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Minimum allowable tensile strength is 7000 PSI and cell class shall be 12454-B. <br />All physical and chemical tests shall be conducted at 73°F. <br />Pipe shall not deflect in excess of 5% of its original diameter under this project's design <br />conditions and shall have a pipe stiffness equal to 45.0 F/Y or better. <br />Any plastic pipe field inspected and found not to conform to these specificarions as to wall <br />thickness, coloration, texture, or diameter shall be rejected, and all pipe of the same run or lot <br />number shall be rejected and replaced with acceptable pipe at the CONTRACTOR'S expense. <br />Field tests will be made on random samples of pipe. <br />Minimum acceptable wa11 thicknesses for PVC gravity sewer are as follows: <br />SDR 35 <br />PIPE SIZE <br />WALL THICKNESS <br />4" <br />0.120 inch <br />6" <br />0.180 inch <br />8" <br />0.240 inch <br />10" <br />0.300 inch <br />12" <br />0.360 inch <br />SDR 26 <br />WALL THICKNESS <br />0.173 <br />0.255 <br />0.332 <br />0.413 <br />0.490 <br />100 <br />