Ductile Iron Pipe Sample Clauses

Ductile Iron Pipe. A. Design and Manufacture of Pipe:
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Ductile Iron Pipe a. Use push-on joints whenever possible. Use pipe lubricant. Join pipe in the manner recommended by manufacturer and in accordance with accepted industry practices.
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Ductile Iron Pipe. A. General
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Ductile Iron Pipe. The pipe and fittings shall be inspected for defects before installation. All lumps, blisters and excess coating shall be removed from the xxxx and spigot ends of each pipe, the outside of the spigot and the inside of the xxxx shall be wire-brushed and wiped clean and dry, and be free from oil and grease before the pipe is laid. All pipe coatings shall be checked prior to being laid. All coatings shall be repaired or the pipe replaced as directed by the District. The cutting of pipe for inserting fittings or closure pieces shall be done in a neat and workmanlike manner, without damage to the pipe or coating and so as to leave a smooth end at right angles to the axis of the pipe. Field kit epoxy shall be applied to all cut pipe. Pipe shall be laid with xxxx ends facing uphill. For connection of mechanical joints, the socket, plain end of each pipe and gasket shall be cleaned of dirt before joining, and shall be joined according to manufacturer's directions. Bolts shall be tightened alternately at top, bottom and sides, so pressure on gasket is even. When metallic pipes are installed in locations of active or abandoned sewer drain fields, the metallic pipe shall be wrapped using American V-Bio Poly Encasement or equal and the pipes bedded and covered with 6” of clean, imported material.
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Ductile Iron Pipe. Installation and joining of ductile iron pipe shall be performed in accordance with the requirements of ANSI/AWWA C600, latest revision, and with the requirements of these Specifications. Ductile iron pipe shall be installed so as to conform to the alignment and grade shown on the Drawings. If other utilities, pipe, cables, conduits. etc., are encountered they shall be handled as described in these Specifications. Ductile iron pipe shall be laid so that the invert elevations will correspond to those shown on the Drawings for the particular stations along the pipe line; and the difference in elevation between any two consecutive grade points (elevation control points or stations) shall be uniformly and proportionately distributed between the pipe lengths comprising the section of pipe line between such control points. The maximum deflection for a particular size and length of pipe shall be in accordance with the manufacturer's recommendations. Proper and suitable tools and appliances for handling of the pipe shall be used. The bottom of the trench shall be prepared as described in these Specifications. Each piece of pipe or fitting shall be cleaned and carefully examined for defect. No defective pipe or fittings shall be used. If a defective piece should be discovered after having been used it shall be removed and replaced with a non-detective piece by the Contractor at the Contractor's expense. The pipe shall be accurately installed to the lines and grades shown on the Drawings. Whenever a length of pipe requires cutting to fit the lines, it shall be done as to leave a smooth end at right angles to the axis of the line; and the Contractor shall not receive extra compensation for this work. Open ends of the unfinished pipe line shall be securely closed when the work is stopped temporarily at night or other times.
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Ductile Iron Pipe. A. Ductile iron pipe shall be manufactured in accordance with ANSI/AWWA C151/A21.51. All pipe, except specials, shall be furnished in nominal lengths of 18 to 20 feet. Sizes will be as shown on the Drawings. All pipe shall have a minimum pressure rating as indicated in the following table and corresponding minimum wall thickness, unless otherwise specified or shown on the Drawings: Pipe Sizes (inches) Pressure Class (psi) 4 - 12 350 14 - 18 350 20 300 24 250 30 - 64 200 B. Flanged pipe minimum wall thickness shall be equal to Special Class 53. Flanges shall be furnished by the pipe manufacturer.
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Ductile Iron Pipe. A. Ductile iron pipe shall have push-on joints, cement lining, bituminous exterior coating, and conform to AWWA C104, C111 and C151. Unless otherwise noted on the Drawings or in the bid proposal, provide Class 350 pipe for 4-inch to 20-inch diameter and Class 250 for 24-inch diameter and larger in accordance with AWWA C150. Provide restrained pipe joints and install polyethylene wrap where indicated on the Drawings or as indicated on the bid proposal.
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