06-J Cox Field Water Main - Laserfiche WebLink

Home Browse Search

The specified embedme t shall be accurately shaped to receive the pipe barrel and each pipe section shall have a uniform bearing f r the full length of the pipe banel. Pipe shall not be laid unless the embedment surface is free of water. djustments of the pipe to line and grade shall be made by scraping away or filling in with embedment mat rial. Pipe sockets and spi; jointing. The pipe shall be cazefully s unnecessazy stressing. Consecutive j well lubricated with an approved vel shall be brought up tight in its con approved method, and the pipe adjus gasket of the joint shall be checked i jointed and has been checked for line on both sides of the pipe barrel. All IS degrees shall be field welded. Following the laying a crew that jarring will not disturb the o] the joint and filled with mortaz consis sand mixed with water to the consiste a flexible wire to insure filling of all v the same proportions by packing and ends shall be clean, dry and free of foreign matter at the time of g and handled during the laying operation in a manner that will avoid ; sections shall be cazefully socketed after the rubber gasket has been ible soap and seated in its groove in the spigot. The entering spigot nion socket by means of a ratchet-type chain pull hoist, or o[her to proper line and grade. Before the pipe sling is cast off, the rubber proper position by means of feeler gauges. After the pipe section is 3 grade, it shall be made firm in its position by backfilling as necessary nts inside of encasement pipe, and all bends and/or deflections above ointing of the pipe, and at a distance sufficiently behind the laying tion, a cloth, burlap or polyethylene wrapper shall be placed azound of one part Portland Cement to two and one-half parts of plaster of thick cream. During the filling, the mortaz shall be rodded with . The top of the exterior joint shall be filled with a stiff mortaz of iinQ the moRaz into the recess until all exposed metal is covered. The wrapper shall be emmed at the edges to allow threading with a Signode steel strap, or approved equal, to securely fasten the rapper around the circumference of the pipe. Each strap shall be cut to the proper length and secured with Signode seal, or approved equal. The wrapper shall be of the quality manufactured by the Mar-Mac Manu acturing Company or approved equal. The inside joint recess of pipe 24 inches in diameter and lazger shall be filled with mortar and finished off flush with the interior of he pipe barrel. On pipe smaller than 24 inches in diameter the inside of the joint shall be made by "butterin " the bell end of the pipe in place with enough mortaz to fill the inside joint recess before the spigot end of t e next length of pipe is placed in position. After the pipe is in place, a swab shall be drawn through the pi e to smooth off the inside of the joint. d. Well fitted stoppers o bulkheads shall be securely placed in all openings and in the end of the ]ine when construction is stopped te porarIly and at end of each day's work. It shall be the responsibility of the Contractor to deliver [o the City pipeline that is clean throughout its entire length. e. Concrete BlockinQ 2000 psi concrete shap be placed, as required, for blocking at each change in d'uection of the pipeline in a manner that will securely brace the pipe against undisturbed trench walls. Concrete blocking, made from Type I cement, shall have been in place four (4) days prior to testing the pipeline as herein specified. Item 2014-2