HomeMy WebLinkAboutR-3693087O
z
TOP OF POND
EL = +28.0� C5 g'
EMERGENCY OVERFLOW WS = +27.5
OVERFLOW N
EL = +27.0
DESIGN WSJ
EL = +26.7 FILTER FABRIC BELOW
QUARRY SPALLS, TYP
r
2'-0" MIN
CLEARANCE
A SECTION - POND OVERFLOW SPILLWAY
SCALE: N.T.S.
B
2"
LL
PLAN - FLOW CONTROL STRUCTURE
N SCALE: NTS
o
N
Z
E
FEDAID: STPUL-1276(004)
HPP-1276(005)
T SOME DATA ON RECORD DRAWINGS
IS BASED UPON INFORMATION
PROVIDED BY THE CONSTRUCTION
in CONTRACTOR TO THE CITY OF
.. RENTON, THE CORRECTNESS TO THIS
DATA HAS NOT BEEN VERIFIED.
STANDARD GALV STEEL
LADDER/STEPS, SEE
NOTES 8 AND 10 -
LIFT HANDLE,
SEE NOTE 3
POND DESIGN WS/
TOP OF RISER
EL = 26.67
SHEAR GATE,
8 " 0 MIN,
SEE NOTE 2
INLET Z
INLET FROM POND
±11 LF 18" RCP
IE (POND) =23.4
IE (NW) =23.85
SLOPE = -3.97
N
QUARRY SPALLS, SEE
3 TYP
1��
1'-0" THICK QUARRY SPALLS
BEGINNING AT INSIDE
FACE OF POND SLOPE
RIM ELEVATION = +26.7
OVERFLOW STRUCTURE PER CITY OF
RENTON STD PLAN 234.20
PIPE SUPPORT,
SEE NOTE 1
0.42RECTANGULAR NOTCH
BOTTOM ELEV = 25.8
RESTRICTOR PLATE WITH
1.12" ORIFICE CUT ROUND
AND SMOOTH ELEV = 25.42
8" ORIFICE ELBOW,
1�d f SEE NOTE 5, TYP
OUTLET PIPE
SEE NOTE 9
L-- ffi�m..
-ELEV = +23.85
18"0 RESTRICTOR/SEPARATOR
PIPE SEE NOTE 4
- RESTRICTOR PLATE
WITH 1.125" ORIFICE CUT
ROUND AND SMOOTH ELEV = +22.0
- 60"0 TYPE 2 CATCH BASIN
MODIFIED AS SHOWN
BOTTOM ELEVATION = +20.0
B SECTION - FLOW CONTROL STRUCTURE FOR POND
SCALE: NTS
CATCH BASIN, MANHOLE, WETWELL
OR VALVE/METER VAULT
1 1
MIN
CSBC
CONSTRUCTION GEOTEXTILE
FOR GRADE SEPARATION
6" MINIMUM
QUARRY SPALLS A OVERLAP (TYP)
2 QUARRY SPALL PAD UNDER STRUCTURES
SCALE: NTS
FLOW CONTROL STRUCTURE NOTES:
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. REFER TO ORIFICE ELBOW DETAILS SHOWN ON WSDOT STD PLAN B-10.40-00
6. PIPE SIZES AND SLOPES PER PLANS.
7. OUTLET CAPACITY: 100 YEAR, 24 HR STORM EVENT.
8. METAL PARTS: CORROSION RESISTANT. GALVANIZED PARTS TO HAVE ASPHALT
TREATMENT 1 PER WSDOT STD SPEC. 9-05. 4 (4)
9. METAL OUTLET PIPE CONNECTS TO HDPE. OUTLET PIPE TO HAVE SMOOTH OD
EQUAL TO CONCRETE PIPE ID LESS 1/4".
10. LADDER/STEPS SHALL EXTEND TO WITHIN 16" OF BOTTOM OF CATCH BASIN.
11. SEE DRAINAGE PROFILE PLANS FOR ADDITIONAL RIM ELEVATION, PIPE INVERTS,
STRUCTURE TYPE, PIPE MATERIAL AND STATIONING.
BergerABAM
333019th Avenue South, Suite 300
Federal Way, Washington 98003-2600
(206) 431-2300 Fax: (206) 431-2250
RECORD
DRAWINGBEE
�m-
AS SHOW"
`�"'
DATUM
RENTON TY OF
Public Works Department
Approved For Construction
Rohert M. Hanson P.F. Date
STRANPHASEER OIUSEGMENT A LEVARD EXTENSION
DRAINAGE DETAILS
SHEET 1
E�
KK Nns
�j°C
NO.
REVISION
BY
DATE
APPR
_
R-369387
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