- (a) All repairs and alterations shall be made by a person or company in possession of a repair license from the Boiler Inspection Division.
- (b) All cases not specifically covered by this subpart shall be treated as new installations, or may be referred to the Chief Inspector of the Boiler Inspection Division for instructions concerning the requirements.
(c)
- (1) The maximum allowable working pressure of an ASME vessel shall be determined by the nameplate information and/or the data report.
- (2) Rerating of a pressure-retaining item by increasing the maximum allowable working pressure (internal or external) or temperature, or decreasing the minimum temperature such that mechanical tests are required, shall be done only with prior approval of the Chief Inspector and to the original issue/addenda of the code of construction.
- (d) For information concerning noncode pressure vessels, refer to the ASME Code Section VIII Division I, as adopted.