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HomeMy WebLinkAbout237.20 (replaced 2020)DESIGN WS 1.OUTLET CAPACITY: 100 YEAR DEVELOPED PEAK FLOW. 2.METAL PARTS PREFERRED TO BE STAINLESS STEEL, ALUMINIZED STEEL, OR ALUMINUM. ALL OTHER STEEL PARTS MUST BE GALVANIZED WITH TREATMENTS 1, 2, OR 5. 3.CATCH BASIN: TYPE 2 MINIMUM 72" DIAMETER TO BE CONSTRUCTED IN ACCORDANCE WITH STD. PLAN 201.00 UNLESS OTHERWISE SPECIFIED. 4.BAFFLE WALL SHALL HAVE #4 BAR AT 12" SPACING EACH WAY. 5.PRECAST BAFFLE WALL SHALL BE KEYED AND GROUTED IN PLACE. 6.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. NOTES: FRAME AND ROUND SOLID COVER MARKED "DRAIN" WITH LOCKING BOLTS PER STD. PLAN 204.50 6" MIN.W WEIR SHAPE AS NEEDED FOR PERFORMANCE DESIGN WATER SURFACE (WS) SHEAR GATE WITH CONTROL ROD FOR DRAIN PER STD. PLAN 237.30 I.E. WEIR, INLET PIPE, AND DRAIN = CROWN OUTLET PIPE FLOW OUTLET PIPE FRAME ELEVATION PER PLANS12" MIN. UNDER PAVEMENT 2' MIN. 2' MIN. SECTION A SECTION B ISOMETRIC PLAN W LOCATE ADDITIONAL LADDER RUNGS (IN SETS) TO ALLOW ACCESS TO TANKS OR VAULTS WHEN SUMP IS FILLED WITH WATER SHEAR GATE. LOCATE HORIZONTAL FOR CLEARANCE WITH LADDER. ATTACH ROD TO SUPPORT BRACKET ON INSIDE OF ACCESS OPENING HANDHOLDS, STEPS OR LADDER (2 PLACES) A BSEE NOTE 6 (TYP.) 6" MIN., SEE NOTES 4 AND 5 FLOW CONTROL STRUCTURE - CONTROL WEIR STD. PLAN - 237.20 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