Minimum construction standards for boilers and pressure vessels. A. Boilers and pressure vessels to be installed for operation in this Commonwealth shall be designed, constructed, inspected, stamped and installed in accordance with the applicable ASME Boiler and Pressure Vessel Code including all addenda and applicable code case(s), other international construction standards which are acceptable to the chief inspector, and this chapter. B. Boilers and pressure vessels shall bear the National Board stamping, except cast iron boilers and UM vessels. A copy of the Manufacturers' Data Report, signed by the manufacturer's representative and the National Board commissioned inspector, shall be filed by the owner or user with the chief inspector prior to its operation in the Commonwealth. C. Pressure piping - (including welded piping) - Piping external to power boilers extending For more information, please contact the Virginia Boiler Chief Inspector at (804) 786-3262.
