Agmt25 Casey Construction, Inc. - Laserfiche WebLink

Browse Search

SANITARY SEWERS 02 7300-7 DESIGN STRESS: 400 psi @ 140 ºF 2. Pipe and Fittings Markings: a. Pipe shall be marked at 3-foot intervals or less with the manufacturer’s name (or trade mark), the designation ASTM D- 3350 and ASTM - 714, including the year of issue, the letters “PE” followed by the cell classification number of the raw material compound used and the polyethylene grade per ASTM D1248, and the Hydrostatic Design Basis in hundreds of psi; the nominal pipe size in inches, the dimensional ratio, and the manufacturer’s code identifying the resin manufacturer, lot number, and date of manufacture. b. Fittings shall be marked with the manufacturer’s name (or trade mark), the designation ASTM D - 3350 and ASTM - 714, and the manufacturer’s code identifying the resin manufacturer, lot number, lot number, and date of manufacture. 3. Pipe and Fittings shall be homogeneous throughout and free of: a. Serious abrasion, cutting, or gouging of the outside surface extending to more than 10 percent of the wall thickness in depth. b. Cracks c. Kinking (generally due to excessive or abrupt bending) d. Flattening e. Holes f. Blisters g. Other injurious defects D. They shall be uniform in color, opacity, density, and other physical properties. Any pipe and fittings not meeting these criteria shall be rejected. E. The average outside diameter and wall thickness of pipe and fittings shall conform to Table 1 when measured in accordance with ASTM D - 2122. Other sizes not listed shall be in accordance with ASTM D - 2122.