The shell of a pressure vessel, in which a lapseam crack is discovered along a longitudinal riveted joint, shall be shut down immediately. If the equipment is not more than 15 years of age, a complete new course of the original thickness may be installed at the discretion of the inspector and after approval by the chief inspector. Patching is prohibited.
16 Va. Admin. Code § 25-50-420
Statutory Authority
§§ 40.1-22 and 40.1-51.5 et seq. of the Code of Virginia.