Repairs and Alterations

All repairs and alterations to historical boilers shall conform to the current NBIC Part 3 and applicable Supplements. All alterations and welded repairs to historical boilers may only be made with prior approval from the BSB. Welders shall be qualified to ASME Section IX. As an alternative, and with prior approval from the BSB, welded repairs may be conducted by welders qualified to the BSB Alternative Welding Procedures.