7.3.4 Pneumatic Tests in Lieu of Hydrostatic Tests (1 July 2012)
In general, pneumatic tests in lieu of hydrostatic test are not permitted. Where it is impractical to carry out the required hydrostatic tests, pneumatic tests may be considered. In such cases, the procedure for carrying out the pneumatic test, having regard to safety of personnel, is to be submitted to the applicable ABS Divisional Survey Department for special consideration.