CPUC General Order 112-F § 142 - PLASTIC PIPE

142.1Plastic Pipe Storage - At the time of installation, plastic pipe to be used for gas transportation, shall not have been subjected to unprotected outdoor exposure longer than the time recommended by the manufacturer, the time period specified in the Operator’s operations and maintenance plan, or 4 years for medium density and 10 years for high density polyethylene pipe, whichever is least. The Operator must maintain documentation from the manufacturer to support all frequencies applied by the Operator for unprotected outdoor exposure.#