Minimum test duration; plastic pipelines

Rule 313. In addition to the requirements contained in 49 C.F.R.§192.513, which is adopted by reference in R 460.20606, an operator shall test plastic pipelines according to all the following:#

(a)Except for plastic service lines, the test must be maintained at or above the pressure requirement for not less than one hour. However, an operator may test a relatively short segment for not less than 30 minutes.#

(b)All plastic service lines must be pressure tested for not less than 10 minutes.#

History: 1998-2000 AACS; 2019 AACS.#