Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 3a - BOILER AND UNFIRED PRESSURE VESSEL REGULATIONS
Subchapter B - REQUIREMENTS FOR BOILERS AND UNFIRED PRESSURE VESSELS
REPAIRS AND ALTERATIONS
Section 3a.81 - Major repairs and alterations

(a) An owner or user of a boiler or unfired pressure vessel shall consult with an inspector on a repair that affects the working pressure or safety of a boiler or unfired pressure vessel.

(b) A repair to a boiler or unfired pressure vessel must comply with the applicable provisions of the ASME Code or ANSI/NB 23. A manufacturer or repair company may not perform welded repairs and tube replacements without holding an "R" Stamp.

(c) An owner or user of a boiler or unfired pressure vessel shall consult with the inspector responsible for completing the report of welded repair before commencement of work or repairs that alter the original design of a boiler or unfired pressure vessel. A manufacturer or repair company holding an ANSI/NB 23 "R" stamp may perform alterations to other vessels.

(d) Welds shall be documented on a Department-issued "Record of Welded Repair Form" or a R-1 form. Hydrostatic testing of welded repairs may be conducted at the inspector's discretion in accordance with ANSI/NB23.

(e) An owner or user of a boiler or unfired pressure vessel that requires an inspection under this chapter shall immediately notify the Department when a defect affecting the safety of the boiler or unfired pressure vessel is discovered.