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ASTM F714 or ASTM D-3035 whichever is <br /> applicable . <br /> C, Pipe wall thickness shall be measured at 12 equally <br /> spaced locations around the circumference at both <br /> ends of the pipe to ensure conformance with ASTM <br /> F714 or ASTM D-3035 , whichever is applicable . <br /> d . Pipe length shall be measured . <br /> e . Pipe marking shall be examined and checked for <br /> accuracy . <br /> f. Pipe ends shall be checked to ensure they are cut <br /> square and clean . <br /> g . Subject inside surface to a " reverse bend test" to <br /> ensure the pipe is free of oxidation (brittleness ) . <br /> E . Stress Regression Testing <br /> 1 . The polyethylene pipe manufacturer shall provide <br /> certification that stress regression testing has been <br /> performed on the specific polyethylene resin being utilized <br /> in the manufacturing of this product. This stress <br /> regression testing shall have been done in accordance <br /> with ASTM D2837 and . the manufacturer shall provide a <br /> product supplying a minimum Hydrostatic Design Basis <br /> ( HDB ) of 1 , 600 psi as determined in accordance with <br /> ASTM D2837 . <br /> F . Contractor is responsible for compatibility between pipe materials , <br /> fittings and appurtenances . <br /> G . The pipe manufacturer shall provide a warranty against <br /> manufacturing defects of material and workmanship for a period of <br /> ten ( 10) years after the final acceptance of the project by the <br /> IRCDUS . The manufacturer shall replace at no expense to the <br /> IRCDUS any defective pipe material including labor within the <br /> warranty period . <br /> 3 . 08 MATERIALS FOR PIPE SIZES 4" AND LARGER <br /> A. Materials used for the manufacture of polyethylene pipe and <br /> fittings shall be made from a PE 3408 polyethylene resin <br /> compound meeting cell classification 334434D per ASTM D3350 ; <br /> and meeting Type III , Class C , Category 5 , Grade P34 per ASTM <br /> D1248 <br /> B . Polyethylene ( PE ) pipe shall comply with AWWA Standard <br /> Specifications C906-99 . <br /> C . If rework compounds are required , only those generated in the <br /> Manufacturer's own plant from resin compounds of the same class <br /> and type from the same raw material supplier shall be used . <br /> 3 - 3 <br />