HomeMy WebLinkAbout249.30PLANT WITH WETLAND PLANTS PER
TABLE 6.4.1.A OF THE CITY OF RENTON
SURFACE WATER DESIGN MANUAL
ACCESS ROAD
ACCESS ROAD
SPILLWAY
WETLAND CELLFIRST CELL (FOREBAY)
INFLOW
INLET WITH SPILL CONTROL
WQ DESIGN WS
1.THIS DETAIL IS A SCHEMATIC REPRESENTATION ONLY. ACTUAL CONFIGURATION WILL VARY DEPENDING ON SPECIFIC SITE CONSTRAINTS AND
APPLICABLE DESIGN CRITERIA.
2.ACCESS ROAD AND RAMP SHALL MEET REQUIREMENTS IN STD. PLAN 234.50.
3.ALL FACILITIES SHALL BE FENCED. FENCE SHALL BE PROVIDED AROUND FACILITY ALLOWING PROPER MAINTENANCE PER STANDARD PLANS UNLESS
OTHERWISE SPECIFIED. FENCE TO BE PROVIDED IN ACCORDANCE WITH STD. PLAN 234.40.
4.WHEN CONNECTING TO A NEW PIPE, USE A FLEXIBLE CONNECTOR (KOR-N-SEAL BOOT WITH CORRUGATED PIPE ADAPTER OR APPROVED EQUAL). WHEN
CONNECTING TO AN EXISTING PIPE, USE A FABRICATED SAND COLLAR OF THE SAME MATERIAL AS THE CONNECTING PIPE.
5.SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS.
PLAN VIEW
INLET SUBMERGED 12" MIN.
INLET EROSION CONTROL/SLOPE
PROTECTION PER DETENTION
FACILITY REQUIREMENTS
MANHOLE OR TYPE 2 CATCH BASIN
IF REQUIRED, PLACE LINER IN
SECOND CELL TO HOLD WATER
2' MIN.
FIRST CELL DEPTH
4' MIN. TO 8' MAX.
TOP OF BERM TO BE LEVEL AND AT
OR 1' BELOW WATER QUALITY (WQ)
DESIGN WATER SURFACE (WS)
SEDIMENT STORAGE
DEPTH = 12" MIN.
2.5' MAX.
SECTION VIEW
NOTES:
QUARRY SPALL PAD
SEE NOTE 4 (TYP.)
OUTLET PIPE SIZED TO PASS PEAK FLOW
FOR CONVEYANCE REQUIREMENTS
IF TOP OF BERM IS SUBMERGED 1' BELOW WQ
DESIGN WS, BERM SIDE SLOPES MAY BE 2H:1V,
OTHERWISE SIDE SLOPES MUST BE 3H:1V
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEGregg Zimmerman
Public Works Administrator
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STORMWATER WETLAND OPTION A
STD. PLAN - 249.30
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9/28/2018 | 9:45 AM PDT