Delaware DOT
December 2, 1993
Houston Crumpler
Crumpler Plastic Pipe, Inc.
P.O. Box 68
Roseboro, NC 28382
Dear Mr. Crumpler:
Your polyethylene pipe is approved for use on applicable DelDOT projects based on your independent testing laboratory reports and certifications showing conformance to AASHTO M 252 and AASHTO M 294. Acceptable performance on the project will also be monitored. Inspection is performed upon arrival in the field.
Very truly yours,
Walter J. Hoey, Jr.
Materials Administrator
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