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Reg. 612, Reg. 613, Reg. 614

QUALIFICATION TESTS FOR WELDERS ENGAGED IN WELDING OF BOILERS AND STEAM-PIPES UNDER CONSTRUCTION, ERECTION AND FABRICATION AT SITE IN INDIA AND IN REPAIRING BOILERS AND STEAM-PIPES BY WELDING

 

Reg 612

Examination of Test Specimens for Requalification Tests

 
(a) Groove welded plate specimens

The welded joint shall first be examined under X-ray and thereafter cut to appropriate dimensions for conducting the following tests:

Provided that the radiographic examination of the weld, may be waived when the welder is to be engaged on production work where radiographic examination is not required under these regulations:-

One forward bend test, one reverse bend test, and two macro examinations,

The test piece shall be marked and cut out in the order shown in Figure XIII/5 and tested in accordance with the provisions of Regulation 611.
(b) Fillet plate welded specimen

They shall be conducted as detailed in Regulation 611 (b).
(c) Pipe and Tube welding

Specimens shall be prepared and tested as prescribed in Regulation 611 (c) or 611 (d), as the case may be.
(d) Additional test before rejection

Should any of the test pieces tested in accordance with the above sub-regulations fail to meet the specified requirements, one further weld may be cut from the specimen and subjected to the same test.

If any test piece does not reach the required standard, two further welds shall be made and the procedure in the above regulations repeated. If any of these welds does not reach the required standard the welder shall be deemed not to have qualified for a certificate.


Reg. 613

Awarding of Marks


Marks shall be awarded in accordance with the Form XII. Candidates obtaining marks not less than 60 per cent in the oral or written examination and not less than 75 per cent in the practical tests, shall be deemed to have qualified for a certificate provided that the bend tests are found to be satisfactory. Should a candidate fail in the oral or written examination but pass in the practical test, he may be re-examined in oral or written examination within a period of twelve weeks from the date of examination of practical test, and if he obtains not less than 60 per cent marks in the re-examination, he shall be deemed to have qualified for a certificate.

The Form shall be attested by the Competent Authority and filed in this office for future reference.


Reg. 614

Award of Certificate


On successful completion of tests prescribed in Regulation 609(A) any of those prescribed in Regulation 609(B) the welder may be awarded a Certificate in Form XIII to the extend of the tests passed by him.

Welder who pass the tests for groove welds in plates shall be considered as having qualified for making filled welds in plates. Welders who pass the tests for fillet welds, shall be qualified to make fillet welds only. Any certificate issued for any purpose under the rules made by the State Government in this behalf shall be deemed to have been issued for that purpose under this Chapter and any action taken under the said rules, shall be deemed to have been taken under this Chapter.
 
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