South Carolina DOT #1
Crumpler Plastic Pipe
P.O. Box 68
Roseboro, North Carolina 28382
July 24, 1990
CORRUGATED POLYETHYLENE PIPE
General: Corrugated polyethylene pipe (12″ diameter and greater) shall meet the requirements of AASHTO M-294 (latest edition). This specification covers the requirements and methods of tests for corrugated polyethylene (PE) pipe, couplings, and fittings for use in surface and subsurface drainage applications. Type C indicates a corrugated surface both inside and outside; while Type S indicates an outer corrugated pipe wall and a smooth inner liner.
Trench and Bed for Pipe: In accordance with the Standard Specifications for Highway Construction – Section 714.09.
Lavinc Pipe: In accordance with the Standard Specifications – Section 714.10.
Joints: Corrugated polyethylene pipe joints shall be made with split couplers corrugated to match the pipe and shall engage a minimum of two corrugations on each side of the joint. Couplers shall be manufactured with materials specified in AASHTO M-294.
Backfilling: In accordance with the Standard Specifications – Section 714.12. IN addition, compaction of backfill for the corrugated polyethylene pipe shall be a minimum of eighty-five percent (85%) or in accordance with roadway requirements, if higher.
Method of Measurement: In accordance with the Standard Specifications – Section 714.16.
Basis of Payment: In accordance with the Standard Specifications – Section 714.17. The split couplers for joining sections of corrugated polyethylene pipe will be included in the contract unit prices per linear foot for the pipe.