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METRO PROJECT ENGINEER ICxwxxxxxx
1
GENERALNOTES
1. UNLESS OTHERWISE NOTED, ALL DIMENSIONS ARE IN FEET.
2. ALL PROPOSED CATCH BASINS SHALL HAVE VANED GRATES,
PER CITY OF RENTON PWD STD PLAN 204.20
STORM
DRAINAGE
NOTES
OADJUST
INLET OR CATCH BASIN TO GRADE
OADJUST
MANHOLE TO GRADE
O3
ADJUST STORM DRAIN MANHOLE WITH V RISER
O4
REMOVE INLET OR CATCH BASIN
OREMOVE
STORM DRAIN PIPE
O6
REPLACE GRATE WITH SOLID LOCKING METAL COVER PER
CITY OF RENTON PWD STD PLAN 204.10
O7
CONNECTION TO EXISTING DRAINAGE STRUCTURE
INSTALL CATCH BASIN TYPE 1 PER
CITY OF RENTON PWD STD PLAN 200.00
09 p Og INSTALL CATCH BASIN TYPE 2 PER
N CITY OF RENTON PWD STD PLAN 201.00
n
U 10 INSTALL 4'x41FILTERRA WATER QUALITY UNIT
11 INSTALL 4'x6'FILTERRA WATER QUALITY UNIT
44 LLJ 12 INSTALL 4'1 WATER QUALITY UNIT
S
(n 13 INSTALL 4'x4' MODULAR WETLAND WATER QUALITY UNIT
1 LLJ 14 INSTALL 4'x6' MODULAR WETLAND WATER QUALITY UNIT
(n LJ
16 INSTALL 4'x8' MODULAR WETLAND WATER QUALITY UNIT
16 INSTALL FLOW CONTROL STRUCTURE PER
J _ 1 CITY OF RENTON PWD STD 237.00
tl O
17 CONNECTION TO EXISTING PIPE
n 18 INSTALL STATION SHELTER DOWNSPOUT THROUGH CURB
DRAIN, PER DETAIL 1/1 DRD.02
W
O 19 INSTALL STATION SHELTER DOWNSPOUT TO LANDSCAPING,
'o PER DETAIL 1/1 DRD.03
LLJ 20 INSTALL 12'XS OIL WATER SEPARATOR UNIT PER CITY OF
Z RENTON PWD STD 240.10
= LEGEND
U
Q o EXISTING CATCH BASIN
O EXISTING MANHOLE
GO EXISTING STORM DRAIN PIPE
m CATCH BASIN TYPE 1
O CATCH BASIN TYPE
—sG— STORM DRAIN PIPE
King County
METRO
Y
0' 20' 40'
SCALE: 1"=40'
METRO TRANSIT CAPITAL DIVISION
RAPIDRIDE I LINE
RENTON SEGMENT
DRAINAGE PLAN
CAR 52+50 TO 108TH 4+00
NOVEMBER 2021
1 C7.19
IND: of
221 XXXX
R-4214221