If you have the pipeline out of service for: | Then you must: |
(1) 1 year or less, | Isolate the pipeline with a blind flange or a closed block valve at each end of the pipeline. |
(2) More than 1 year but less than 5 years, | Flush and fill the pipeline with inhibited seawater. |
(3) 5 or more years, | Decommission the pipeline according to §§ 250.1750-250 .1754. |
30 C.F.R. §250.1006