HomeMy WebLinkAbout262.00FCR EDGE TREA71MENTOPTIONS
SEE STD PLAN 262 20
6" MIN. SEE NOTE 3
TOP OF HANK
ELEVATION
,1
TT
DESIGNER TO SPECIFY WATER ST'C %,UE U.9LV ION
I
OVERFLOW CTR L -CT U RE PER STO PLAN
262 AD UNLESS SPECIFIED OTHERWISE
BOTTOM IA4DTFi
MIN ib" SIDEWALK OR LANDSCAPING -
6" MLN 5p MIN
11 "17'aI�NG
FREEBOARD
DEPTH r• .
OVERFLOW TO STORM MAIN
17" MIN ABOVE
SEASONAL HIGH
GROUNCWATER OR
HYDRAULICALLY
RESTRICTIVE (AVER
Ah CLE DF REPI7SE
L BIORETENTION SOIL MIX SEE NOTE 3
SC.ARYFIE❑ ANO'LINCOMPACTEO SUBGRADE
SEE NOIES 1 AND 2
GRAVEL BASE, SEE STD PLAN 26240
NOTES:
1 AVOID COMPACTION OF EXISTING SUBGRAOE BELOW BASIN
2 SCARIFY SUBORADE70A DEPTH OF 3INCHES MINIMUM IMMEDIATELY PRIOR TO PLACEMENT OF BIORETENTION SOIL MIX
(3SM) AND UNOERDRAIN AGGREGATE
16^ MIN BIORETENTION SOIL MIX ON BOTTOM AND SIDES TO TOP OF P17NOING AREA BIORETIENTION SOIL MIX TO MEET
SPECIFICATION IN THE CFIY OF RENTON SURFACE WATER DESIGN MANUAL (SWOM), REFERENC=_ SECTION 1$-C
4 ARBORIST 5^=0 CHIP MULCH TO MEET SPECIFICATION IN SWDM. REFERENCE SECTION I 1 3 A
5 DO NOT USE FILTER FABRIC BETWEEN SLY@GRADE AND THE BIORETENTION MIX
,6 MAXiMUM LONGITUDINAL SLOPE €,ALONG DIRECTION OF FLOW) OF BIORETENTION SW4ALES SHALL HE 5%
GENERAL NOTES:
1 MINIMUM UTILITY SETBACKS AND PROTECTION MEASURES MUST CONFORM TO THE S'AOM APPENDIX C 2 5, CURRENT CITY
STANDARDS. AND STD PLANS 265 0P 265 14 AND 26520 COORDINATE W TH CITY E=NGINEER IN THE EVENT OF UTILITY'
CROSSINGS OR CONFLICTS
2 HaM PLACEMENT, GRADING, AND CONSOLIDATION SHALL NOT OCCUR MIEN THE BSM IS EXCESSIVZLY WET OR HAS BEEN
SUBJECTED 717 MORE THAN 1.r7" DR PRECIPITATION %ITHYN AS HOURS PRIOR TO PLACEMENT EXCESSIVELY WET IS DEFLNED
AS BEING AT OR. ABOVE 22% SO L. MO STORE BY A GENERAL TOOLS AND INSTRUMENTS OS16110504 PRECISION DIGITAL SOIL
MOISTURE METER VATH PRDBL (OR LQU: VALENT) THERE SHOULD BE NO VISIBLE FREE WATER IN THE MATERIAL THE
CONTRACTOR SHALL PLACE BSM LOOSELY WTH A CONVEYOR BELT OR WTH AN EXCAVATOR OR LOADER FROM A HE15HT
NO HIQHER THAN 6 FEET, UNLESS OTHERWISE APPROVED BY THE ENGINEER [I E . DO NOT DIJMP MATERIAL DIRECTLY FROM
TRUCK INTO CELL) COMPACT BSM USING NON-M.ECHA-NRCAL COMPACTION METHODS (E IS - HOOT PACKING. HAND TAMPING.
OR WATER CONSOLIDATION) TO 834', (12%1 OF THE. MAXIMUM DRY DENSITY PER MODIFIED PROCTOR TEST (ASTM WS -W), OR
AS DIRECTED BY THE ENGINEER
U',l E55 OTHERWISE N17TED, QRAWING IS N,DTTo SCA'.- ;', f ii
STD. PIAN - 262.00VPUBLIC WORKS BIORETENTION SEMON ROVED
DEPARTMENT (NO UNDERDRAIIN)
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R17ADavAYr?%
PARKING L+7T k
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TRANSITION [CNE SCIL
SEE ST PLAN 262.21) —
2 A' DEPTH ARBORIST
WOOD CHIP MULCH
SEE NOTE 4
TOP OF HANK
ELEVATION
,1
TT
DESIGNER TO SPECIFY WATER ST'C %,UE U.9LV ION
I
OVERFLOW CTR L -CT U RE PER STO PLAN
262 AD UNLESS SPECIFIED OTHERWISE
BOTTOM IA4DTFi
MIN ib" SIDEWALK OR LANDSCAPING -
6" MLN 5p MIN
11 "17'aI�NG
FREEBOARD
DEPTH r• .
OVERFLOW TO STORM MAIN
17" MIN ABOVE
SEASONAL HIGH
GROUNCWATER OR
HYDRAULICALLY
RESTRICTIVE (AVER
Ah CLE DF REPI7SE
L BIORETENTION SOIL MIX SEE NOTE 3
SC.ARYFIE❑ ANO'LINCOMPACTEO SUBGRADE
SEE NOIES 1 AND 2
GRAVEL BASE, SEE STD PLAN 26240
NOTES:
1 AVOID COMPACTION OF EXISTING SUBGRAOE BELOW BASIN
2 SCARIFY SUBORADE70A DEPTH OF 3INCHES MINIMUM IMMEDIATELY PRIOR TO PLACEMENT OF BIORETENTION SOIL MIX
(3SM) AND UNOERDRAIN AGGREGATE
16^ MIN BIORETENTION SOIL MIX ON BOTTOM AND SIDES TO TOP OF P17NOING AREA BIORETIENTION SOIL MIX TO MEET
SPECIFICATION IN THE CFIY OF RENTON SURFACE WATER DESIGN MANUAL (SWOM), REFERENC=_ SECTION 1$-C
4 ARBORIST 5^=0 CHIP MULCH TO MEET SPECIFICATION IN SWDM. REFERENCE SECTION I 1 3 A
5 DO NOT USE FILTER FABRIC BETWEEN SLY@GRADE AND THE BIORETENTION MIX
,6 MAXiMUM LONGITUDINAL SLOPE €,ALONG DIRECTION OF FLOW) OF BIORETENTION SW4ALES SHALL HE 5%
GENERAL NOTES:
1 MINIMUM UTILITY SETBACKS AND PROTECTION MEASURES MUST CONFORM TO THE S'AOM APPENDIX C 2 5, CURRENT CITY
STANDARDS. AND STD PLANS 265 0P 265 14 AND 26520 COORDINATE W TH CITY E=NGINEER IN THE EVENT OF UTILITY'
CROSSINGS OR CONFLICTS
2 HaM PLACEMENT, GRADING, AND CONSOLIDATION SHALL NOT OCCUR MIEN THE BSM IS EXCESSIVZLY WET OR HAS BEEN
SUBJECTED 717 MORE THAN 1.r7" DR PRECIPITATION %ITHYN AS HOURS PRIOR TO PLACEMENT EXCESSIVELY WET IS DEFLNED
AS BEING AT OR. ABOVE 22% SO L. MO STORE BY A GENERAL TOOLS AND INSTRUMENTS OS16110504 PRECISION DIGITAL SOIL
MOISTURE METER VATH PRDBL (OR LQU: VALENT) THERE SHOULD BE NO VISIBLE FREE WATER IN THE MATERIAL THE
CONTRACTOR SHALL PLACE BSM LOOSELY WTH A CONVEYOR BELT OR WTH AN EXCAVATOR OR LOADER FROM A HE15HT
NO HIQHER THAN 6 FEET, UNLESS OTHERWISE APPROVED BY THE ENGINEER [I E . DO NOT DIJMP MATERIAL DIRECTLY FROM
TRUCK INTO CELL) COMPACT BSM USING NON-M.ECHA-NRCAL COMPACTION METHODS (E IS - HOOT PACKING. HAND TAMPING.
OR WATER CONSOLIDATION) TO 834', (12%1 OF THE. MAXIMUM DRY DENSITY PER MODIFIED PROCTOR TEST (ASTM WS -W), OR
AS DIRECTED BY THE ENGINEER
U',l E55 OTHERWISE N17TED, QRAWING IS N,DTTo SCA'.- ;', f ii
STD. PIAN - 262.00VPUBLIC WORKS BIORETENTION SEMON ROVED
DEPARTMENT (NO UNDERDRAIIN)
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