Section 15 in Orissa Economiser Inspection Administrative Rules, 1952
15. Repairs to economiser.
(a)No pressure parts in a cast iron economiser shall be permitted to be repaired by welding.(b)Castings shall not be repaired or welded without the specific sanction of the Inspecting Officer. If, required, the fastings shall be suitably reheat-treated to remove internal stresses. Should a defect impair the strength of the casting, repair by welding or otherwise shall not be permitted.
