SCDOT Letterhead

Houston Crumpler
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.


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