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Specifications - City of Montpelier, Vermont

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Title:<strong>Montpelier</strong> District Heating<strong>City</strong> <strong>of</strong> <strong>Montpelier</strong>, VT02700 – Sewerage and DrainageIssue Date:September 28, 2012Page #:8 <strong>of</strong> 10D. Use proper size increasers, reducers, and couplings, where different sizes or materials <strong>of</strong>pipes and fittings are connected. Reduction <strong>of</strong> the size <strong>of</strong> piping in the direction <strong>of</strong> flowis prohibited.E. Install gravityflowsystems piping at constant slope between points and elevationsindicated. Install straight piping runs at constant slope, not less than that specified,where slope is not indicated.F. Extend sewerage piping and connect to building's sanitary drains, <strong>of</strong> sizes and inlocations indicated. Terminate piping as indicated.G. Install sewerage piping pitched down in direction <strong>of</strong> flow, at slopes indicated, with coveras indicated.H. Install drainage piping pitched down in direction <strong>of</strong> flow, at slopes indicated, with coveras indicated.3.5 PIPE JOINT CONSTRUCTION AND INSTALLATIONA. General: Join and install pipe and fittings according to the following.B. Polyethylene (PE) Plastic Pipe and Fittings: As follows:1. Join pipe, tubing, and fittings with couplings for soiltight joints according toAASHTO "Standard <strong>Specifications</strong> for Highway Bridges," Division II,Section 26.4.2.4 "Joint Properties" and manufacturer's written instructions.2. Join pipe, tubing, and gasketed fittings with elastomeric seals for watertight jointsaccording to ASTM D 2321 and manufacturer's written instructions.3. Install according to ASTM D 2321 and manufacturer's written instructions.C. Polyvinyl Chloride (PVC) Plastic Pipe and Fittings: As follows:1. Join solventcementjoint pipe and fittings with solvent cement according to ASTMD 2855 and ASTM F 402.2. Join pipe and gasketed fittings with elastomeric seals according to ASTM D 2321.3. Join pr<strong>of</strong>ile sewer pipe and ribbed drain pipe and gasketed fittings with elastomericseals according to ASTM D 2321 and manufacturer's written instruction.4. Install according to ASTM D 2321.D. Join piping made <strong>of</strong> different materials or dimensions with couplings made for thisapplication. Use couplings that are compatible with and fit both systems' materials anddimensions.3.6 MANHOLE INSTALLATIONA. General: Install manholes, complete with accessories, as indicated.SEWERAGE AND DRAINAGE 02700 8

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