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DocuSign Envelope ID:07A4359F-6D47-4987-B1F1-BF667ACBB3BA <br /> STORMWATER CONVEYANCE-334200 <br /> PART 2 - PRODUCTS <br /> 2.1 CORRUGATED-PE PIPE AND FITTINGS <br /> A. Source Limitations: Obtain corrugated-PE pipe and fittings from single manufacturer. <br /> B. Corrugated-PE Pipe and Fittings NPS 12 to NPS 60 (DN 300 to DN 1500): AASHTO M 294, Type <br /> S, with smooth waterway for coupling joints. <br /> C. Corrugated-PE Silttight Couplings: PE sleeve with ASTM D1056, Type 2, Class A, Grade 2 gasket <br /> material that mates with pipe and fittings. <br /> 2.2 PVC PIPE AND FITTINGS <br /> A. Source Limitations: Obtain PVC pipe and fittings from single manufacturer. <br /> B. NSF Marking: Comply with NSF 14, "Plastics Piping Systems Components and Related <br /> Materials," for plastic piping components. Include marking with "NSF-drain" for plastic storm <br /> drain and "NSF-sewer" for plastic storm sewer piping. <br /> C. PVC Water-Service Piping: <br /> 1. Pipe:ASTM D1785, Schedule 40 PVC, with plain ends for solvent-cemented joints. <br /> 2. Fittings: ASTM D2466, Schedule 40 PVC, socket type. <br /> D. Adhesive Primer: ASTM F656. <br /> PART 3 - EXECUTION <br /> 3.1 EARTHWORK <br /> A. Excavation,trenching, and backfilling are specified in Section 312000 "Earth Moving." <br /> 3.2 PIPING INSTALLATION <br /> A. General Locations and Arrangements: Drawing plans and details indicate general location and <br /> arrangement of underground storm drainage piping. Location and arrangement of piping <br /> layout take into account design considerations. Install piping as indicated, to extent practical. <br /> Where specific installation is not indicated,follow piping manufacturer's written instructions. <br /> B. Install piping beginning at low point, true to grades and alignment indicated with unbroken <br /> continuity of invert. Place bell ends of piping facing upstream. Install gaskets, seals, sleeves, <br /> and couplings in accordance with manufacturer's written instructions for use of lubricants, <br /> cements, and other installation requirements. <br /> Orange County Solid Waste Drainage Repairs DAA 2200365/TRC 017055.0000.0000 <br /> Drainage Repair Project November 2023 <br /> Orange County, NC 334200-2/3 <br />