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A NEW ACCESSORY DWELLING
UNIT FOR:
The Otis Residence
10789 Juniper Court, Main Residence
10791 Juniper Court, ADU
Cupertino, CA. 95014
1
1
1
1
1
1
SPECIAL INSPECTION LIST:
1. Diaphragm Nailing for Systems Using Nails Spaced 4-inches On
Center or Less by Engineer of Record.
1
1
2
2 2
Independent Code
Consultants 11/09/20
12/04/20
BLD-2020-1179
SEAN HATCH
NN
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CO
.
1. DATE OF SURVEY: JUNE 13, 2020.
2. UTILITIES FOUND ARE BASED UPON SURFACE EVIDENT
FINDINGS. RECORDS OF UTILITIES WERE NOT UTILIZED
FOR THIS SURVEY
3. TREES SHOWN ARE THOSE OF SIZE SIGNIFICANCE. THE
SITE CONTAINS OTHER TREES UNDER 6" AND ARE NOT
SHOWN FOR MAP CLARITY. TREE CLASSIFICATIONS ARE
TO THE BEST KNOWLEDGE OF THE SURVEYOR. AN
ARBORIST MUST SPECIFY ACTUAL TREE TYPE.
4. MAIN STRUCTURE AND APPURTENANT STRUCTURES ARE
BASED UPON THE BEST EFFORTS OF THE SURVEY
CREW. SOME ELEMENTS MAY BE MISSING AND CHECKS
BY THE ARCHITECTS OFFICE WILL BE NECESSARY
BEFORE DESIGN WORK.
THE BEARING S35°18'00"E BETWEEN TWO
FOUND MONUMENTS ALONG JUNIPER COURT AS
SHOWN IN CORNER RECORD DOCUMENT
NUMBER 3262, SANTA CLARA COUNTY WAS
TAKE AS THE BASIS OF BEARINGS SHOWN ON
THIS MAP.
REFERENCES:
SANITARY SEWER
CLEANOUT
SANITARY SEWER
MANHOLE
FENCE LINE
WATER METER
WATER VALVE
FIRE HYDRANT
XX" TREE
GUY ANCHOR
AS NOTED
JOINT POLE
TREE, SIZE AND TYPE
W
G
CONCRETE
WATER LINE
GAS LINE
FL FLOWLINE
TC TOP OF CURB
EP EDGE OF PAVEMENT
CONC CONCRETE
LIP LIP OF GUTTER
GS GROUND SHOT
AD AREA DRAIN
FF FINISH FLOOR
BSL BUILDING SETBACK LINE
ASSUMED ELEVATION
SET MAG NAIL
ELEVATION=386.35'
Independent Code
Consultants11/09/20
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DATE
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DESIGNER
JOB
SHEET
OF SHEETS
DRAFTER
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CUPERTINO
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9/1 5/2 020
AS SHOWN
GM
GM
A200719
4
I. GENERAL:
1. ADJUSTMENTS TO BUILDING PAD ELEVATIONS OR PARKING LOT GRADES TO ACHIEVE
EARTHWORK BALANCE SHALL BE MADE ONLY WITH APPROVAL OF THE ENG INEER.
2. COMPACTION TO BE DETERMINED USING ASTM D1557-LATEST EDITION.
3. THE TYPES, LOCATIONS, SIZES AND/OR DEPTHS OF EXISTING UNDERG ROUND UTILITIES AS
SHOWN ON THE IMPROVEMENT PLANS WERE OBTAINED FROM SOURCES OF VARYING
RELIABILITY. THE CONTRACTOR IS CAUTIONED THAT ONLY ACTUAL EXCAVATION WILL REVEAL
THE TYPES, EXTENT, SIZES, LOCATIONS AND DEPTHS OF SUCH UNDERGROUND UTILITIES. (A
REASONABLE EFFORT HAS BEEN MADE TO LOCATE AND DELINEATE ALL KNOWN
UNDERG ROUND UTILITIES.) HOWEVER, THE ENG INEER CAN ASSUME NO RESPONSIBILITY FOR
THE COMPLETENESS OR ACCURACY OF THE DELINEATION OF SUCH UNDERGROUND UTILITIES
WHICH MAY BE ENCOUNTERED, BUT WHICH ARE NOT SHOWN ON THESE DRAWINGS.
4. CONTRACTOR TO VERIFY ALL EXISTING INVERT ELEVATIONS FOR STORM DRAIN AND SANITARY
SEWER CONSTRUCTION PRIOR TO ANY SITE WORK. ALL WORK FOR STORM AND SANITARY
INSTALLATION SHALL BEGIN AT THE DOWNSTREAM CONNECTION POINT. THIS WILL ALLOW
FOR ANY NECESSARY ADJUSTMENTS TO BE MADE PRIOR TO THE INSTALLATION OF THE ENTIRE
LINE. IF THE CONTRACTOR FAILS TO BEGIN AT THE DOWNSTREAM CONNECTION POINT AND
WORKS UPSTREAM, HE SHALL PROCEED AT HIS OWN RISK AND BE RESPONSIBLE FOR ANY
ADJUSTMENTS NECESSARY.
5. SHOULD DISCREPANCIES EXIST BETWEEN THE ACTUAL ELEVATIONS AND LOCATIONS OF
EXISTING UTILITY CONNECTIONS AND THOSE AS SHOWN ON THESE PLANS, THE CONTRACTOR
SHALL NOTIFY GKM ENGINEERS, AT (408) 656-5917 BEFORE ADJUSTING UTILITY DESIGN.
6. CONTRACTOR SHALL UNCOVER AND EXPOSE ALL EXISTING UTILITY AND SEWER LINES WHERE
THEY ARE TO BE CROSSED ABOVE OR BELOW BY THE NEW FACILITY BEING CONSTRUCTED IN
ORDER TO VERIFY THE GRADE AND TO ASSURE THAT THERE IS SUFFICIENT CLEARANCE. IF THE
CONTRACTOR REQUIRES ASSISTANCE HE SHALL CALL GKM ENGINEERS AT (408) 656-5917
AND REQUEST A SURVEY CREW TO MAKE THE DETERMINATION. PIPE SHALL NOT BE STRUNG
NOR TRENCHING COMMENCED UNTIL ALL CROSSINGS HAVE BEEN VERIFIED FOR CLEARANCE. IF
THE CONTRACTOR FAILS TO FOLLOW THIS PROCEDURE, HE WILL BE SOLELY RESPONSIBLE FOR
ANY EXTRA WORK OR MATERIAL REQUIRED IF MODIFICATIONS TO THE DESIGN ARE NECESSARY.
7. THE CONTRACTOR SHALL SET HIS STRING OR WIRE THROUGH AT LEAST THREE GRADE STAKES
TO VERIFY THE GRADE. IF THE STAKES DO NOT PRODUCE A UNIFORM GRADE, NOTIFY THE
ENG INEER IMMEDIATELY AND HAVE THE GRADES CHECKED PRIOR TO TRENCHING.
8. STORM DRAIN PIPES DESIG NATED AS "SD FROM 4" TO 24" IN DIAMETER SHALL BE SDR-35
P.V.C. (HANCOR SURE-LOK WT PIPE OR APPROVED EQUAL), CLASS HDPE SMOOTH INTERIOR
PIPE PER ASTM D3212 (HANCOR SURE-LOK WT PIPE OR APPROVED EQUAL) OR DUCTILE IRON
PIPE (D.I.P.), IF SPECIFIED ON PLANS. NO MATERIAL SUBSTITUTION SHALL BE ALLOWED FOR
DUCTILE IRON PIPE. ANY PIPES LARG ER THAN 24" IN DIAMETER SHALL BE CLASS III REINFORCED
CONCRETE PIPE (R.C.P.). HDPE AND P.V.C. PIPE SHALL ONLY BE USED WHEN THE
MANUFACTURER RECOMMENDATION REQUIREMENTS ARE MET. PIPE MADE OF ANY OTHER
MATERIAL MAY BE USED ONLY AFTER APPROVAL OF THE ENG INEER.
9. ALL UTILITY STRUCTURES INCLUDING, BUT NOT LIMITED TO MANHOLES, CATCH BASINS,
WATER VALVES, FIRE HYDRANTS, TELEPHONE AND ELECTRIC VAULTS AND PULL BOXES THAT
LIE WITHIN AREAS EFFECTED BY WORK ON THIS PROJECT SHALL BE ADJUSTED TO GRADE BY
THE CONTRACTOR OR THE RESPECTIVE UTILITY COMPANY. THE CONTRACTOR IS RESPONSIBLE
TO AFFECT COORDINATION.
10. ALL AREAS TO BE GRADED AT 1% MINIMUM FOR DRAINAGE EXCEPT ALONG FLOWLINE OF CURB
AND GUTTER OR VALLEY GUTTER, AS SHOWN.
1 1 . CONTRACTOR SHALL GRADE EVENLY BETWEEN SPOT ELEVATIONS SHOWN.
1 2. PROPOSED SPOT GRADES (ELEVATIONS) SHOWN HEREON ARE FINISHED PAVEMENT GRADES,
NOT TOP OF CURB GRADES, UNLESS NOTED OTHERWISE.
1 3. ESTIMATED EARTHWORK QUANTITIES: EARTHWORK QUANTITIES SHOWN (IF ANY), OR
OTHERWISE SUPPLIED BY GKM, ARE APPROXIMATE ONLY AND SHOWN FOR THE PURPOSES OF
CALCULATING GRADING PERMIT FEES. GKM ASSUMES NO LIABILITY FOR THE ACCURACY OF
THESE QUANTITIES.
14. WHEN A GRADING PERMIT IS ISSUED ON THIS PROJECT THE AGENCY APPROVAL APPLIES ONLY
TO GRADING. THE CONTRACTOR IS RESPONSIBLE FOR SECURING ALL OTHER NECESSARY
PERMITS TO ACCOMPLISH PROPOSED SITE WORK. IT IS STRONGLY RECOMMENDED THAT THE
CONTRACTOR OBTAIN ALL NECESSARY UNDERG ROUND PERMITS BEFORE ROUGH GRADING THE
SITE, AS REVISIONS TO UNDERGROUND FACILITIES MANDATED BY PLAN CHECKING AGENCIES
MAY SUBSTANTIALLY EFFECT GRADING INCLUDING FINISHED FLOOR ELEVATIONS.
15. THE CONTRACTOR SHALL VERIFY THE CONTENTS AND THICKNESSES OF THE BUILDING SLAB
SECTION (IE: CONCRETE, SAND, ROCK) WITH THE STRUCTURAL PLANS AND THE ELEVATIONS
SHOWN HEREON PRIOR TO COMMENCEMENT OF GRADING OPERATIONS.
16. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE O.S.H.A. REGULATIONS.
1 7. CONSTRUCTION CONTRACTOR AGREES THAT IN ACCORDANCE WITH G ENERALLY ACCEPTED
CONSTRUCTION PRACTICES, CONSTRUCTION CONTRACTOR WILL BE REQUIRED TO ASSUME
SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF
CONSTRUCTION OF THE PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY; THAT
THIS REQUIREMENT SHALL BE MADE TO APPLY CONTINUOUSLY AND NOT BE LIMITED TO
NORMAL WORKING HOURS, AND CONSTRUCTION CONTRACTOR FURTHER AGREES TO DEFEND,
INDEMNIFY AND HOLD DESIGN PROFESSIONAL HARMLESS FROM ANY AND ALL LIABILITY, REAL
OR ALLEG ED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT,
EXCEPTING LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF DESIGN PROFESSIONAL.
18. WHERE OFF-SITE DRIVEWAY APPROACHES ARE TO BE CONSTRUCTED THE ON-SITE DRIVEWAY
SHALL NOT BE CONSTRUCTED UNTIL THE OFF-SITE IMPROVEMENTS ARE INSTALLED. THE
ON-SITE DRIVEWAY SHALL CONFORM TO THE COMPLETED OFF-SITE DRIVEWAY.
19. ALL PIPES SHALL HAVE A MINIMUM COVER OF 3' FROM FINISH GRADE UNLESS OTHERWISE
SPECIFIED ON THE PLANS.
GENERAL NOTES
6"
PER PLAN
3.0' DIAMETER MIN.
MIRAFI
140 N
12"
SEE PLAN FOR
RIM ELEVATION
SEE
PLAN
FOR
INVERT
GROUT PIPE
IN PLACE OR PVC TEE
E
L
E
V
A
T
I
O
N
12" RCP/ OR PVC W/
C.I. OR PVC GRATE
3/4'-1 1/2"
CRUSHED DRAIN
ROCK
3.
0
'
MI
N
.
6" PERF. PVC
WRAPPED IN FILTER
FABRIC
STORM DRAIN
PER PLAN
VARIES
CRUSHED ROCKDRAIN TEE
DRAIN PIPE
NDS UNIVERSAL OUTLET
OR APPROVED EQUAL
NDS 12" LOW
PROFILE ADAPTER
SLOPE
TO DRAIN
NDS SPEE-D GRATE, NDS #40, 6"
ROUND FLAT TOP, BLACK.
WITHIN LAWN AREAS
COMPACTED SOIL
VARIES
CRUSHED ROCKDRAIN TEE
DRAIN PIPE
(LENGTH AS REQUIRED)
OR APPROVED EQUAL
SLOPE
TO DRAIN
NDS SPEE-D GRATE, NDS #90, 6"
ATRIUM GRATE, BLACK
MULCH AREAS
COMPACTED SOIL
(SHRUB & G ROUNDC OVER)
NDS #66 DRAIN RISER PIPE
OR APPROVED EQUAL
VARIES
CRUSHED ROCK
DRAIN PIPE
NDS UNIVERSAL OUTLET
OR APPROVED EQUAL
NDS 12" LOW
PROFILE ADAPTER
SLOPE
TO DRAIN
NDS SPEE-D GRATE, NDS #40, 6"
ROUND FLAT TOP, BLACK.
WITHIN LAWN AREAS
COMPACTED SOIL
VARIES
CRUSHED ROCK
DRAIN PIPE
(LENGTH AS REQUIRED)
OR APPROVED EQUAL
SLOPE
TO DRAIN
NDS SPEE-D GRATE, NDS #90, 6"
ATRIUM GRATE, BLACK
MULCH AREAS
COMPACTED SOIL
(SHRUB & G ROUNDCOVER)
NDS #66 DRAIN RISER PIPE
OR APPROVED EQUAL
NDS 1/4 BEND DRAIN
ELBOW OR APPROVED
EQUAL
NDS 1/4 BEND DRAIN
ELBOW OR APPROVED
EQUAL
NOT TO SCALE
UTILITY LINE
1:1 M
A
X
.
FINISH FLOOR
(SEE STRUCTURAL PLANS)
FOOTING
TRENCH EXCAVATION TO REMAIN
OUTSIDE OF FOOTING INFLUENCE LINE.
1AREA DRAIN
C2.0
C1.0 COVER SHEET, DETAILS, & GENERAL NOTES
GRADING AND DRAINAGE PLAN
SHEET INDEX
NEW ACCESSORY DWELLING UNIT
APN: 342-057-010
10789 & 1 0 791 JUNIPER COURT, C U PERTIN O, CA
CONCRETE COVER CONCRETE BOXCAST IRON COVER
s
s
HAND TAMPED BACKFILL TO
90% RELATIVE COMPACTION
BANDED RUBBER COUPLING &
CLAY CAP OR APPROVED EQUAL
PIPE SIZE AS INDICATED ON PLAN,
INSTALL VERTICALLY, CUT TO LENGTH
LONG RADIUS 1/8 (45°) BEND
1/8 (45°) BEND AT TERMINUS ONLY OR WYE
BRANCH FOR INTERMEDIATE CLEANOUTS
SLOPE
PAVING OR HARDSCAPE
CLEANOUT BOX (SEE NOTES)
2"
MI
N
.
FG/LSCP 2"
ELEVATION
NOTES:
1. A RECTANG ULAR BOX AS SHOWN ABOVE SHALL BE USED FOR CLEANOUTS THAT ARE
CAPPED USING A BANDED RUBBER COUPLING.
2. CIRCULAR BOXES ARE PERMITTED FOR CLEANOUTS THAT ARE CAPPED WITH A SCREW
TYPE CAP OR OTHER APPROVED TOP OPENING CAPS. TYPE AND MANUFACTURER
SUBJECT TO APPROVAL BY ENG INEER.
3. CIRCULAR BOXES INSTALLED IN SIDEWALK AREAS SHALL HAVE A SOLID COVER WITHOUT
HOLES.
4. APPROVED RECTANG ULAR BOXES ARE:
A) CHRISTY CONCRETE PRODUCT B3 BOX WITH A B3D CONCRETE LID OR A
B3C METAL LID, OR
B) BROOKS PRODUCTS, INC. NO.3 METER BOX WITH A NO.3 HEAVY DUTY
CONCRETE LID OR A NO.3 CAST IRON TRAFFIC LID OR APPROVED EQUAL.
5. CONCRETE LIDS ARE ACCEPTABLE FOR USE IN NON VEHICULAR TRAFFIC AREAS, METAL,
TRAFFIC RATED LIDS MUST BE USED IN TRAFFIC AREAS.
6. ALL CLEANOUT BOX LIDS SHALL BE MARKED WITH A LETTER "S" OR THE WORD "SEWER".
7. TERMINATE CLEANOUT AT CLOSEST JOINT TO SURFACE WITH TEMPORARY PLUG. AFTER
ALL BACKFILL IS COMPLETE AND SUB-GRADE MADE IN AREAS TO BE PAVED THE FINAL
RISER PIPE AND BOX SHALL BE INSTALLED AS SHOWN.
RECTANG ULAR BOXES
NOT TO SCALE
CLEANOUT TO GRADE
C3.0 EROSION CONTROL PLAN
NOT TO SCALE
INFILTRATION DEVICE 6
C1.1 BEST MANAGEMENT PRACTICES
NOTES:
1. REFER TO GEOTECHNICAL INVESTIGATION , FOR INFORMATION NOT SHOWN OR NOTED.
TYPICAL CONDITION THICKENED SLAB EDGE
8" MIN
4"
MI
N
.
NOT TO SCALE
5UTILITY LINE PARALLEL TO FOOTING
LONGITUDINAL REINF.
#4 @ 18" O.C. MAX
3
NOT TO SCALE
2' RETAINING WALL 7
NOT TO SCALE
4INLET AT DOWNSPOUT
GROUT AROUND PIPE TO SEAL
PV
C
"WYE" CONNECTION
TO STORMDRAIN
90° BEND
BU
I
L
D
I
N
G
RAINWATER DOWNSPOUT
MOUNTING BRACKET
SEE ARCHITECTURAL
PLANS
CHRISTY V-1 WITH V1 -71 C GRATE
GRADE
1
VARIES
2'
-
0
"
MA
X
CONC. PAD WERE
OCCURS
VERTICAL REINF.
#4 @ 18" O.C.
ALTERNATE HOOK
3" CLR.
TYP.
EQ.
#4 CONT.1'-8"
CL WALL
1
'
-
0
"
EXPANSION JOINT
EQ.EQ.
NOTES
1. SEE SOILS REPORT FOR COMPACTION REQUIREMENTS WITHIN
LANDSCAPING AND BELOW WALLS.
2. SUBGRADE CONSTRUCTION AND COMPACTION SHALL BE
PERFORMED UNDER THE SUPERVISION OF THE
GEOTECHNICAL ENG INEER OF RECORD.
8"
EQ.
RCJ AT
CONTRACTORS
OPTION
NOT TO SCALE
CONCRETE PAVING SECTION 8
1
Independent Code
Consultants11/09/20
C1.1
B
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GE
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P
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DATE
SCALE
DESIGNER
JOB
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OF SHEETS
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RE
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I
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9/1 5/2 020
AS SHOWN
GM
GM
A200719
4
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Independent Code
Consultants11/09/20
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LEGEND
ABBREVIATIONS
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9/1 5/2 020
AS SHOWN
GM
GM
A200719
4
EARTHWORK QUANTITIES
ROUGH GRADING FILL: 5 CUYDS
IMPORT:
EXPORT:
ROUGH GRADING CUT: 5 CUYDS
FOOTING EXCAVATIONS: 7 CUYDS
0 CUYDS
7 CUYDS
THIS SURVEY WAS PREPARED BY:
NNR ENGINEERING SERVICES CO.
535 WEYBRIDGE DRIVE
SAN JOSE, CA 95123
TEL: (408) 348-7813
DARRYL BOND PLS 9213
GKM ENGINEERING IS NOT LIABLE TO THE
ACCURACY OF ANY OF THE EXISTING
TOPOGRAPHIC, FIXED WORKS, AND/OR
BOUNDARY INFORMATION SHOWN ON
THESE PLANS
SURVEY NOTE
GRADING AND DRAINAGE PLAN
0
Scale 1" = ft10
10 20 30
CONSTRUCTION NOTES
1
1
1
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1
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1
1
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Independent Code
Consultants11/09/20
385
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9/1 5/2 020
AS SHOWN
GM
GM
A200719
4 EROSION CONTROL PLAN
EROSION CONTROL NOTES
1. EROSION CONTROL FACILITIES AND MEASURES ARE TO BE INSTALLED AND
OPERABLE BY OCTOBER 15 AND SHALL CONTINUE IN EFFECT UNTIL APRIL 15,
OR UNTIL INSTALLATION OF THE PERMANENT PROJECT LANDSCAPING AND
PAVING.
2. CHANGES TO THE EROSION CONTROL MEASURES INDICATED ON THESE
PLANS AND DESCRIBED HEREIN TO ACCOMMODATE FIELD CONDITIONS MAY
BE MADE ONLY WITH THE PRIOR APPROVAL OF OR AT THE DIRECTION OF
THE CITY ENGINEER.
3. A CONSTRUCTION ENTRANCE SHALL BE PROVIDED AT ANY POINT OF EGRESS
FROM THE SITE. THE CONSTRUCTION ENTRANCE SHOULD BE COMPOSED OF
COARSE DRAIN ROCK (GREATER THAN 3" BUT SMALLER THAN 6" IN
DIAMETER) AT LEAST TWELVE (12) INCHES THICK BY FIFTY (50) FEET LONG
BY TWELVE (12) FEET WIDE AND SHALL BE MAINTAINED UNTIL THE SITE IS
PAVED.
4. SEDIMENT TRAPS SHALL BE CONSTRUCTED AND MAINTAINED IN PLACE
AROUND EACH STORM INLET AS INDICATED ON THE DEMOLITION PLAN. SEE
THE "DRAIN INLET PROTECTION" DETAIL ON THIS SHEET. ALL INLETS WHICH
ARE NOT PROTECTED BY SEDIMENT TRAPS SHALL BE COMPLETELY BLOCKED
AS LONG AS THE EROSION CONTROL PLAN IS IN EFFECT.
5. ALL PAVED AREAS SHALL BE KEPT CLEAR OF EARTH MATERIAL AND DEBRIS.
THE SITE SHALL BE MAINTAINED SO AS TO PREVENT SEDIMENT-LADEN
RUNOFF FROM ENTERING THE STORM DRAINAGE SYSTEM OR ADJACENT
PROPERTIES.
6. ALL EROSION CONTROL FACILITIES SHALL BE INSPECTED BY THE
CONTRACTOR AND REPAIRED, AS REQUIRED, AT THE CONCLUSION OF EACH
WORKING DAY DURING THE RAINY SEASON. THE CONTRACTOR SHALL
INSPECT THE EROSION CONTROL FACILITIES AND MAKE NECESSARY
REPAIRS THERETO PRIOR TO ANTICIPATED STORMS, AND SHALL
PERIODICALLY INSPECT THE SITE AT REASONABLE INTERVALS DURING
STORMS OF EXTENDED DURATION. REPAIRS TO DAMAGED FACILITIES SHALL
BE REPAIRED IMMEDIATELY.
7. FOLLOWING EACH STORM, THE CONTRACTOR SHALL INSPECT EACH STORM
INLET SEDIMENT TRAP TO ASSURE THE INTEGRITY OF THE BASIN AND
OUTLET PIPE. ANY DAMAGE TO THESE OR OTHER EROSION CONTROL
DEVICES SHALL BE REPAIRED AS SOON AS PRACTICABLE.
8. AS SOON AS PRACTICABLE FOLLOWING EACH STORM, THE CONTRACTOR
SHALL REMOVE ANY ACCUMULATION OF SILT OR DEBRIS FROM THE
SEDIMENT TRAP BASIN AND SHALL CLEAR THE OUTLET PIPE OF ANY
BLOCKAGE.
9. THE CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR THE INSTALLATION
AND MAINTENANCE OF THE EROSION CONTROL FACILITIES AND SHALL
CONDUCT PERIODIC INSPECTION OF THE PROJECT SITE DURING STORMS OF
PROLONGED DURATION AND/OR HEAVY INTENSITY TO ASSURE THAT THEY
FUNCTION IN THE MANNER DESCRIBED HEREIN.
EROSION CONTROL NOTES
PROFILE
CATCH BASIN W/ FILTER
FABRIC UNDER GRATE.
STRAW WATTLE
FILTER FABRIC
3/4" GRAVEL OR GRAVEL
FILLED SANDBAGS
PLAN
WRAP STRAW WATTLE
AROUND INLET
STORM INLET
3/4" GRAVEL OR GRAVEL
FILLED SANDBAGS
FINISH GRADE
FINISHED GRADE
3/4" x 3/4" WOOD STAKE @ 4' O.C.DIRECTION
OF FLOW
STRAW FIBER ROLL WRAPPED IN A TUBULAR BLACK
PLASTIC NETTING WITH A DIAMETER OF 8"-10".
12" MIN.
N.T.S.
3" MIN.
5" MAX.
NOTES:
1. FIBER ROLL COMPOSED OF BIO-DEG RADEABLE FIBERS STUFFED INTO A
PHOTO-DEG RADEABLE OPEN WEAVE NETTING.
2. FIBER ROLL EROSION BARRIER TRAPS SEDIMENT AND REDUCES SHEET AND HILL SIDE EROSION
BY REDUCING SLOPE GRADIENT. IT INCREASING INFILTRATION RATES AND BY PRODUCING A
FAVORABLE ENVIRONMENT FOR PLANT ESTABLISHMENT.
3. FIBER ROLL INSTALLATION REQUIRES THE PLACEMENT AND SECURE STAKING OF THE FIBER
ROLL IN A TRENCH 3"-5" DEEP, DUG ON CONTOUR. RUNOFF MUST NOT BE ALLOWED TO RUN
UNDER OR AROUND FIBER ROLL.
FIBER ROLL EROSION BARRIER 2
FIBER ROLL EROSION BARRIER
LIMIT OF DISTURBED AREA
INLET SEDIMENT PROTECTION
LEGEND
DRAIN INLET PROTECTION 1
KEY NOTE
N.T.S.
0
Scale 1" = ft10
10 20 30
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Consultants11/09/20
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Q = 0.03A floor + 7.5(N bedrooms +1)
Q = 0.03(732) + 7.5(1+1)
Q = 21.96 + 7.5(2)
Q = 21.96 + 15
Q = 36.96 CFM
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Independent Code
Consultants11/09/20
Independent Code
Consultants11/09/20