2008-276 D - Laserfiche WebLink

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2. PVC schedule 80 shall meet the requirements of ASTM standard D 17 85 for physical dimensions and tolerances. 3. The marking on PVC Schedule 80 pipe shall meet the requirements of ASTM D1785 and state the material designation code, nominal pipe size, schedule of pipe, pressure rating in psi for water at 73° F., the ASTM designation number D1785 and the NSF seal for potable water. 4. Fittings used shall be PVC Schedule 80 and solvent welded in accordance with ASTM D1785. 5. Small Diameter PVC Pipe: PVC pipe smaller than 4 -inch shall be schedule 80 PVC plastic pipe with solvent weld fittings in accordance with ASTM D-1785. 6. PVC Drain Pipe: PVC drain pipe shall be PVC sewer pipe and fittings, ASTM D- 2729. 7. All underground sodium hypochlorite piping shall maintain constant slope as indicated on drawings. Provide top of pipe elevations every ten (10) -feet. Verify with Engineer. B. Containment Piping 1. The pipe and fittings shall be of the same material for both the primary and secondary piping. The primary piping shall be Sch. 80 and that secondary pipe may be Sch. 40. 2. Containment piping shall have centralizers and non -split, containment fitting termination test plugs with test port on secondary pipe. 3. Containment piping to have rectangular FRP or PVC sumps with bolt down lid as indicated on the Contract Drawings. Sumps must be of sufficient depth to allow installation of secondary pipe drain valve and temporary connection of evacuation PUMP, 4. Primary piping to be tested to 150 psig for 1 hour without any pressure drop (less than 2%). Any leaks, visual or test failure shall be corrected at no cost to the Owner. After the primary piping pressure is successfully completed, the Secondary containment shall be pressure tested to 20 psi with less than 5% loss over 1 hour. During the secondary piping pressure test, the primary pipe shall remain full and pressurized to a minimum of 30 psi. 2.06 SULFURIC ACID AND ZINC ORTHO SYSTEM PIPING AND VALVES A. All piping and pipe fittings shall be Schedule 80 CPVC in the appropriate diameters, in accordance with the piping section of these specifications and the drawings. Tubing used to connect the pump ports to the suction and discharge headers shall be manufactured from PFA. Tube fittings shall be constructed from PFA and manufactured by Whitey, or equal. All fittings material must be compatible with 93% - 98% sulfuric acid by weight. 044572017 15100-6