Technical Reports

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UNI-TR-1

This Technical Report, "Deflection: The Pipe/Soil Mechanism," details design procedures for predicting long-term deflection of buried PVC pipe.

UNI-TR-3

This Technical Report, "Maintenance of PVC Sewer Pipe," provides details on PVC's ease of maintenance. It summarizes information gathered from system managers and maintenance personnel. Supporting data in the report was obtained from field evaluations and laboratory research.

UNI-TR-5

A Technical Report entitled, "The Effects of Ultraviolet Radiation on PVC Pipe," summarizing a two- year study on the matter. The report mentions the effects of sunlight on tensile strength, modulus, and impact strength.

UNI-TR-6

Titled "PVC Force Main Design," this Technical report details the Association's recommended design procedures for selecting the appropriate class of PVC pressure pipe for force main applications