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✓12 FLOW CONTROL STRUCTURE NOTES:
INSTALL FLAP GATE
PLAN - FLOW CONTROL STRUCTURE
SCALE: NTS
RIM ELEVATION = +27.3 -
HANDHOLD -------
STANDARD GALV STEEL
LADDER/STEPS, SEE
NOTES 8 AND 10____
LIFT HANDLE,
SEE NOTE 3
SHEAR GATE,
8" 0 MIN,
SEE NOTE 2
18" INLET
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ELEV = +19.9 N �
INSTALL FLAPGATE
SEE NOTE 9
CD z:
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18"
MIN
1. REFER TO WSDOT STD PLAN B-10.40-00 AND
ASSOCIATED PLAN NOTE 1 FOR VERTICAL PIPE
SUPPORT(S).
2. REFER TO WSDOT STD PLAN B-10.40-00 AND
ASSOCIATED PLAN NOTES 4, 7, 8, AND 9 FOR
SHEAR GATE.
3. REFER TO WSDOT STD PLAN B-10.40-00 AND
ASSOCIATED PLAN NOTE 7 FOR LIFT HANDLE.
4. REFER TO WSDOT STD PLAN B-10.40-00 AND
ASSOCIATED PLAN NOTE 1, 2, 3 AND 5 FOR
VERTICAL RESTRICTOR/SEPARATOR PIPE.
5. PIPE SIZES AND SLOPES PER PLANS.
6. METAL PARTS: CORROSION RESISTANT. GALVANIZED
PARTS TO HAVE ASPHALT TREATMENT 1 PER
WSDOT STD SPEC. 9-05. 4 (4)
7. LADDER/STEPS SHALL EXTEND TO WITHIN 16" OF
BOTTOM OF CATCH BASIN.
8. SEE DRAINAGE PROFILE PLANS FOR ADDITIONAL
RIM ELEVATION, PIPE INVERTS, STRUCTURE TYPE,
PIPE MATERIAL AND STATIONING.
9. INSTALL FLAP GATE SIMILAR TO EXISTING
FLAPGATE LOCATED IN CB #1318 AND AS
APPROVED BY ENGINEER.
10. ORIFICE SIZE SHOWN OBTAINED FROM RECORD
DRAWINGS. CONTRACTOR SHALL FIELD VERIFY
ORIFICE DIAMETER ON EXISTING CB #1318 AND
DUPLICATE SIZE ON NEW RISER PIPE IN SD7.
ELEV = +24.3
PIPE SUPPORT, SEE NOTE 1
ELEV = +19.9
18" 0 RESTRICTOR/SEPARATOR
PIPE SEE NOTE 4
- RESTRICTOR PLATE WITH 4-3/8"
ORIFICE CUT ROUND AND SMOOTH
ELEV = +17.9, SEE NOTE 10
72" 0 TYPE 2 CATCH BASIN
d � MODIFIED AS SHOWN
a BOTTOM ELEVATION = +15.9
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2 SECTION - FLOW CONTROL STRUCTURE
SCALE: NTS
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REVISION BY DATE APPR Peo ,,._
GUTTER
8" WHITE THERMOPLAS-
RAMP (TYP) LINE
6" MIN (TYP)
A CROSSWALK DETAIL
SCALE: NTS
AS SHOWN Da:Dw".w
DATUM
Approved For BID
Robert M. Hanson P.E. Date
° CITY OF
RENTON
Public Works Department
Approved For Construction
\-ST
S 7TH ST. AND SHATTUCK AVE S
MISCELLANEOUS DETAILS
SHEET 2
ELO8//23/16
I —IN. No
MD-2