ARCHIVED REPORTS_2014_5 - Laserfiche WebLink

Home Browse Search

on the construction drawings. PART 3 EXECUTION • 3.1 GENERAL A. All polyethylene pipe shall be cut, fabricated, and installed in strict conformance with pipe manufacturer's recommendations. Joining, laying, and pulling of polyethylene pipe shall be accomplished by personnel experienced in working with polyethylene pipe. B. Pipe shall be joined and placed in such a manner as to prevent damage to the HDPE Geomembrane Lining and other underlying geosynthetics. 3.2 TRANSPORTATION A. Care shall be taken during transportation of the pipe such that it is not cut, kinked, or otherwise damaged. 3.3 STORAGE A. Pipes shall be stored on level ground, preferably turf or sand, free of sharp objects that 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 widths as not to allow deformation of the pipe at the point of contact with the sleeper or between supports. 3.4 HANDLING PIPE A. The handling of the joined pipeline shall be in such a manner that the pipe is not damaged by dragging it over sharp and cutting objects. 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. Pipe or fittings shall not be dropped onto rocky or unprepared ground. Slings for handling the pipeline shall not be positioned at butt-fused joints. Sections of the pipes with cuts and gouges exceeding 10 percent of the pipe wall thickness or kinked sections shall be removed and the ends of the pipeline rejoined. Forward Landfill WMU FU-14 02535 3 LEACHATE PIPES