HomeMy WebLinkAbout253.00DETENTION DESIGN WS
WQ DESIGN WS
ACCESS ROAD
SLOPE VEGETATION PER DETENTION
FACILITY REQUIREMENTS
INLET EROSION CONTROL/SLOPE
PROTECTION PER DETENTION
FACILITY REQUIREMENTS
INLET SUBMERGED 12" MIN.
2' MIN.
FIRST CELL
DEPTH 4' MIN.
TO 8' MAX.
SEDIMENT STORAGE
DEPTH, 12" MIN.
IF REQUIRED, PLACE LINER IN
SECOND CELL TO HOLD WATER
FLOW CONTROL OUTLET
STRUCTURE PER STD.
PLANS 237.00 - 237.20
2'-6" MAX.
DETENTION PER DETENTION
FACILITY REQUIREMENTS
NOTES:
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 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.
3
1
SEE NOTE 4 (TYP.)
PLANT 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
PLAN VIEW
QUARRY SPALL PAD
SECTION VIEW
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
TOP OF BERM TO BE LEVEL AND AT OR 1' BELOW
WATER QUALITY (WQ) DESIGN WATER SURFACE (WS)
OUTLET PIPE SIZED PER
DETENTION FACILITY
REQUIREMENTS
COMBINED DETENTION AND
STORMWATER WETLAND
STD. PLAN - 253.00
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEGregg Zimmerman
Public Works Administrator
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
9/28/2018 | 9:45 AM PDT