16VAC25-50-420. Lap-seam crack.
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.
Statutory Authority
§§ 40.1-22 and 40.1-51.5 et seq. of the Code of Virginia.
Historical Notes
Derived from VR425-01-75 § 4.4, eff. July 1, 1974; amended, eff. November 1, 1978; July 1, 1991; September 1, 1993.
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