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20' MIN CLEARANCE TO ANY PORTION OF THE
RISER PIPE OR RESTRICTOR ELBOW
RESTRICTOR ELBOW
SEE DETAIL THIS SHEET
31GNIII aGULei .IM 1
STD. GALV. STL.
STEPS & LADDER
REFER TO TABLE FOR
RISER DIAMETER
RESTRICTOR ORIFICE 2
EL = SEE TABLE
0= SEE TABLE
PIPE SUPPORT (2 MIN):
3"X0.090"ALUMINUM /
Wla STAINLESS BOLTS J
OUTLET PIPE, SEE TABLE � 1' MIN.
SIZED TO FIT
OUTER DIAMETER
OF RISER
4-9"Xi "X12 GA. GALV.
STRIPS TACK WELD TO
• WIRE WESH
z • • 0.5"1.YI GA. GALV.
g WIRE MESH
N
8" MIN BETWEEN PIPE TACK WELD WIRE MESH TO
PENETRATIONS BOTTOM PLACE
(TYPICAL ALL PIPES)
SOLID 12 GA. GALV. BOTTOM
PLATE
FLOW CONTROL SCREEN
FRAME AND SOLID COVER MARKED
"DRAIN" WITH LOCKING BOLTS PER CITY
OF RENTON STD. PLANS 204.40 AND 240.50
INLET PIPE, SEE TABLE
REMOVALBLE
WATER TIGHT
COUPLING
METAL PIPE
DESCRIPTION
STRUCTURE ID
FCS (1-24C)
LOADING CRITERIA
LOAD LEVEL 6
STRUCTURE DIAMETER (IN)
54" TYPE 2 CB
RIM ELEVATION
31.43'
INLET PIPE SIZE (IN)
36.00"
INLET PIPE INVERT ELEVATION
25.20'
OUTLET PIPE SIZE (IN)
18.00"
OUTLET PIPE INVERT ELEVATION
25.20'
RISER PIPE DIAMETER (IN)
12.00"
RISER PIPE ELEVATION
29.60'
RESTRICTOR ORIFICE 1 DIAMETER (IN)
1.25"
RESTRICTOR ORIFICE 2 DIAMETER (IN)
2.00"
RESTRICTOR ORIFICE 1 ELEVATION
20.40'
RESTRICTOR ORIFICE 2 ELEVATION
22.70'
BOTTOM OF STRUCTURE ELEVATION
19.90'
100 - YEAR PEAK FLOW (CFS)
0.31
f
SAND COLLAR OR Z
KOR-N-SEAL BOOT m
N Z
$HER G TYPE
F SHEAR GATE PLATE WITH ORIFICE 2 AS
µirlffj Z SPECIFIED, BOLTED TO
RESTRICTOR ORIFICE 1 41t4 FLANGE OR DRILLED CAP
3 EL = SEE TABLE B"
O=SEE TABLE N �. MAX.
Is.PLATE BOLTED TO FLANGE BOTTOM OF STRUCTURE, SEE TABLE
OR DRILLED CAP
F
FLOW CONTROL SCREEN
ELEVATION VIEW
0
4
% a
a W g DETAIL ll1
SCALE: 1" = 20' 7C7.10
.50
xfr
E ROKED
�w 60% SUBMITTAL 7 J.GREDESIGNEN P.ENG
°og Jacobs Ail J.
'GREEN P. ENG
�4,5 of WA3 9�j�, DRNNN:
King County
y i J'0 i H. CHECKED
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p No. RE'dGGv BY FPF'B B:TE
METRO PROJECT ENGINEER CXX%%%%%X
METRO TRANSIT CAPITAL DIVISION
RAPIDRIDE I LINE
RENTON SEGMENT
DRAINAGE DETAILS
8OF8
NOVEMBER 2021
1 DRD.08
£TNO: C
237 XXXX
R-4214237