Section 041-14-2 - Existing Pressure VesselsA. If an existing pressure vessel has not yet been registered, an Inspector must perform an initial inspection to determine the vessel's external condition and the adequacy of the safety relieving devices. The Inspector must submit a report of inspection to the Chief Inspector on a form provided by the Board.B. Any pressure vessel installed and operated after July 1, 1998, must be constructed to ASME code and must be stamped and registered with the National Board. The owner of any such pressure vessel not constructed to ASME Code or stamped or registered with the National Board may seek to register the pressure vessel with the Board only by petitioning the Board for a variance.C. Any pressure vessel installed between June 30, 1974, and July 1, 1998, must be constructed to ASME Code. The owner of any such pressure vessel not constructed to ASME Code may seek to register the pressure vessel with the Board only by petitioning the Board for a variance.D. Any pressure vessel installed before June 30, 1974, must be adequately designed for its intended use. An owner seeking to register such a pressure vessel must provide the Chief Inspector with a copy of the manufacturer's data report relating to the vessel, a copy of the construction details with material specifications, and any other information or materials requested by the Chief Inspector.02-041 C.M.R. ch. 14, § 2