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covers shall be delivered to the OWNER. Excavated manhole sections and excavated material <br />shall be disposed of at locations acquired by the CONTR.ACTOR at no additional cost to the <br />OWNER. <br />Construction Water <br />This CONTRACTOR shall pay for all construction and testing water. He will pay the bill <br />directly to the supplier. <br />Construction Electricitv <br />This CONTRACTOR shall pay for all construction and testing electricity. The construction <br />meter shall be in the CONTRACTOR'S name, and he shall pay the power company directly. <br />No Blasting <br />The CONTRACTOR shall not use explosives for any purpose in the prosecution of this work. <br />Sanitation <br />Necessary sanitation conveniences for the use of laborers on the work shall be furnished and <br />maintained by the CONTRACTOR, in acceptable locations properly secluded from the public, <br />and their use shall be enforced. <br />PVC Plastic Pipe - Gravitv Sewers <br />Polyvinyl Chloride (PVC) plastic sewer pipe shall have integral wall bells and shall be <br />recommended by its manufacturer for use as a gravity sewer conduit. Provisions must be made <br />for contraction and expansion at each joint, with a rubber ring. The bell shall consist of an <br />integral wall section, stiffened with two PVC stiffening rings which securely lock the solid cross- <br />section rubber ring into position. The rubber ring shall conform to ASTM F-477. <br />The pipe shall be made from clean, virgin PVC compound conforming to ASTM resin <br />specifications D1784. Clean reworked material generated from the manufacturer's own pipe <br />production may be used. <br />SDR PVC pipe furnished under this specification may be manufactured in three standard laying <br />lengths-20 feet, 12-1/2 feet, and 10 feet and shall conform to ASTM D-3034, SDR 35. Pipe wall <br />shall be marked as to manufacturer, SDR rating, ASTM D-3034 and run number. Pipe joints <br />shall conform with ASTM D-3212. <br />Where the drawings specify new SDR 26 PVC pipe, the finished pipe shall conform to ASTM <br />D-2241, and the gasket joint to ASTM D-3139. Each joint shall bear the seal of approval of <br />NSF, indicating that the pipe is suitable for conveying potable water. The pipe shall bear <br />markings on each run or lot. Manufacturer's certificate of test and compliance shall be furnished <br />on all PVC pipe. <br />99 <br />