Section R. 460.20313 - Minimum test duration; plastic pipelinesRule 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.Mich. Admin. Code R. 460.20313
1998-2000 AACS; 2019 MR 1, Eff. 1/3/2019