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GENERALNOTES
1. UNLESS OTHERWISE NOTED, ALL DIMENSIONS ARE IN FEET.
2. ALL PROPOSED CATCH BASINS SHALL HAVE VANED GRATES,
PER CITY OF RENTON FWD STD PLAN 204.20
STORM DRAINAGE NOTES
OADJUST INLET OR CATCH BASIN TO GRADE
OADJUST MANHOLE TO GRADE
OADJUST STORM DRAIN MANHOLE WITH V RISER
4O REMOVE INLET OR CATCH BASIN
OREMOVE STORM DRAIN PIPE
6O REPLACE GRATE WITH SOLID LOCKING METAL COVER PER
CITY OF RENTON PWD STD PLAN 204.10
OCONNECTION TO EXISTING DRAINAGE STRUCTURE
OINSTALL CATCH BASIN TYPE 1 PER
CITY OF RENTON PWD STD PLAN 200.00
9O INSTALL CATCH BASIN TYPE 2 PER
CITY OF RENTON PWD STD PLAN 201.00
C/) 10 INSTALL 4'x4'FILTERRA WATER QUALITY UNIT
- 11 INSTALL 4'x6'FILTERRA WATER QUALITY UNIT
00_ 12 INSTALL 4'x8'FILTERRA WATER QUALITY UNIT
GLLl INSTALL 4'x4' MODULAR WETLAND WATER QUALITY UNIT
14 INSTALL 4'X6' MODULAR WETLAND WATER QUALITY UNIT
— as 16 INSTALL 4'x8' MODULAR WETLAND WATER QUALITY UNIT
16 INSTALL FLOW CONTROL STRUCTURE PER
CITY OF RENTON PWD STD 237.00
—18+00 17 CONNECTION TO EXISTING PIPE
INSTALL STATION SHELTER DOWNSPOUT THROUGH CURB
DRAIN, PER DETAIL 1/1 DRD.02
1S INSTALL STATION SHELTER DOWNSPOUT TO LANDSCAPING,
PER DETAIL 1/1 DRD.03
g5 20 INSTALL 12'X6' OIL WATER SEPARATOR UNIT PER CITY OF
RENTON PWD STD 240.10
LEGEND
o EXISTING CATCH BASIN
O EXISTING MANHOLE
- So EXISTING STORM DRAIN PIPE
1111 CATCH BASIN TYPE 1
O CATCH BASIN TYPE
—sG— STORM DRAIN PIPE
King County
METRO
0' 20' 40'
SCALE: 1"=40'
METRO TRANSIT CAPITAL DIVISION
RAPIDRIDE I LINE
RENTON SEGMENT
DRAINAGE PLAN
108TH 13+00 TO 108TH 18+00
NOVEMBER 2021
1 C7.21
W: of
223 XXXX
R-4214223