Attachment 09•
VICINITY MAP
NO SCALE
LEGEND AND NOTES
ETC
x
SS
IIIII
O EM
FF
FL
❑ GM
INV
RP oSSCO
OSSMH
°SDMH
TC
TOS
VCP
❑ WM
D4 WV
X�
°
4
°
.4 4 ..
W •' 4'
W W W •Y
4'
0 5 10
BOUNDARY LINE
ELECTRICAL/TELEPHONE/
CABLE TV OVERHEAD LINE
- - - EASEMENT
FENCE LINE
SANITARY SEWER LINE
BENCHMARK
CB CATCH BASIN
ELECTRICAL METER
FINISH FLOOR
FIRE HYDRANT
FLOW LINE
GAS METER
INVERT
JOINT POLE
ROOF PEAK
SANITARY SEWER CLEAN -OUT
SANITARY SEWER MANHOLE
STORM DRAIN MANHOLE
STREET SIGN
TOP OF CURB
TOP OF SLAB
VITRIFIED CLAY PIPE
WATER METER
WATER VALVE
SPOTGRADE
ASPHALT
BRICK
CONCRETE
GRAVEL
LAWN
20
SCALE: 1" = 10'
ETC
NOTES
ALL DISTANCES AND DIMENSIONS ARE
IN FEET AND DECIMALS.
UNDERGROUND UTILITY LOCATION IS
BASED ON SURFACE EVIDENCE.
ETC
BUILDING FOOTPRINTS ARE SHOWN TO
FINISHED MATERIAL (STUCCO/SIDING)
AT GROUND LEVEL.
FINISH FLOOR ELEVATIONS ARE TAKEN
AT DOOR THRESHOLD (EXTERIOR).
•
ETC
•
°
CONCRETE.. CURB.•
�/p'��
LOOT 2
TRACT HO. 3003
ETC
NEIGHBORING
HOUSE
RP=358.24
ETC
EASEMENT NOTE
EASEMENTS SHOWN PER POLICY OF TITLE
INSURANCE ISSUED BY CHICAGO TITLE
INSURANCE COMPANY, POLICY NO. FWPS-
2983170011, DATED MAY 12, 2017 AND PER
TRACT NO. 3003, 136 MAPS 40.
°
❑ ❑
WM
W
4
4 '
•Y •V 1Y\ W 4' J- ' 4' •Y ' W \
W W._W__. W. ._'
W - W..,-, �jy •Y �Y W w S �.'� W W
STAMP' [ 167.53'09"E
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W W �t •Y W EY
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W W
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* (136 M
W W j/ y
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TOP 452.94
4, / 4'
1.4'
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334.1
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LOT 3
TRACT KO. 3003
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//////////////////
330.92 331.49
/J 331.31
ONE-STORY
WOOD/STUCCO
HOUSE
RP=346.18
331.85
/ / /z c///// // FF /
331.31
331.22
330.87 330.74
44 CON.CRE°TEE. ad TOS
4 %
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1 3' WOOD 331 N
'RE-TA_INII�G-WACL
CON RETE \
STEPS - -333
°
25.0' LIGHT AND
AIR EASEMENT
(136 M 40)
GARAGE
TOS=330.65
330.52 330.57
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33. .. 330.73 °
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--- X-
\ 6' WOOD FENCE N67"53'09"E \ 100.00' 332.9x-
),
' \ 332.52,
333.2 /� \r 333.0 `\-:\ ,-- \
\ \
1
4
LOT 4
TRACT NO. 3003 NEIGHBORING
HOUSE
136 [Ml 40 RP=350.56
BENCHMARK
CITY OF LOS GATOS BENCHMARK LG#24
SET BRASS DISK IN MONUMENT WELL STAMPED
"LG#24" AT THE INTERSECTION OF BLOSSOM
HILL ROAD AND CAMINO DE CERRO.
ELEVATION = 348.83'
(NAVD 88 DATUM)
- SITE BENCHMARK
SURVEY CONTROL POINT
MAG AND SHINER SET IN ASPHALT
ELEVATION = 329.28'
(NAVD 88 DATUM)
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330:
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TC=326.47
RIM=325.72
V=322.22
LEA & BRAZE ENGINEERING, INC.
SURVEYORS
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SANTA CLARA COUNTY
PI
(24
REVISIONS
BY
JOB NO: 2170481
DATE:
6-12-17
SCALE:
1" = 10'
FIELD BY: EH
DRAWN BY: DDR/DB
SHEET NO:
Nt.„,
sup
1 OF 1 SHEETS,/
GRADING & DRAINAGE NOTES:
NOTE: THIS DRAWING IS APPROVED SUBJECT TO:
1. ALL GRADING IS SUBJECT TO OBSERVATION BY THE CITY. PERMITTEE OR
REPRESENTATIVE SHALL NOTIFY THE CITY OF LOS GATOS DEPARTMENT OF PUBLIC
WORKS PROJECT INSPECTOR AT LEAST 48 HOURS BEFORE START OF ANY
GRADING.
2. APPROVAL OF THIS PLAN APPLIES ONLY TO (A) THE EXCAVATION, PLACEMENT,
AND COMPACTION OF NATURAL EARTH MATERIALS, (B) THE INSTALLATION OF
ON -SITE (I.E. PRIVATE PROPERTY) STORM WATER CONVEYANCE AND TREATMENT
FACILITIES THAT ARE OUTSIDE OF THE 5-FOOT BUILDING ENVELOPE, AND (C)
THE INSTALLATION OF RETAINING STRUCTURES. THIS APPROVAL DOES NOT
CONFER ANY RIGHTS OF ENTRY TO EITHER PUBLIC PROPERTY OR THE PRIVATE
PROPERTY OF OTHERS. APPROVAL OF THIS PLAN ALSO DOES NOT CONSTITUTE
APPROVAL OF ANY IMPROVEMENTS WITH THE EXCEPTION OF THOSE LISTED
ABOVE. PROPOSED IMPROVEMENTS, WITH THE EXCEPTION OF THOSE LISTED
ABOVE, ARE SUBJECT TO REVIEW AND APPROVAL BY THE RESPONSIBLE
AUTHORITIES AND ALL OTHER REQUIRED PERMITS SHALL BE OBTAINED.
3. UNLESS OTHERWISE NOTED ON THE PLAN, ANY DEPICTION OF A RETAINING
STRUCTURE ON THIS PLAN SHALL NOT CONSTITUTE APPROVAL FOR
CONSTRUCTION OF THE RETAINING STRUCTURE UNLESS A SEPARATE STRUCTURAL
REVIEW, BY THE DEPARTMENT OF PUBLIC WORKS IS COMPLETED AND APPROVED.
4. IT SHALL BE THE RESPONSIBILITY OF THE PERMITTEE OR AGENT TO IDENTIFY,
LOCATE AND PROTECT ALL UNDERGROUND FACILITIES.
5. THE PERMITTEE OR AGENT SHALL MAINTAIN THE STREETS, SIDEWALKS AND ALL
OTHER PUBLIC RIGHTS -OF -WAY IN A CLEAN, SAFE AND USABLE CONDITION.
ALL SPILLS OF SOIL, ROCK OR CONSTRUCTION DEBRIS SHALL BE REMOVED
FROM THE PUBLICLY OWNED PROPERTY DURING CONSTRUCTION AND UPON
COMPLETION OF THE PROJECT. ALL ADJACENT PROPERTY, PRIVATE OR PUBLIC
SHALL BE MAINTAINED IN A CLEAN, SAFE AND USABLE CONDITION.
6. ALL GRADING SHALL BE PERFORMED IN SUCH A MANNER AS TO COMPLY WITH
THE STANDARDS ESTABLISHED BY THE AIR QUALITY MANAGEMENT DISTRICT FOR
AIRBORNE PARTICULATES.
7. IN THE EVENT THAT HUMAN REMAINS AND/OR CULTURAL MATERIALS ARE FOUND,
ALL PROJECT -RELATED CONSTRUCTION SHOULD CEASE WITHIN A 100-FOOT
RADIUS. THE CONTRACTOR SHALL, PURSUANT TO SECTION 7050.5 OF THE
HEALTH AND SAFETY CODE, AND SECTION 5097.94 OF THE PUBLIC RESOURCES
CODE OF THE STATE OF CALIFORNIA, NOTIFY THE MARIN COUNTY CORONER
IMMEDIATELY.
8. THIS PLAN DOES NOT APPROVE THE REMOVAL OF TREES. APPROPRIATE TREE
REMOVAL PERMITS AND METHODS OF TREE PRESERVATION SHOULD BE OBTAINED
FROM THE CITY'S PLANNING DEPARTMENT AND THE CITY ARBORIST.
9. FOR NON-RESIDENTIAL PROJECTS, ANY NON -HAZARDOUS EXPORT RESULTING
FROM PROJECT RELATED EXCAVATION OR LAND CLEARING SHALL BE 100%
REUSED AND RECYCLED PER CALIFORNIA GREEN BUILDING STANDARDS CODE
SECTION 5.408.
10. ALL GRADING WORK SHALL CONFORM TO THE RECOMMENDATIONS OF THE
PROJECT GEOTECHNICAL REPORT AND/OR THE PROJECT SOIL ENGINEER. ALL
GRADING WORK SHALL BE OBSERVED AND APPROVED BY THE SOIL ENGINEER.
11. THE SOIL ENGINEER SHALL BE NOTIFIED AT LEAST 48 HOURS BEFORE
BEGINNING ANY GRADING. UNOBSERVED AND/OR UNAPPROVED GRADING WORK
SHALL BE REMOVED AND REPLACED UNDER OBSERVATION.
12. PERIMETER BUILDING GRADES SHALL SLOPE AWAY FROM BUILDINGS AT LEAST 5%
MINIMUM
13. ALL DOWNSPOUTS SHALL HAVE SPLASH BOXES AS SHOWN ON THE GRADING
AND DRAINAGE PLAN. DIRECTION OF THE FLOW SHALL BE AWAY FROM THE
BUILDING.
LEGEND
DESCRIPTION
BOUNDARY LINE
EASEMENT LINE
CONCRETE/IMPERNOUS HARDSCAPE
ELECTRICAL LINE
GAS LINE
CHAIN LINK FENCE
RETAINING WALL
AREA DRAIN
DROP INLET
EX. POWER POLE
WATER METER
SANITARY SEWER LATERAL
WITH CLEAN OUT
STORM DRAIN
SANITARY SEWER
WATER
SLOPE ARROW
EXISRNG CONTOUR
PROPOSED CONTOUR
OVERLAND RELEASE
DIRECTION OF SURFACE DRAINIAGE
5X SLOPE AWAY FROM BUILDING
PERMEABLE PAVERS
SEMI -PERVIOUS COMPOSITE WOOD
SYMBOL
E
GAS
1111- SS
n
10
50
0
/
20
GRAPHIC SCALE
1" = 10'
(EX)WATER METERS
SS
GRADING TO BE KEPT AT A MINIMUM
UNDER TREE CANOPY. ANY WORK WITHIN
THE CANOPY TO BE HAND DUG, AND
DONE PER ARBORIST RECOMMENDATIONS
AND ALSO OBSERVED BY THE ARBORIST
60" REDWOOD TREE
TO REMAIN
40
w
(0
SSMH I
RIM=329.27
SS
EARTHEN SWALE (TYP)
TW 332.86
BW 332.49
9" STUMP
AD RIM 331.10
INV 329.10
(N) RETAINING WALL
15" MULBERRY TREE
TO BE REMOVED
POOL TRENCH DRAIN
RIM 331.52
INV 329.52
CONNECT TO SANITARY
EARTHEN SWALE (TYP.)
AD RIM 331.39
INV 329.39
TW 334.47
BW 331.49
TW 334.83
BW 331.49
UTILITY POLE
9" STUMP
AD1
RIM3.08
. INV 328.3Z
ROCHIN TERRACE
W
SYMBOL INDICATES, SLOPE 5% AWAY
FROM BUILDING FOR GROUND/LANDSCAPE
AREAS, OR 2% AWAY FROM BUILDING FOR
HARDSCAPE AREAS, FOR TEN FEET
UNLESS NOT PRACTICAL LONGITUDINAL
SWALES MAY BE USED.
15" STUMP
1.0
oci
N
U
SS
SS S
INSTALL SPLASHBOXES AT ALL
DOWNSPOUTS LOCATIONS. REFER TO
ARCHITECTURAL PLANS FOR ACCURATE
DOWNSPOUT LOCATIONS (TYP.)
(N) FENCE PER
ARCHITECTUAL/LANDSCAPE -
PLANS
-
N N67`53'09"E
o�w
)
o 1- W
PERMEABLE
PAVERS (TYP)
SEE DETAIL ON
SHEET C3
4)
10" APPLE TREE
TO BE REMOVED
AD RIM 331.32
INV 329.32
N
o'
N
7" CYPRESS TREE
TO BE REMOVED
TW 333.04
AD RIM 329.91
INV 327.91
(N) CONCRETE/MASONRY OR
KEYSTONE RETAINING WALL.
OWNER TO DECIDE.
SEE DETAIL ON SHEET C3
\
CJI
\
SS /
SS
EX. WATER METER
(N) WATER LINE
UNDERNEATH DEC
GRADE TO SLOPE A
FROM BUILDING 5% MIN
(POC) POINT OF
CONNECTION. SEE
PLUMBING/ARCHITECTURAL
PLANS FOR
CONTINUATION
'09"E 100.00'
3' TO 1 RET. WALL
AD RIM 329.91
INV 327.63
ABBREVATIONS
AC = ASPHALT CONCRETE
AD = AREA DRAIN
AG = ADJACENT GRADE
BC = BEGIN CURVE
BS = BOTTOM OF STAIR
BU = BUBBLE UP
BVC = BEGIN VERTICAL CURVE
BRW = BOTTOM OF RETAINING WALL
CB = CATCH BASIN
CL = CENTERLINE
CO = CLEANOUT
DS = DOWNSPOUT WITH SPLASH BOX
EC = END CURVE
ELEV. = ELEVATION
EVC = END VERTICAL CURVE
EX. = EXISTING
F/C = FACE OF CURB
FF = FINISHED FLOOR ELEVATION
FH = FIRE HYDRANT
FL = FLOW LINE
GB = GRADE BREAK
GFF = GARAGE FINISH FLOOR
HP = HIGH POINT
HC = HAND/CAP UNIT
INV = INVERT
SS
CB
TC=3c?,..47
RIM=.�'5.72
INV=:M2.2
U
SDMH
RIM=326.40
INV=321.00
SS
BUBBLE -UP \
BU RIM 329.10
INV 326.60
GAS
0 25.0' LIGHT & Al
EASEMENT
SD
(N) GAS METER
(M) ELECTRICAL METER
(N) LECTRICAL LINE
ALL OVERHEAD ELECTRICAL
SERVICE LINES (ELECTRIC,
PHONE, AND/OR CABLE)
MUST BE UNQERGROUNDED
FROM THE HOUSE TO THE
NEAREST UTILITY POLE
LP = LOW POINT
PAD = PAD ELEVATION
PCC = PORTLAND CEMENT CONCRETE
PL = PROPERTY LINE
PV = PAVEMENT GRADE
PVC = POLYVINYL CHLORIDE PIPE
PV/ = POINT OF VERTICAL INTERSECTION
RCP = REINFORCED CONCRETE PIPE
ROW = RIGHT OF WAY
S=.004> SLOPE
SD = STORM DRAIN
SDMH = STORM DRAIN MANHOLE
SG = SUBGRADE ELEVATION
SS = SANITARY SEWER
SSMH = SANITARY SEWER MANHOLE
STA = STAT/ON
TC = TOP OF CURB
TF = TOP OF FENCE
TRW = TOP OF RETAINING WALL
TS = TOP OF STAIR
TW = TOP OF WALL
VCP = VITRIFIED CLAY PIPE
WM = WATER METER
WV = WATER VALVE
• /
-2.0%
SS
SD
R=20.00'
L=31.42'
D=90`00'00"
SS
SD
5" CHERRY TO REMAIN
BUBBLE -UPS
BU RIM 329.10
INV 326.60
Ln
cn
cn
(n
C�
(N) CLEANOUT PER C
DISTRICT STDS. WITHIN
SAN. CO 328.01
INV 324.01
CB
TC=326.47
RIM=325.72
INV=322.22
SSMH
RIM=326.00
SS
JRRENT
2' OF PL
7 USE EX 4" SANITARY LATERAL.
CONTRACTOR TO VERIFY EXACT
LOCATION, CONDITION, SIZE, &
SLOPE.
328.00
TC 328.34
C 328.99
TC 329.22
\
SS
INSTALL NEW SANITARY B
PREVENTOR. PER SANITA
STANDARDS. CALL FOR 1
6', 7' A\ND 9" OLIVE TREE
TO REMAIN
CKFLOW
Y DISTRICT
SPECTION
-(N) 4" SAN. LAT
AFTER C.O. 60
PERMEABLE
PAVERS (TYP)
(N) GAS LIN E. I -AND DIG WITH
CAUTION UNDER TREE CANOPY.
WORK TO BE DONE UNDER _-j'J\-)
ARBORIST RECOMME.AT101�S
AND OBSERVATION-
(N) STORM L HAND DIG
WITH CAUTIO\ UNDER TREE
CANOPY. WO;K TO BE DONE
UNDER ARBCRIS'
RECOMMEND A -IONS AND
OBSERVATION
AD RIM 329.05
INV 327.44
BENCH MARK
i
10, 13' APRICOT TREE
NE
D TO BE REMOVED
cn
Ln
N
cfcc
U)
cn
cn
337.
NOTE: TOPOGRAPHIC AND BOUNDARY SURVEY PREPARED BY OTHERS.
CITY OF LOS GATOS BENCHMARK LG#24. SET BRASS DISK IN MONUMENT
WELL STAMPED "LG#24" AT THE INTERSECTION OF BLOSSOM HILL ROAD
AND CAMINO DE CERRO. ELEVATION = 348.83' (NAVD 88 DATUM)
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Project No.: 1538
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EARTHWORK QUANTITIES
DESCRIPTION
CUT
(—)
FILL
(+)
HOUSE FOOTPRINT
POOL, POOL DECK AREA
DRIVEWAY
PATIO, SIDEWALKS
LANDSCAPE AREAS
126 C.Y.
112 C.Y.
23 C.Y.
10 C.Y.
19 C.Y.
0 C.Y.
0 C.Y.
0 C.Y.
0 C.Y.
8 C.Y.
TOTALS RAW:
10% SHRINKAGE FACTOR (ASSUMED)
290 C.Y.
19 C.Y.
2 C.Y.
TOTAL ADJUSTED:
290 C.Y.
21 C.Y.
269 C.Y.
NOTES & CALCULATIONS ASSUMPTIONS:
IT SHALL BE THE CONTRACTOR'S
FOR HIS/HER OWN USE.
TO SUB —GRADE
1. EARTHWORK QUANTITIES SHOWN ARE APPROXIMATE.
RESPONSIBILITY TO INDEPENDENTLY ESTIMATE QUANTITIES
2. ASSUMED 1.0' DELTA FROM HARDSCAPE FINISH GRADE
3. ASSUMED 1.0' UNDERCUT IN DRIVEWAY AREA.
4. ASSUMED 5' DEEP POOL
10
50
0
20
GRAPHIC SCALE
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40
ROCHIN TERRACE
MAXIMUM
CUT (FT)
MAXIMUM
FILL (FT)
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6.7
1.6
2.0
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N.T.S.
N.T.S.
A
PROPERTY LINE SECTION
B
PROPERTY LINE SECTION
C
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D
NOT USED
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CHANGES.
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WITH
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UP
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UNLESS NOTED
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LENGTH AS
DRAIN PIPE
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CRAWL SPACE
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45° ELL
6" OR 8" P.V.C. SEE PLAN.
6" P.V.C. DRAIN PIPE
ADJACENT GRADE
6"
CONNECT TO STORM DRAIN
LENGTH AS REQUIRED
FLOW
CAP
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PIPE
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LANDSCAPE
DRAIN DETAIL
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N.T.S.
N.T.S.
N.T.S.
N.T.S.
N.T.S.
GreenBluEarth Inc.
CONSULTING CIVIL ENGINEERS & LAND SURVEYORS
117 BERNAL RD. STE. 70-336 TEL. (408) 772-4381
SAN JOSE, CA 95119 OsunaEngineering@gmail.com
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itterhouse
NOTES:
1. SPLASH BLOCKS SHALL BE LOCATED UNDER ALL BLDG.
NOTE:
BASE
RECOMMENDATIONS.
FOR
REFER
THICKNESS
TO SOILS
OF AGGREGATE
ENGINEER
TYP. NO. 8 AGGREGATE IN OPENINGS
CONCRETE PAVERS MIN. 1/8 IN. G MM) THICKI
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2. SWALE SHALL RUN FROM SPLASH BLOCK AWAY FROM
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FOR OVERFLOW DRAINAGE (CURB SHOWN)
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SPLASH BLOCK
BUILDING
GRADING AND DRAINAGE PLAN
CONSTRUCTION DETAILS
15921 ROCHIN TERRACE
CITY OF LOS GATOS CALIFORNIA
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PEDESTRIAN APPLICATIONS.
DESIGN.
PAVEMENT MANUAL.
DRAIN ROCK IN SWALE
Project No.: 1538
259 Cleueland Avenue, Chan-.bersbueg, PA 17201
717-267-4500 Fax: 717-267-4527 Email! rnasanrylanitterhouse.corn
PLAN VIEW
SWALE @ 2% MIN. SHRUB MASSINGS
SPLASH BLOCK TO AREA DRAIN
IMAGE
N.T.S.
PERMEABLE
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PAVEMENT
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ROCHIN TERRACE
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INSTALL FIBER ROLLS. SEE
DETAIL ON THIS SHEET
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INSTALL FIBER ROLLS. SEE
DETAIL ON THIS SHEET
NOTES:
1. PROTECT ALL INLETS IN THE PUBLIC
STREETS SURROUNDING THE SITE.
2. ALL ON -SITE LANDSCAPE AREA
DRAINS TO BE CAPPED OR PROTECTED
UNTIL LANDSCAPING IS FINISHED.
25' MIN
SLOPE AWAY
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500X MIRAFI (OR EQUAL) PROVIDE APPROPRIATE TRANSITION
ON EXISTING GROUND BETWEEN STABILIZED CONSTRUCTION
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25' MIN
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PUBLIC
RIGHT-OF-WAY
PUBLIC
(RIGHT-OF-WAY
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MAINTENANCE:
THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION THAT WILL PREVENT TRACKING OR FLOWING
SEDIMENT ONTO PUBLIC RIGHTS -OF -WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL
STONE AS CONDITIONS DEMAND, AND REPAIR AND/OR CLEAN OUT ANY MEASURES USED TO TRAP SEDIMENT.
ALL SEDIMENT SPILLED, DROPPED, WASHED, OR TRACKED ONTO PUBLIC RIGHTS -OF -WAY SHALL BE REMOVED
IMMEDIATELY.
WHEN NECESSARY, WHEELS SHALL BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTRANCE ONTO PUBLIC
RIGHTS -OF -WAY. THIS SHALL BE DONE AT AN AREA STABILIZED WITH CRUSHED STONE, WHICH DRAINS
INTO AN APPROVED SEDIMENT TRAP OR SEDIMENT BASIN.
STABILIZED
CONSTRUCTION ENTRANCE
N.T.S.
LEGEND
PROPOSED DESCRIPTION
0 00 0
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INSTALL FIBER ROLLS. SEE
DETAIL ON THIS SHEET
MAINTENANCE NOTES
SITE BOUNDARY
STABILIZED CONSTRUCTION ENTRANCE
4"-6'' ROCK (MIN)
FIBER ROLL
MAINTENANCE IS TO BE PERFORMED AS FOLLOWS:
1. REPAIR DAMAGES CAUSED BY SOIL EROSION OR CONSTRUCTION AT THE END
OF EACH WORKING DAY.
2. SWALES SHALL BE INSPECTED PERIODICALLY AND MAINTAINED AS NEEDED.
3. SEDIMENT TRAPS, BERMS, AND SWALES ARE TO BE INSPECTED AFTER EACH
STORM AND REPAIRS MADE AS NEEDED.
4. SEDIMENT SHALL BE REMOVED AND SEDIMENT TRAP RESTORED TO ITS
ORIGINAL DIMENSIONS WHEN SEDIMENT HAS ACCUMULATED TO A DEPTH OF 1
FOOT.
5. SEDIMENT REMOVED FROM TRAP SHALL BE DEPOSITED IN A SUITABLE AREA
AND IN SUCH A MANNER THAT IT WILL NOT ERODE.
6. RILLS AND GULLIES MUST BE REPAIRED.
CONSTRUCTION ENTRANCE, SEE DETAILS ON
11HJS SHEET. AS AN ALTERNATE CAN LEAVE
EXISTING PAVEMENT INSTEAD. NO DIRT
TRACKING TO THE STREETS ALLOWED
REBAR
INSTALL 5
STAKES TYP.
FILTER FABRIC
EXCAVATE 4" DEEP
CUP FOR CIRCULAR
WATTLE TO SIT IN
INLET
10" STRAW WATTLE
PLAN VIEW
10" STRAW WATTLE
/ FILTER FABRIC
DRIVE STAKE 18"
BELOW GROUND
NOTE: LANDSCAPE INLETS THAT ARE
NOT PROTECTED MUST BE CAPPED
SECTION TO PREVENT ANY UNTREATED FLOW
ENTERING THE INLET
ALTERNATE FIBER ROLL INLET PROTECTION
MAY BE USED IN LANDSCAPE AREA DRAINS
N.T.S.
REBAR
d
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SILT SACK
a
a.
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d
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a
REBAR TO EXTEND BEYOND
INLET THROAT
SILT SACK POCKET
CALIFORNIA MODIFIED SILT SACK
REED & GRAHAM, INC. (OR EQUAL)
BEFORE & AFTER STREETS ARE PAVED
N.T.S.
EROSION & SEDIMENT CONTROL NOTES
1. NOT USED
2. THE DEVELOPER IS RESPONSIBLE FOR ENSURING THAT ALL CONTRACTORS AND SUBCONTRACTORS ARE AWARE OF ALL STORM WATER
QUALITY MEASURES AND IMPLEMENT SUCH MEASURES. FAILURE TO COMPLY WITH THE APPROVED CONSTRUCTION BEST MANAGEMENT
PRACTICES WILL RESULT IN THE ISSUANCE OF CORRECTION NOTICES, CITATIONS, AND/OR STOP ORDERS.
3. ANY VEHICLE OR EQUIPMENT WASHING/STEAM CLEANING MUST BE DONE AT AN APPROPRIATELY EQUIPPED FACILITY WHICH DRAINS TO
THE SANITARY SEWER. OUTDOOR WASHING MUST BE MANAGED IN SUCH A WAY THAT THERE IS NO DISCHARGE OF SOAPS, SOLVENTS,
CLEANING AGENTS OR OTHER POLLUTANTS TO THE STORM DRAINS. WASH WATER SHALL DISCHARGE TO THE SANITARY SEWER, SUBJECT
TO REVIEW AND APPROVAL OF UNION SANITARY DISTRICT.
4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LITTER CONTROL AND SWEEPING OF ALL PAVED SURFACES DURING CONSTRUCTION.
5. THE FACILITIES SHOWN ON THIS PLAN ARE DESIGNED TO CONTROL EROSION AND SEDIMENT DURING THE RAINY SEASON, OCTOBER 1 TO
APRIL 15. EROSION CONTROL MEASURES ARE TO BE FUNCTIONAL PRIOR TO OCTOBER 1ST OF ANY YEAR GRADING OPERATIONS HAVE
LEFT AREAS UNPROTECTED FROM EROSION.
6. ALL ON -SITE STORM DRAINS SHALL BE CLEANED IMMEDIATELY BEFORE THE START OF THE RAINY SEASON BEGINNING ON OCTOBER 1ST
EACH YEAR, SUBJECT TO THE REVIEW OF THE BUILDING/ENGINEERING INSPECTOR.
7. IF RAINY WEATHER BECOMES IMMINENT, GRADING OPERATIONS SHALL BE STOPPED AND EROSION CONTROL MEASURES SHALL BE
IMPLEMENTED TO PROTECT DISTURBED AREAS.
8. DURING THE RAINY SEASON, ALL PAVED AREAS SHALL BE KEPT CLEAR OF EARTH MATERIAL AND DEBRIS. THE SITE SHALL BE
MAINTAINED SO AS TO MINIMIZE SEDIMENT LADEN RUNOFF TO ANY STORM DRAIN SYSTEM.
9. CONSTRUCTION ENTRANCES SHALL CONSIST OF A MINIMUM 8" THICK LAYER OF 4"-6" FRACTURED STONE AGGREGATE UNLAID WITH
GEOTEXTILE LINER FOR A MINIMUM DISTANCE OF 50 FEET, AND IS TO BE PROVIDED AT EACH VEHICLE ACCESS POINT TO EXISTING
PAVED STREETS. THE DEPTH AND LENGTH OF AGGREGATE MAY NEED TO BE ADJUSTED IN THE FIELD TO ENSURE NO TRACKING OF
SEDIMENT ONTO EXISTING PAVED STREETS. CONSTRUCTION ENTRANCES SHALL SLOPE AWAY FROM EXISTING PAVED STREETS.
10. INLETS NOT USED IN CONJUNCTION WITH EROSION CONTROL MEASURES ARE TO BE BLOCKED UNLESS THE AREA DRAINED IS
UNDISTURBED OR STABILIZED.
11. BORROW AREAS AND TEMPORARY STOCKPILES SHALL BE PROTECTED WITH APPROPRIATE EROSION CONTORL MEASURES TO THE
SATISFACTION OF THE CITY ENGINEER.
12. NO STRAW BALES OR SILT FENCES SHALL BE USED AS EROSION CONTROL MEASURES. SILT FENCES MAY ONLY BE USED AS A
PHYSICAL BARRIER TO PREVENT VEHICULAR AND PEDESTRIAN TRAFFIC FROM USING NON -APPROVED ACCESS POINTS (E.G. - ALONG
RIGHT-OF-WAY).
13. ALL DISTURBED AREAS INCLUDING FLAT PADS ARE TO BE TREATED WITH STRAW AND TACKIFIER AT A RATE OF 2 TONS PER ACRE
APPROXIMATELY 3 INCHES THICK.
SUPPLEMENTAL EROSION & SEDIMENT CONTROL NOTES
1. SEE STANDARD EROSION & SEDIMENT CONTROL NOTES ABOVE.
2. THE FACILITIES SHOWN ON THIS PLAN ARE DESIGNED TO CONTROL EROSION AND SEDIMENT DURING THE RAINY SEASON, OCTOBER 1 TO
APRIL 15. FACILITIES ARE TO BE OPERABLE PRIOR TO OCTOBER 1 OF ANY YEAR. GRADING OPERATIONS DURING THE RAINY SEASON
WHICH LEAVE DENUDED SLOPES SHALL BE PROTECTED WITH EROSION CONTROL MEASURES IMMEDIATELY FOLLOWING GRADING ON THE
SLOPES.
3. CONSTRUCTION ENTRANCES SHALL BE INSTALLED PRIOR TO COMMENCEMENT OF GRADING. ALL CONSTRUCTION TRAFFIC ENTERING ONTO
THE PAVED ROADS MUST CROSS THE STABILIZED CONSTRUCTION ENTRANCE WAYS.
4. CONTRACTOR SHALL MAINTAIN STABILIZED ENTRANCE AT EACH VEHICLE ACCESS POINT TO EXISTING PAVED STREETS. ANY MUD OR DEBRIS
TRACKED ONTO PUBLIC STREETS SHALL BE REMOVED DAILY AND AS REQUIRED BY THE CITY.
5. INLET PROTECTION SHALL BE INSTALLED AT OPEN INLETS TO PREVENT SEDIMENT FROM ENTERING THE STORM DRAIN SYSTEM. INLETS
NOT USED IN CONJUNCTION WITH EROSION CONTROL ARE TO BE BLOCKED TO PREVENT ENTRY OF SEDIMENT.
6. THIS EROSION AND SEDIMENT CONTROL PLAN MAY NOT COVER ALL THE SITUATIONS THAT MAY ARISE DURING CONSTRUCTION DUE TO
UNANTICIPATED FIELD CONDITIONS. VARIATIONS AND ADDITIONS MAY BE MADE TO THIS PLAN IN THE FIELD. NOTIFY THE CITY
REPRESENTATIVE OF ANY FIELD CHANGES.
HINGE POINT
3:1 SLOPE MAX.
AC PAVEMENT
TT -
PLACE STRAW WATTLES
IF VERTICAL RISE
AGG. BASE
FRONT YARD SLOPE DETAIL
AFTER STREET ARE PAVED
N.T.S.
TOE OF
SLOPE
DRIVE STAKE
18" BELOW ROLL
4' 0.C.
TOP OF
SLOPE
FIBER
ROLL
EXCAVATE 4" DEEP CUP
FOR CIRCULAR ROLL TO
SIT IN
FIBER ROLL
INSTALLATION DETAIL
N.T.S.
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Exp. 6-30-19
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Construction Best Management Practices (BMPs)
Materials & Waste Management
Non -Hazardous Materials
Berm and cover stockpiles of sand, dirt or other construction material
with tarps when rain is forecast or when they are not in use.
❑ Use (but don't overuse) reclaimed water for dust control.
D Ensure dust control water doesn't leave site or discharge to storm
drains.
Hazardous Materials
❑ Label all hazardous materials and hazardous wastes (such as
pesticides, paints, thinners, solvents, fuel, oil, and antifreeze) in
accordance with City, County, State and Federal regulations.
❑ Store hazardous materials and wastes in water tight containers, store
in appropriate secondary containment, and cover them at the end of
every work day or during wet weather or when rain is forecast.
❑ Follow manufacturer's application instructions for hazardous
materials and do not use more than necessary. Do not apply
chemicals outdoors when rain is forecast within 24 hours.
❑ Arrange for appropriate disposal of all hazardous wastes.
Waste Management
❑ Cover and maintain dumpsters. Check frequently for leaks. Place
dumpsters under roofs or cover with tarps or plastic sheeting secured
around the outside of the dumpster. A plastic liner is recommended to
prevent leaks. Never clean out a dumpster by hosing it down on the
construction site.
❑ Place portable toilets away from storm drains. Make sure they are in
good working order. Check frequently for leaks.
❑ Dispose of all wastes and demolition debris properly. Recycle
materials and wastes that can be recycled, including solvents, water -
based paints, vehicle fluids, broken asphalt and concrete, wood, and
cleared vegetation.
❑ Dispose of liquid residues from paints, thinners, solvents, glues, and
cleaning fluids as hazardous waste.
❑ Keep site free of litter (e.g. lunch items, cigarette butts).
D Prevent litter from uncovered loads by covering loads that are being
transported to and from site.
Construction Entrances and Perimeter
❑ Establish and maintain effective perimeter controls and stabilize all
construction entrances and exits to sufficiently control erosion and
sediment discharges .from site and tracking off site.
❑ Sweep or vacuum any street tracking immediately and secure
sediment source to prevent further tracking. Never hose down streets
to clean up tracking,
Construction projects are required to implement year-round stormwater BMPs.
Equipment Management &
Spill Control
Maintenance and Parking
❑ Designate an area of the constriction site, well away
from streams or storm drain inlets and fitted with
appropriate BMPs, for auto and equipment parking,
and storage.
❑ Perform major maintenance, repair jobs, and vehicle
and equipment washing off site.
❑ If refueling or vehicle maintenance must be done
onsite, work in a benned area away from storm drains
and over a drip pan or drop cloths big enough to collect
fluids. Recycle or dispose of fluids as hazardous waste.
❑ If vehicle or equipment cleaning must be done onsite,
clean with water only in a bermed area that will not
allow rinse water to run into gutters, streets, storm
drains, or surface waters.
❑ Do not clean vehicle or equipment onsite using soaps,
solvents, degreasers, or steam cleaning equipment, and
do not use diesel oil to lubricate equipment or parts
onsite.
Spill Prevention and Control
❑ Keep spill cleanup materials (e.g., rags, absorbents and
cat litter) available at the construction site at all times.
❑ Maintain all vehicles and heavy equipment. Inspect
frequently for and repair leaks. Use drip pans to catch
leaks until repairs are made.
❑ Clean up leaks, drips and other spills immediately and
dispose of cleanup materials properly
❑ Use dr- cleanup methods whenever possible
(absorbent materials, cat litter and/or rags).
❑ Sweep up spilled dry materials immediately. Never
attempt to "wash them away" with water, or bury
them.
❑ Clean up spills on dirt areas by digging up and
properly disposing of contaminated soil.
❑ Report significant spills to the appropriate local spill
response agencies immediately. If the spill poses a
significant hazrd to human health and safety, property
or the environment, you must report it to the State
Office of Emergency Services. (800) 852-7550 (24
hours).
Earthmoving
Grading and Earthwork
❑ Schedule grading and excavation work
during dry weather.
❑ Stabilize all denuded areas, install and
maintain temporary erosion controls (such
as erosion control fabric or bonded fiber
matrix) until vegetation is established.
❑ Remove existing vegetation only when
absolutely necessary, plant temporary
vegetation for erosion control on slopes
or where construction is not immediately
planned.
❑ Prevent sediment from migrating offsite
and protect storm drain inlets, drainage
courses and streams by installing and
maintaining appropriate BMPs (i.e. silt
fences, gravel bags, fiber rolls, temporary
swales, etc.).
❑ Keep excavated soil on site and transfer it
to dump trucks on site, not in the streets.
Contaminated. Soils
❑ If any of the following conditions are
observed, test for contamination and
contact the Regional Water Quality
Control Board:
Unusual soil conditions, discoloration,
or odor.
Abandoned underground tanks.
Abandoned wells
- Buried barrels, debris, or trash.
O If the above conditions are observed,
document any signs of potential
contamination and clearly mark them so
they are not distrurbed by construction
activities.
Landscaping
O Protect stockpiled landscaping materials
from wind and rain by storing them under
tarps all year-round.
❑ Stack bagged material on pallets and
under cover.
O Discontinue application of any erodible
landscape material within 2 days before a
forecast rain event or during wet r•eather.
Concrete Management
and Dewatering
Concrete Management
❑ Store both dry and wet materials under
cover, protected from rainfall and runoff and
away from storm drains or waterways. Store
materials off the ground, on pallets. Protect
dry materials from wind.
O Wash down exposed aggregate concrete
only when the wash water can (1) flow onto
a dirt area; (2) drain onto a bermed surface
from which it can be pumped and disposed
of properly; or (3) block any storm drain
inlets and vacuum washwater from the
gutter. If possible, sweep first.
O Wash out concrete equipment/trucks offsite
or in a designated washout area onsite,
where the water will flow into a temporary
waste pit, and make sure wash water does
not leach into the underlying soil. (See
CASQA Construction BMP Handbook for
properly designed concrete washouts.)
Dewatering
❑ Discharges of groundwater or captured
runoff from dewatering operations must
be properly managed and disposed. When
possible, send dewatering discharge to
landscaped area or sanitary sewer. If
discharging to the sanitary sewer,. call your
local wastewater treatment plant.
❑ Divert run-on water from offsite away from
all disturbed areas.
❑ When dewatering, notify and obtain
approval from the local municipality before
discharging water to a street gutter or storm
drain. Filtration or diversion through a basin,
tank, or sediment trap may be required.
❑ In areas of known or suspected
contamination, call your local agency to
determine whether the ground water must be
tested. Pumped groundwater may need to be
collected and hauled off -site for treatment
and proper disposal.
Paving/Asphalt Work
Paving
❑ Avoid paving and seal coating in wet
weather or when rain is forecast, to
prevent materials that have not cured
from contacting stormwater nunof.
❑ Cover storm drain inlets and manholes
when applying seal coat, slurry seal, fog
seal, or similar materials.
10 Collect and recycle or properly dispose of
excess abrasive gravel or sand. Do NOT
sweep or wash it into gutters.
Sawcutting & Asphalt/Concrete Removal
❑ Protect storm drain inlets during saw
cutting.
❑ If saw cut slurry enters a catch basin,
clean it up immediately.
❑ Shovel or vacuum saw cut slurry deposits
and remove from the site. When making
saw cuts, use as little water as possible.
Sweep up, and properly dispose of all
residues.
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Painting & Paint Removal
Painting Cleanup and Removal
❑ Never clean brushes or rinse paint
containers into a street, gutter, storm
drain, or stream.
❑ For water -based paints, paint out brushes
to the extent possible, and rinse into a
drain that goes to the sanitary sewer.
Never pour paint down a storm drain.
❑ For oil -based paints, paint out brushes to
the extent possible and clean with thinner
or solvent in a proper container. Filter and
reuse thinners and solvents. Dispose of
excess liquids as hazardous waste.
❑ Sweep up or collect paint chips and dust
from non -hazardous dry stripping and
sand blasting into plastic drop cloths and
dispose of as trash.
❑ Chemical paint stripping residue and chips
and dust from marine paints or paints
containing lead, mercury, or tributyltin
must be disposed of as hazardous waste.
Lead based paint removal requires a state -
certified contractor.
Santa Clara Valley
Urban Runoff
Pollution Prevention Program
Storm drain polluters may be liable for fines of up to $10,000 per day!
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CALIFORNIA
CITY OF LOS GATOS
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Checked:• 0.0.
SHEET
C5
OF 5 SHEETS