK SECTION PER DETAIL 1, SHEET C4.1VEHICULAR CONCRETE SECTION PER DETAIL 2, SHEET C4.1RETAINING WALL PER DETAIL 3, SHEET C2.23662791853991395926 LF OF 6" ∅ PVC SDR-35 PIPE @ 2.0% SLOPE72 LF OF 6" ∅ PVC SDR-35 PIPE @ 4.8% SLOPE68 LF OF 6" ∅ PVC SDR-35 PIPE @ 8.7% SLOPE22 LF OF 6" ∅ PVC SDR-35 PIPE @ 3.7% SLOPE33 LF OF 6" ∅ PVC SDR-35 PIPE @ 3.0% SLOPETYPE:RIM=INV=448.90450.406" ØSDAD #3TYPE:RIM=INV=450.17451.678" ØSDCO #132TYPE:RIM=INV=448.10449.606" ØSDAD #4TYPE:RIM=INV=454.15456.1510" ØSDAD #1TYPE:RIM=INV=453.63456.5010" ØSDAD #2TYPE:RIM=INV=444.25446.25V64SDDI #1NOTE: THE EARTHWORK QUANTITIES SHOWN HEREON AREEXCLUSIVE OF WALL FOOTINGS, EXISTING PAVEMENT REMOVAL,AND OVER EXCAVATION AND RECOMPACTION, UTILITY TRENCH SPOILS &SOIL EXPANSION AND CONTRACTION FACTORS. DESCRIPTIONCUT (cu.yds) FILL(cu.yds)NET VOLUME = 397 CU.YDS. OF CUTTHE ABOVE QUANTITIES ARE FOR INFORMATION PURPOSES ONLY.THE CONTRACTOR IS RESPONSIBLE TO PROVIDE THE NECESSARY CUTAND FILL TO ACCOMPLISH FINISH GRADE SHOWN ON THESE PLANS.NET(cu.yds)MAX CUT(ft)HEIGHTMAX FILL(ft)HEIGHT3020 302(C) 10.1095 0 95(C) 7.30 TOTAL 397 0 397(C)BASEMENTGARAGE1. ALL WORK SHALL BE IN ACCORDANCE WITH THE PROJECT'S GEOTECHNICAL REPORT.2. ALL AREAS TO RECEIVE FILL SHALL BE STRIPPED TO A DEPTH TO BE DETERMINED BY THEGEOTECHNICAL ENGINEER. ANY (E) A.C. OR P.C.C. PAVING SHALL BE SCARIFIED & REMOVED &SUBGRADE PREPARED & COMPACTED AS SHOWN IN THESE PLANS.3. ALL MATERIAL TO BE USED AS FILL WITHIN BUILDING PAD AREAS & PARKING OR DRIVEWAYAREAS TO BE FREE OF ALL VEGETATION & FOREIGN MATTER AND SHALL BE APPROVED BY THEGEOTECHNICAL ENGINEER.4. ALL BUILDING PADS TO BE COMPACTED TO 90% RELATIVE COMPACTION; DRIVEWAY & STREETAREAS TO BE COMPACTED TO 95% RELATIVE COMPACTION PER ASTM D1557 MOST RECENTEDITION.5. BUILDING PAD TO BE LEVEL SIDE-TO-SIDE, FRONT-TO-REAR, UNLESS OTHERWISE SHOWN.6. STRIPPINGS MAY BE PLACED IN PLANTING AREAS; ALL EXCESS STRIPPING SHALL BE HAULEDOFF. PAVING DEBRIS SHALL BE HAULED OFF TO AN APPROVED DISPOSAL SITE.7. ALL WORK SHOWN OR NOTED IN THESE PLANS SHALL BE IN STRICT ACCORDANCE WITH THERECOMMENDATIONS OF THE GEOTECHNICAL ENGINEER, ALL LOCAL, STATE AND FEDERALMINIMUM STANDARDS AND THE LATEST EDITION OF THE UNIFORM BUILDING CODE.8. CONTRACTOR SHALL PROTECT ALL EXISTING SITE IMPROVEMENTS NOT IDENTIFIED FORREMOVAL DURING CONSTRUCTION. CONTRACTOR SHALL REPAIR ANY DAMAGE TO AS-NEWCONDITION AT THEIR SOLE EXPENSE.9. CONTRACTOR SHALL VERIFY ALL EXISTING SITE CONDITIONS, SITE DIMENSIONS AND GRADESPRIOR TO THE START OF CONSTRUCTION.10. ALL GRADING AND RELATED WORK SHALL BE PERFORMED IN ACCORDANCE WITH THESTANDARD REQUIREMENTS OF THE TOWN OF LOS GATOS.11. GRADING SLOPES FOR BOTH CUT AND FILL SHALL NOT EXCEED 2(H):1(V) UNDER 5-FEET INHEIGHT. GRADING SLOPES GREATER THAN 5-FEET IN HEIGHT SHALL NOT EXCEED 3(H):1(V),UNLESS OTHERWISE DIRECTED BY THE GEOTECHNICAL ENGINEER.12. ALL SOFTSCAPE GRADES ADJACENT TO (N) BUILDINGS SHALL BE 8" (MIN.) BELOW FINISHFLOOR.13. CONTRACTOR SHALL GRADE TO ENSURE DRAINAGE FLOWS AWAY FROM (N) BUILDINGS.14. ALL EXCESS EARTHWORK SHALL BE PLACED ON SITE AT AN APPROVED LOCATION.TOTAL AREA OF DISTURBANCE6071.82 SFNOTE: THE EARTHWORK QUANTITIES SHOWN HEREON AREEXCLUSIVE OF WALL FOOTINGS, EXISTING PAVEMENT REMOVAL,AND OVER EXCAVATION AND RECOMPACTION, UTILITY TRENCH SPOILS &SOIL EXPANSION AND CONTRACTION FACTORS. DESCRIPTIONCUT (cu.yds) FILL(cu.yds)NET VOLUME = 49 CU.YDS. OF CUTTHE ABOVE QUANTITIES ARE FOR INFORMATION PURPOSES ONLY.THE CONTRACTOR IS RESPONSIBLE TO PROVIDE THE NECESSARY CUTAND FILL TO ACCOMPLISH FINISH GRADE SHOWN ON THESE PLANS.NET(cu.yds)MAX CUT(ft)HEIGHTMAX FILL(ft)HEIGHTDVWY/YARD/GROTTO & LIGHT WELL47 2 49(C) 4.31.6
445450455460465445450455460465435440445450455460465435440445450455460465STA:0+00.00ELEV:449.57STA:0+11.25ELEV:449.57STA:0+20.25ELEV:448.23STA:0+26.25ELEV:446.89STA:0+28.17ELEV:446.22STA:0+00.00ELEV:444.55STA:0+28.12ELEV:444.55 STA:0+18.00ELEV:448.90STA:0+22.50ELEV:447.56
SECTIONS AND
PROFILES
1" = 5'C2.2Date:Scale:Drawn:Job:Of SheetsSheet:REVISIONS BY06.18.2024DD/RK9060.01C G /CIVIL CONSULTANTS GROUP, INC.Engineers/Planners
Scotts Valley, CA 950664444 Scotts Valley Drive / Suite 6
831.438.4420
2
THORNBERRY RESIDENCE A123456786176 LOMA ALTA AVENUE, LOS GATOS
APN: 532-38-03112345678 BCDEFABCDEFScale: 1:5MAIN RESIDENCE SECTION 11Scale: 1:5MAIN RESIDENCE SECTION 22Scale: 1:5WALL PROFILE3KEYSTONE BLOCKS (TYP)SEEINSTALL ALLANBLOCK CAP @ TW(TYP)4" CAPSEE ARCHITECTURALDRAWINGS FOR INFOSEE ARCHITECTURALDRAWINGS FOR INFO
EROSION CONTROLPLAN1" = 5'C3.1Date:Scale:Drawn:Job:Of SheetsSheet:REVISIONS BY06.18.2024DD/RK9060.01C G /CIVIL CONSULTANTS GROUP, INC.Engineers/PlannersScotts Valley, CA 950664444 Scotts Valley Drive / Suite 6831.438.44202THORNBERRY RESIDENCEA123456786176 LOMA ALTA AVENUE, LOS GATOSAPN: 532-38-03112345678BCDEFABCDEFSILT FENCEFIBER ROLLSILT FENCEINLET PROTECTIONFIBER ROLLSANITARY FACILITYMATERIALS &EQUIPMENTSTOCKPILE AREAROCKEDCONSTRUCTIONENTRANCE
EROSION CONTROL
DETAILS
NTSC3.2Scale: NTSFIBER ROLLS12" MIN4" MAX12"MINLOCATE FIBER ROLLS ON LEVEL CONTOURS SPACED ASFOLLOWS:- SLOPE INCLINATION OF 4 :1 (H:V) OR FLATTER: FIBER ROLLSSHOULD BE PLACED AT A MAXIMUM INTERVAL OF 20 FT.- SLOPE INCLINATION BETWEEN 4:1 AND 2:1 (H:V) FIBERROLLS SHOULD BE PLACED AT A MAXIMUM INTERVAL OF 15 FT.(A CLOSER SPACING IS MORE EFFECTIVE).- SLOPE INCLINATION OF 2:1 (H:V) OR GREATER: FIBERROLLS SHOULD BE PLACED AT A MAXIMUM INTERVAL OF 10 FT.(A CLOSER SPACING IS MORE EFFECTIVE).- TURN THE ENDS OF THE FIBER ROLL UP SLOPE TO PREVENTRUNOFF FROM GOING AROUND THE ROLL. STAKE FIBER ROLLSINTO A 2 TO 4 IN. DEEP TRENCH WITH A WIDTH EQUAL TOTHE DIAMETER OF THE FIBER ROLL.- DRIVE STAKES AT THE END OF EACH FIBER ROLL ANDSPACED 4 FT MAXIMUM ON CENTER.- USE WOOD STAKES WITH A NOMINAL CLASSIFICATION OF0.75 BY 0.75 IN. AND A MINIMUM LENGTH OF 24 IN.- IF MORE THAN ONE FIBER ROLL IS PLACED IN A ROW, THEROLLS SHOULD BE OVERLAPPED, NOT ABUTTED. REPAIR ORREPLACE SPLIT, TORN, UNRAVELING OR SLUMPING FIBERROLLS.IF THE FIBER ROLL IS USED AS A SEDIMENTCAPTURE DEVICE, OR AS AN EROSIONCONTROL DEVICE TO MAINTAIN SHEETFLOWS, SEDIMENT THAT ACCUMULATES INTHE BMP MUST BE PERIODICALLY REMOVEDIN ORDER TO MAINTAIN BMPEFFECTIVENESS. SEDIMENT SHOULD BEREMOVED WHEN SEDIMENT ACCUMULATIONREACHES ONE-HALF THE DESIGNATEDSEDIMENT STORAGE DEPTH, USUALLYONE-HALF THE DISTANCE BETWEEN THETOP OF THE FIBER ROLL AND THE ADJACENTGROUND SURFACE. SEDIMENT REMOVEDDURING THE MAINTENANCE MAY BEINCORPORATED INTO EARTHWORK ON THESITE OR DISPOSED AT AN APPROPRIATELOCATION.CONSTRUCTION SPECIFICATIONSVERTICAL SPACINGMEASURED ALONGTHE FACE OF THESLOPE VARIESBETWEEN 10' AND20'NOTE: INSTALLFIBER ROLL ALONGA LEVEL CONTOURINSTALL A FIBERROLL NEAR SLOPEWHERE ITTRANSITIONS INTOA STEEPER SLOPE4' MAX4' MAX4' MAX4' MAXFIBERROLLSSLOPEVARIESFIBER ROLL8" ∅ MIN3/4"X3/4"WOODSTAKESPONDING HT.STANDARD DETAILTRENCH WITH NATIVE BACKFILLSTEEL ORWOOD POST12" MIN.FLOWFLOWRUNOFF8"GRAVEL FLOW9" MAX. STORAGE HT.12" MIN.(RECOMMENDED)RUNOFFALTERNATE DETAILTRENCH WITH GRAVELPONDING HT.THE HEIGHT OF A SILT FENCE SHALL NOT EXCEED 36 INCHES. STORAGE HEIGHT SHALLNEVER EXCEED 18". THE FENCE LINE SHALL FOLLOW THE CONTOUR AS CLOSELY ASPOSSIBLE.IF POSSIBLE, THE FILTER FABRIC SHALL BE CUT FROM A CONTINUOUS ROLL TO AVOID THEUSE OF JOINTS. WHEN JOINTS ARE NECESSARY, FILTER CLOTH SHALL BE SPLICED ONLY ATA SUPPORT POST, WITH A MINIMUM 6-INCH OVERLAP AND BOTH ENDS SECURELYFASTENED TO THE POST.POSTS SHALL BE SPACED A MAXIMUM OF 10 FEET APART AND DRIVEN SECURELY INTO THEGROUND (MINIMUM OF 12 INCHES). WHEN EXTRA STRENGTH FABRIC IS USED WITHOUTTHE WIRE SUPPORT FENCE, POST SPACING SHALL NOT EXCEED 6 FEET. TURN THE ENDS OFTHE FENCE UPHILL.A TRENCH SHALL BE EXCAVATED APPROXIMATELY 4 INCHES WIDE AND 6 INCHES DEEPALONG THE LINE OF POSTS AND UPSLOPE FROM THE BARRIER.WHEN STANDARD-STRENGTH FILTER FABRIC IS USED, A WIRE MESH SUPPORT FENCESHALL BE FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING HEAVY DUTYWIRE STAPLES AT LEAST 1 INCH LONG, TIE WIRES OR HOG RINGS. THE WIRE SHALLEXTEND INTO THE TRENCH A MINIMUM OF 2 INCHES AND SHALL NOT EXTEND MORE THAN36 INCHES ABOVE THE ORIGINAL GROUND SURFACE.THE STANDARD-STRENGTH FILTER FABRIC SHALL BE STAPLED OR WIRED TO THE FENCE,AND 6 INCHES OF THE FABRIC SHALL EXTEND INTO THE TRENCH. THE FABRIC SHALL NOTEXTEND MORE THAN 36 INCHES ABOVE THE ORIGINAL GROUND SURFACE. FILTER FABRICSHALL NOT BE STAPLED TO EXISTING TREES.WHEN EXTRA-STRENGTH FILTER FABRIC AND CLOSER POST SPACING ARE USED, THE WIREMESH SUPPORT FENCE MAY BE ELIMINATED. IN SUCH A CASE, THE FILTER FABRIC ISSTAPLED OR WIRED DIRECTLY TO THE POSTS.THE TRENCH SHALL BE BACKFILLED AND THE SOIL COMPACTED OVER THE TOE OF THEFILTER FABRIC.SILT FENCES PLACED AT THE TOE OF A SLOPE SHALL BE SET AT LEAST 6 FEET FROM THETOE IN ORDER TO INCREASE PONDING VOLUME.SILT FENCES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUTNOT BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED, AND ANYSEDIMENT STORED BEHIND THE SILT FENCE HAS BEEN REMOVED.INSPECTION AND MAINTENANCESILT FENCES AND FILTER BARRIERS SHALL BE INSPECTED WEEKLY AND AFTER EACHSIGNIFICANT STORM (1" IN 24 HR.). ANY REQUIRED REPAIRS SHALL BE MADEIMMEDIATELY. SEDIMENT SHALL BE REMOVED WHEN IT REACHES 1/3 HEIGHT OF THEFENCE OR 9 INCHES MAXIMUM.THE REMOVED SEDIMENT SHALL VEGETATE OR OTHERWISE STABILIZED.Scale: NTSSILT FENCE2FILTER FABRICEXTRA STRENGTHNEEDED MESHSUPPORT WITHOUTWIRENOTE:1. INSPECT AND REPAIR FENCE AFTER EACH STORM EVENT AND REMOVESEDIMENT WHEN NECESSARY.2. REMOVED SEDIMENT SHALL BE DEPOSITED AT AN AREA THAT WILL NOTCONTRIBUTE SEDIMENT OFF-SITE AND CAN BE PERMANENTLY STABILIZED.3. SILT FENCE SHALL BE REPLACED ON SLOPE CONTOURS TO MAXIMIZE PONDINGEFFICIENCY.FILTER FABRICATTACH SECURELYTO UPSTREAMSIDE OF POST.WOOD POST36" HIGH MAX4"x6" TRENCHWITH COMPACTEDBACKFILL10 FT MAX SPACING WITHWIRE SUPPORT FENCE 6FT MAX SPACING WITHOUTWIRE SUPPORT FENCECONSTRUCTION SPECIFICATIONSScale: NTSFILTREX® INLET PROTECTION3DRAIN INLET SECTIONDRAIN INLET PLANNOTES:1. ALL MATERIAL TO MEET FILTREXX® SPECIFICATIONS.2. FILTER MEDIA™ FILL TO MEET APPLICATION REQUIREMENTS.3. COMPOST MATERIAL TO BE DISPERSED ON SITE, AS DETERMINED BY ENGINEER.4. CONTRACTOR SHALL EXTEND MIRAFI 140N FABRIC 6" BEYOND CATCH BASINAFTER PLACEMENT OF GRATE5. CONTRACTOR SHALL REMOVE ALL FILTER FABRIC FROM ALL STORM DRAIN INLETSUPON COMPLETION OF PROJECTFILTREXX® 8" SOXX™CATCHBASINMIRAFI 140N FILTER FABRICSTORM GRATEWIRE TIES, (TYP.)EROSION CONTROL BMP'S’Scale: NTSSTABILIZED CONSTRUCTION ENTRANCE (ST-250)4Date:Scale:Drawn:Job:Of SheetsSheet:REVISIONS BY06.18.2024DD/RK9060.01C G /CIVIL CONSULTANTS GROUP, INC.Engineers/Planners
Scotts Valley, CA 950664444 Scotts Valley Drive / Suite 6
831.438.4420
2
THORNBERRY RESIDENCE A123456786176 LOMA ALTA AVENUE, LOS GATOS
APN: 532-38-03112345678 BCDEFABCDEFPROJECTSIZE< 1/4 ACRE< 1 ACRE< 3 ACRE> 3 ACRELENGTH OFCRUSHED ROCK3050100100ATB00050(SEE NOTE 2)ECGEOTEXTILE FABRICUNDER QUARRY SPALLSD APLAN6"AVARIESTYPICALCEX. ROADPROVIDE FULL WIDTH OFINGRESS/EGRESS AREARIGHT OF WAY15' MIN
EP
PUBLIC ROAD4" CRUSHED ROCK WITH GEOTEXTILE MATERIAL UNDERNEATH.THE MINIMUM LENGTH SHALL BE LENGTHENED AS NECCESARY TO ENSURE MATERIAL IS NOT TRACKED INTO THE PUBLICRIGHT-OF-WAY. ALTERNATIVE CONSTRUCTION ENTRANCES WILL BE ALLOWED WITH THE APPROVAL OF THE CITY ENGINEERON A CASE BY CASE BASIS, WHERE PHYSICAL SITE CONDITIONS AND SIZE DICTATE.ATB DRIVEWAY RAMP, OR SITE ACCESS ROAD 20' WIDE MIN. SEE TABLE ABOVE FOR REQUIRED LENGTH.INSTALL ORANGE BARRIER FENCE TO DIRECT TRAFFIC ONTO CONSTRUCTION ENTRANCE.INSTALL A 12" MIN. DIA. CULVERT IF A ROADSIDE DITCH IS PRESENT.NOTES:1. SURFACE WATER - ALL SURFACE WATER FLOWING OR DIVERTED TOWARD CONSTRUCTION ENTRANCES SHALL BE PIPED ACROSSTHE ENTRANCE. IF PIPING IS IMPRACTICAL, A MOUNTABLE BERM WITH 5:1 SLOPES WILL BE PERMITTED2. MAINTENANCE - THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWING OFSEDIMENT ONTO PUBLIC RIGHT-OF-WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING AND REPAIR AND/OR CLEAN-OUT OFANY MEASURES USED TO TRAP SEDIMENT. ALL SEDIMENT SPILLED, DROPPED, WASHED OR TRACKED ONTO PUBLICRIGHT-OF-WAY MUST BE REMOVED IMMEDIATELY.3. WHEELS SHALL BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTRANCE ONTO PUBLIC RIGHT-OF-WAY. WHEN WASHING ISUSED, IT SHALL BE DONE ON AN AREA STABILIZED WITH STONE AND WHICH DRAINS INTO AN APPROVED SEDIMENT TRAPPINGDEVICE.4. PERIODIC INSPECTION AND NEEDED MAINTENANCE SHALL BE PROVIDED AFTER EACH RAIN.
CONSTRUCTION
DETAILS
NTSC4.1Scale: NTSCONCRETE SIDEWALK SECTION1(N) 4" THICK CONCRETE SLAB(2,500 PSI)FGSUBGRADE @ 95%RELATIVE COMPACTION4" THICK CLASS IIAGGREGATE BASE ROCK#4 REBAR @ 24" OC EWCHRISTYORDERINGCODEV64BOXV64-71CV64X6 ExtensionITEMDrain BoxGrate6" Reinforced Concrete - 24 per palletV64 Drain Box (18-3/8"x 18-3/8")-12 per palletADA COMPLIANT, Square, Cast Iron, 1/2" MAX GRATE OPENINGDESCRIPTIONV64X12 Extension 12" Reinforced Concrete - 12 per palletV64-71CGRATETHIS CONCRETE DRAIN BOX HAS A CAST-IN GALVANIZEDFRAME AND IS SPECIFICALLY ENGINEERED FOR DRAINAGE INMEDIUM AREAS SUCH AS PARKING LOTS, SCHOOL GROUNDS,WALKWAYS, ETC. ITS DESIGN PERMITS FINAL GRADINGMATERIAL TO "LOCK IN" & FINISH CLEAN. KNOCK-OUTSACCOMMODATE UP TO 8" O.D. PIPE. APPROXIMATEDIMENSIONS SHOWN.EXTENSIONDRAIN BOXScale: NTSV64 CHRISTY BOX 22"x22" STORM DRAIN INLET322"22"12"12"9-1/2"1-3/4"6" or 12"15-7/8"15-7/8"3/4"6-1/4"1/2"MAX18-3/8"18-3/8"11"16"16"6-1/2"GRATE OPENING NOTE:GRATES LOCATED IN THE PEDESTRIANWAY SHALL HAVE MAXIMUM 1/2-INCHWIDE OPENINGS AND NOT ALLOWPASSAGE OF 1/2" DIAMETER SPHERE.BASE NOTE:CONTRACTOR SHALL POUR CONCRETE BASE. BASE SHALL BEMINIMUM 4" THICK AND EXTEND A MINIMUM OF 2" FROM OUTEREDGE OF DRAINAGE STRUCTURE. DRAINAGE STRUCTURE SHALLBE GROUTED TO CONCRETE BASE FOR WATER TIGHT SEALPLUG12"4" MIN.12"CLASS "B" CONCRETELONG RADIUS 1/8 BENDRISER SAME AS MAIN6" MIN.12" MIN.PROVIDE RUBBER EXPANSION PLUG ASSHOWN. (FOR SEWER ONLY)FREE-RESTING CAPOVER OPENING.MATERIAL TO BE SAMEAS RISER.PEA GRAVEL6" MIN.16" MIN. DIA. COLLARCHRISTY G5 BOX OR APPROVED EQUAL.COVER MARKED WITH "STORM".FGWYE FITTINGScale: NTS4" STORM DRAIN CLEANOUT4PVC SDR 35 PIPEMEDIUM BROOM FINISH#4 @ 12" O.C.BOTH DIRECTIONS6" AB MIN. BELOW CONC.6"12"6"NOTE:1. TYPE OF CONCRETE: CLASS A2. MINIMUM 6" CLASS 2 AB, COMPACTED AT 95% RELATIVE COMPACTION.3. SEE LANDSCAPE PLAN FOR LOCATION OF SCORING AND EXPANSION JOINTS.4. DOWEL WITH #4 BARS, 24" LONG, AT 18" ON CENTERS, EMBEDDED 12" WITHEPOXY IN EDGE OF EXISTING CONCRETE.5. DOWELING & REINFORCING TO BE PROVIDED AT JOINTS. SEE LANDSCAPE PLANS6. REFER TO DETAIL 5/S0.12 FOR CONCRETE REINFORCEMENT DETAILS &DEVELOPMENT LENGTHS6"Scale: NTSVEHICULAR CONCRETE SECTION212" AB MIN. BELOW CONC.SUBGRADE SHALL BE SCARIFIED ANDRECOMPACTED AT 95% RELATIVE COMPACTION6"Date:Scale:Drawn:Job:Of SheetsSheet:REVISIONS BY06.18.2024DD/RK9060.01C G /CIVIL CONSULTANTS GROUP, INC.Engineers/Planners
Scotts Valley, CA 950664444 Scotts Valley Drive / Suite 6
831.438.4420
2
THORNBERRY RESIDENCE A123456786176 LOMA ALTA AVENUE, LOS GATOS
APN: 532-38-03112345678 BCDEFABCDEFSectionLeveling Pad DetailW6"W + 12"Elevation6" Crushed Rock orUnreinforced ConcreteLeveling Pad8" or 16"Step Note:1. The leveling pad is to be constructed of crushed stone or 2000 psi ± unreinforced concrete.1/2" x 5 1/4"Fiberglass PinsFront FaceTop of Wall Steps(2) - 4" Cap Units or(1) - 8" Cap UnitNote:1. Secure all cap units with Keystone Kapseal or equal.Compac UnitCompac ElevationCompac PlanCap Unit ElevationCap Unit Plan12" ±18"8"
4"18"10 12" ±3-Plane Split Cap Unit8" KeystoneUnit4" Cap UnitGeogrid Installation on CurvesH / 2H / 2Note:1. Check with manufacturer specifications on correct direction of orientation for geogrid to obtain proper strength.3" of Soil Fill is Required BetweenOverlapping Geogrid for ProperAnchorage (Typ.)Place Additional Pieces of GeogridWhen Angle Exceeds 20°Drainage Fill20°Additional Drainage FillExtend Wall Height / 2Geogrid Installation at CornersNote:1. Check with manufacturer specifications on correct direction of orientation for geogrid to obtain proper strength.2. Corner units recommended for outside corners. Availability May Vary.H / 4H / 4H / 2H / 2 Additional Drainage FillExtend Wall Height / 23" of Soil Fill is Required BetweenOverlapping Geogrid for ProperAnchorage (Typ.)Additional Geogrid OverlapExtend Wall Height / 4Drainage FillScale: NTSKEYSTONE RETAINING WALL TYPICAL DETAIL9H
WALL HEIGHT
GEOGRIDKEYSTONEWALL HEIGHT
H
TMGEOGRIDKEYSTONEWALL HEIGHT
H
TMCASE ACASE BCASE CLfg= 32°= 125 pcfq = 100 psf12BASIC GEOGRID PLACEMENT CHART *TYPICAL WALL SECTION TERMSTOPSOILCOMPACTEDREINFORCEDBACKFILL ZONEfgRETAINED BACKFILLfgL24"eMINIMUM AUTOMATIC SETBACK1/4" PER COURSEKEYSTONE CAP UNIT4"H x 18W x 12"DLaCRITICALFAILURE PLANESBEING ANALYZEDGEOGRIDREINFORCEMENTATTACHED TOINTERLOCKINGFIBERGLASS PINSAT KEYSTONE UNITDRAINING GRANULARCOMPACTED BASEAND BACKFILLFOUNDATION SOILfgwThhHwirf45°-2He12"Lfg= 32°= 125 pcfLfg= 32°= 125 pcfScale: NTSAREA DRAIN - 6" TERMINAL DRAIN810"±7-1/2"±FINISHEDGRADEELEV PERPLANSGRATE10" x 6" PVC BODY10" PVC INLINENYLOPLAST ORAPP'D SUBSTITUTEWATERTIGHT ADAPTER6" DOUBLE WALLHDPE PIPEWATER TIGHT COUPLERS11-1/4"±AS REQUIRED6"±INVERT10" OR 12" DOUBLE WALLHDPE PIPE (SEE PLANS FOR SPECIFIC SIZE)(TYPICAL)GRATES1/2" MAX INDIRECTIONOF TRAVELFLOWScale: NTSAREA DRAIN - 10" INLINE DRAIN5NOTE: ALL GRATES IN SIDEWALKS OR OTHERCONCRETE SURFACES SHALL BE STANDARD,LIGHT-DUTY BRONZE WITH LOCKING BAR. ALL OTHERGRATES SHALL BE STANDARD LIGHT-DUTY CAST IRONWITH LOCKING BAR.SEE DETAIL 9 ON THIS SHEET FOR CONCRETE COLLARREQUIREMENTSGRATES1/2" MAX INDIRECTIONOF TRAVELNOTE: ALL GRATES IN SIDEWALKS OR OTHERCONCRETE SURFACES SHALL BE STANDARD,LIGHT-DUTY BRONZE WITH LOCKING BAR. ALL OTHERGRATES SHALL BE STANDARD LIGHT-DUTY CAST IRONWITH LOCKING BAR.SEE DETAIL 9 ON THIS SHEET FOR CONCRETE COLLARREQUIREMENTS10"±6-1/2"±FINISHEDGRADEELEV PERPLANSGRATE10" x 6" PVC BODY10" PVC INLINENYLOPLAST ORAPP'D SUBSTITUTEWATERTIGHT ADAPTER6" DOUBLE WALLHDPE PIPESNAP COUPLERS (TYPICAL)90° ELBOW11-1/4"±AS REQUIREDINVERTFLOW"D"TO PREVENT ROTATIONENCASE ELBOW IN A6" CONCRETE FOOTINGD = DEPTH PER PLANGRATES1/2" MAXIN DIRECTIONOF TRAVELScale: NTSAREA DRAIN - 10" TERMINAL DRAIN6NOTE: ALL GRATES IN SIDEWALKS OR OTHER CONCRETESURFACES SHALL BE STANDARD, LIGHT-DUTY BRONZEWITH LOCKING BAR. ALL OTHER GRATES SHALL BESTANDARD LIGHT-DUTY CAST IRON WITH LOCKING BAR.FINISHEDGRADE6"±ELEV PER PLANSGRATE10" x 6" PVC BODYWATER TIGHT ADAPTER8" PVC INLINENYLOPLAST OFAPP'D SUBSTITUTE6" SINGLE WALL HDPE PIPE5-1/4"9"AS REQ'DSNAP COUPLER6" MAX.REDUCER WHERE PIPESIZE CHANGE ISINDICATED ON PLANSTEEVARIES 9" ± TO 20" ±INVERTFLOWScale: NTSAREA DRAIN - 6" INLINE DRAIN7GRATES1/2" MAX INDIRECTIONOF TRAVEL