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Title: Gas Research Institute Gri() Pioneers Use Of Plastic Piping Materials At Higher Operating Pressures With The Use Of Polyamide 11
Author: Hitesh Patadia, Dennis Jarnecke, Michael Mamoun, Richard Wolf, Elf Atochem , Duc Le
Source: American Gas Association 2000
Year Published: 2000
Abstract: Given the increased interests of LDCs to operate plastic piping systems at higher operating pressures, a comprehensive research program sponsored by the Gas Research Institute (GRI), Elf Atochem (ATO), and other gas utilities was undertaken to evaluate, verify, and validate the use of Polyamide 11 at higher operating pressure (100 - 300 psig). Based on the positive results of both laboratory and field application studies, a waiver was filed and accepted by the Illinois Commerce Commission and the Department of Transportation. A first ever successful installation of plastic piping materials operating at 150 psig in the public right of way was performed by Nicor Gas. This paper summarizes the regulatory process and construction activities related to the installation. In addition, this paper presents material property data for the Polyamide11 after 30 months of exposure to in-service conditions.

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