2003-106 - Laserfiche WebLink

Home Browse Search

2 .2 . 8 . Pol eth leve E Pressure Pipe Pine Identification The following shall be continuously indent printed on the pipe or spaced at intervals not exceeding 5 -ft: 1 . Name and/or trademark of the pipe manufacturer. 2 . Nominal pipe size . 3 . Dimension ratio . t4 . The letters PE followed by the polyethylene grade in accordance with ASTM D1248 , followed by the hydrostatic design basis in 160 ' s of psi, e .g., PE 3408 . 5 . Manufacturing standard reference, e. g. , ASTM F714 or D-3035 , as required. 6 . A production code from which the date and place of manufacture can be determined. Number 10 multi-strand Conductor Copper Trace Wire shall be spiral wrapped or affixed to the top of all pipe and fittings. Installation Polyethylene (PE) Pipe shall be installed in accordance with the instruction of the manufacturer, as shown on the Drawings and as specified herein. All heat fusion joints shall be done by a factory qualified joining technician as designated by the pipe manufacturer. Care shall be taken in loading, transporting and unloading to prevent injury to the pipe. Pipe or fitting shall not be dropped. All pipe or fitting shall be examined before installation, and no piece shall be installed which is found to be defective. Any damage to the pipe shall be repaired as directed by the Engineer. If any defective pipe is discovered after it has been installed, it shall be removed and replaced with a sound pipe in a satisfactory manner by the contractor, at his own expense. Under no circumstances shall the pipe or accessories be dropped into the trench. • Care shall be taken during transportation of the pipe such that it will not be cut, kinked or otherwise damaged. Ropes, fabric or rubber protected slings and straps shall be used when handling pipes. Chains, cables or hooks inserted into the pipe ends shall not be used. Two slings spread apart shall be used for lifting each length of pipe. Pipes shall be stored on level ground, preferably turf or sand, free of sharp objects which could damage the pipe. Stacking of the polyethylene pipe shall be limited to a height that will not cause excessive deformation of the bottom layers of pipes under anticipated temperature conditions. Where necessary due to ground conditions, the pipe shall be stored on wooden sleepers, spaced suitably and of such width as not to allow deformation of the pipe at the point of contact with the sleeper or between supports. 25