API RP 1110

This recommended practice covers the pressure testing of new and existing liquid petroleum pipelines. It recommends minimum procedures to be followed, suggests equipment to be used, and points out factors to be considered during the pressure testing of liquid petroleum pipelines. This recommended practice does not address low pressure pneumatic testing.This recommended practice suggests procedures that are based on sound engineering judgment, but certain governmental requirements may differ from the procedures set forth in this recommended practice. Such requirements should be ful?lled because this recommended practice is not intended to supersede or override them.