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Reg. 535, Reg. 536, Reg. 536 A, Reg. 537
SHELL TYPE BOILERS OF WELDED CONSTRUCTION

Application

These Regulations shall apply to all boilers of fusion welded construction other than Water Tube boilers and Electrode boilers referred to in Chapters V and X respectively.

Where the design of the boiler is of composite construction, viz., part fusion welded and part riveted, it shall comply with the relevant regulations governing that particular type of construction.



Reg. 536

General Requirements

Where applicable the general requirements of Chapter I relating to certificates from Makers, Inspecting Authorities, and the like and of Chapter III concerning construction, shall be followed.




Reg. 536 A

Equipment of Workshop

a)

The welding plant and equipment are to be of good quality and maintained in an efficient working condition. The welding apparatus is to be installed under cover and arranged so that welding work may be carried out in positions free from draughts and adverse weather conditions. The procedure is to be such that there is regular and systematic supervision of the welding works, and the welding operators are to be subjected by the works officials to periodic tests for quality of workmanship. Records of these tests are to be kept and are to be available to the Inspecting Officers for scrutiny.
b) The works should be equipped with welding plant equipment and quality control personnel. However, the equipment for destructive, non-destructive testing and heat treatment is not necessary. The manufacturer can tie-up for these facilities outside and a letter from the party with whom he makes a tie-up should be made available to the Chief Inspector of Boilers of the State. Inspecting authority or his representative should be allowed to inspect the material in the laboratory of the party during the test.



Reg. 537

Materials of Construction

Plates, sections and bars used in the construction of these boilers shall comply in all respects with the requirements of Chapters II and V.

Where, however, the tensile strength exceeds 32 tons per square inch, the full details of the welding technique including pre-heating and post-heating, and the plate preparation to be used, shall be submitted to the Inspecting Authority for approval before manufacture commences.

 
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Message from Chairman of Central Boilers Board About Central Boiler Board History of Indian Boiler Regulations Foreword Contents Chapter Wise Contents Regulation Wise List of Amendments
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