AWWA 7B-T: Tentative Emergency Specifications for Reinforced Concrete Pressure Pipe (PDF)
SKU: STC_0073929-PDF
The following specifications cover three general types of concrete pressure pipe, which are described and specified separately as to type, designation, size range, minimum design head, maximum operating head and materials and methods used in their construction.
Description
These specifications cover pipe for use under field conditions wherein the cover over the pipe is 5 ft. or less and the pipe is to be laid in a flat-bottom trench with backfilling tamped as described in ASA A21.1-1939, "Manual for the Computation of Strength and Thickness of Cast-Iron Pipe." If conditions of laying are different from those stated above, investigation of need for additional reinforcing or a concrete cradle should be made. The three types of pipe are not alternates. The bidder should choose the type of pipe from those covered in these specifications, which is applicable to the individual installation.