Pipeline and Hazardous Materials Safety Administration December 24, 2008 – Federal Register Recent Federal Regulation Documents

Pipeline Safety: Polyamide-11 (PA-11) Plastic Pipe Design Pressures
Document Number: E8-30637
Type: Rule
Date: 2008-12-24
Agency: Pipeline and Hazardous Materials Safety Administration, Department of Transportation
This final rule amends the design factor and design pressure limits for natural gas pipelines made from new Polyamide-11 (PA-11) thermoplastic pipe. Together, these two changes in the regulations allow pipeline operators to operate certain pipelines constructed of new PA-11 pipe at higher operating pressures than is currently allowed for other plastic pipe materials.