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SITE SPECIFIC DATA
PROJECT NUMBER
14053
PROJECT NAME
RAPIDRIDE I LINE
PROJECT LOCATION
RENTON, WA
STRUCTURE ID
TREATMENT (1-2)
TREATMENT REQUIRED
VOLUME BASED (CF)
FLOW BASED (CFS)
0.08
PEAK BYPASS REQUIRED (CFS) - IF APPLICABLE
0.499
PIPE DATA
I.E.
MATERIAL
DIAMETER
INLET PIPE 1
28.51
DI
12"
OUTLET PIPE
27.18
CPE
12"
PRETREATMENT
BIOFILTRATION
DISCHARGE
RIM ELEVATION
32.68
32.68
32.68
PEAK HGL
29.17
29.17
29.17
SURFACE LOAD
HS-20
HS-20
HS-20
FRAME & COVER
030"
030"
N/A
WETLAND MEDIA VOLUME (CY)
3.56
ORIFICE SIZE (DIA. INCHES)
4 EA 00.77"
TREATMENT FLOW (CFS)
0.08
OPERATING HEAD (FT)
1.33
PRETREATMENT LOADING RATE (GPM/SF)
1.2
WETLAND MEDIA LOADING RATE (GPM/SF)
0.84
GENERAL NOTES:
1. MANUFACTURER TO PROVIDE ALL MATERIALS UNLESS OTHERWISE NOTED.
2. ALL DIMENSIONS, ELEVATIONS, SPECIFICATIONS AND CAPACITIES ARE SUBJECT TO CHANGE. FOR
PROJECT SPECIFIC DRAWINGS DETAILING EXACT DIMENSIONS, WEIGHTS AND ACCESSORIES PLEASE
CONTACT MANUFACTURER.
INSTALLATION NOTES:
1. CONTRACTOR TO PROVIDE ALL LABOR, EQUIPMENT, MATERIALS AND INCIDENTALS REQUIRED TO
OFFLOAD AND INSTALL THE SYSTEM AND APPURTENANCES IN ACCORDANCE WITH THIS DRAWING AND
THE MANUFACTURERS' SPECIFICATIONS, UNLESS OTHERWISE STATED IN MANUFACTURER'S CONTRACT.
2. UNIT MUST BE INSTALLED ON A MINIMUM 6" LEVEL ROCK BASE.
3. CONTRACTOR TO SUPPLY AND INSTALL ALL EXTERNAL CONNECTING PIPES. ALL PIPES MUST BE FLUSH
WITH INSIDE SURFACE OF CONCRETE (PIPES CANNOT INTRUDE BEYOND FLUSH). INVERT OF OUTFLOW
PIPE MUST BE FLUSH WITH DISCHARGE CHAMBER FLOOR. ALL PIPES SHALL BE SEALED WATERTIGHT PER
MANUFACTURER'S STANDARD CONNECTION DETAIL.
4. CONTRACTOR RESPONSIBLE FOR INSTALLATION OF ALL PIPES, RISERS, MANHOLES, AND HATCHES.
CONTRACTOR TO GROUT ALL MANHOLES AND HATCHES TO MATCH FINISHED SURFACE UNLESS
SPECIFIED OTHERWISE.
5. CONTRACTOR RESPONSIBLE FOR CONTACTING MANUFACTURER FOR ACTIVATION OF UNIT.
MANUFACTURER'S WARRANTY IS VOID WITHOUT PROPER ACTIVATION BY A MANUFACTURER
REPRESENTATIVE.
6. ALL HATCHES AND MANHOLE LIDS FOR ACCESS SHALL BE FLUSH WITH ADJACENT GROUND.
7. DURING CONSTRUCTION, STORMWATER RUNOFF SHALL NOT ENTER THE TREATMENT FACILITY UNLESS
APPROVED BY THE ENGINEER.
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PERIMETER
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SEE NOTES
OUTLET PIPE,
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PLAN VIEW
RIM/FS,
SEE TABLE
FINISHED GRADE
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SEE TABLE
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SEE TABLE
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FRAME AND COVER
FINISHED GRADE FRAME AND COVER
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LEFT END VIEW
SECTION
SCALE: NOT TO SCLAE
FINISHED GRADE
ELEVATION VIEW RIGHT END VIEW
SECTION SECTION
SCALE: NOT TO SCALE - MODULAR WETLAND 1-2 SCALE: NOT TO SCLAE
DEVELOPMENT ENGINEERING
DETAIL Michael Sippo 09/11 /2024
SCALE: NOT TO SCALE 1DRP.03
R-4214217
AD -READY SUBMITTAL
DESIGNED: APPROVED: METRO TRANSIT CAPITAL DIVISION DATE:
.�� B. �j W. HICKEY G. FRANCO RAPT DRI DE 1 LINE JUNE 2024
7
(425) 453-5000 yy aF W h j �'�- DRAWN:
1100 112TH AVE NE, SUITE 500 �w �, King County
A coBELLEVUE, WA 98004 H. JOHNSON La
CHECKED: PROJECT NO: R E N TO N SEGMENT DRAWING NO:
° GisTV, J.ETULAIN E00566E18 MET DRAINAGE DETAILS 1 DRD.05
No. REVISION BY APP'D DATE sIONAL S 06112124 CHECKED: CONTRACT NO: 50F8 SHEET NO: OF
K.CHANG YUEN CXXXXXXXX 239 473