Loading...
HomeMy WebLinkAbout216.10POLYETHYLENE CAP PROVIDE ADEQUATE STRAPPING CORRUGATED METAL RISER TACK WELD WATERTIGHT COUPLING PERFORATED POLYETHYLENE DRAINAGE TUBING, DIAMETER 2" MIN. LARGER THAN DEWATERING ORIFICE. TUBING SHALL COMPLY WITH ASTM F667 AND AASHTO M294 CONCRETE BASE (ALTERNATIVELY, METAL STAKES AND WIRE MAY BE USED TO PREVENT FLOTATION) DEWATERING ORIFICE, SCH 40 STEEL STUB, MIN. DIAMETER AS PER CALCULATIONS IN SECTION D.2.1.5.2 OF THE CITY OF RENTON SURFACE WATER DESIGN MANUAL 3.5' MIN. 6" MIN. 18" MIN. 2 x RISER DIA. MIN. 1.SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS. NOTES: RISER PIPE (PRINCIPAL SPILLWAY) OPEN AT TOP WITH DEBRIS BARRIER, SEE STD. PLAN 234.20 SEDIMENT POND RISER DETAIL STD. PLAN - 216.10 PUBLIC WORKS DEPARTMENT APPROVED: DATEMartin Pastucha Public Works Administrator UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) DocuSign Envelope ID: 3B1B34D3-7E0A-476C-ADB3-4329FFE0C108 8/13/2020 | 8:48 AM PDT