When any major pressure retaining item is changed on an existing pressure vessel, the change must be considered an alteration as set forth in Chapter 15.
02-041 C.M.R. ch. 14, § 7
When any major pressure retaining item is changed on an existing pressure vessel, the change must be considered an alteration as set forth in Chapter 15.
02-041 C.M.R. ch. 14, § 7