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Reg. 606, Reg. 607 (a), Reg. 607 (b), Reg. 607 (c)


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. 606.

 Production of certificate

 
The holder of such certificate shall be bound to produce it when called upon to do so by the Inspecting Authority, Inspecting Officer or Inspector, as the case may be.


Reg. 607(a)

Validity of certificate


A certificate issued to a welder under these regulations shall remain valid for a maximum period of twenty-four months from the date of issue, provided that the holder thereof has, subsequent to the test, been employed with reasonable continuity on the class and type of work for which he is qualified.

Reg. 607(b)

Re-validation of certificate


The certificate may be extended from time to time for a period not exceeding twenty-four months at a time on completion of a re-qualification test (see regulation 610) to the satisfaction of the Competent Authority. In case the welder is employed in another State at the time of re-validation of a certificate, he may appear for a re-qualification test before the Competent Authority of the State for extension of his certificate.

Note:- However a welder qualified for a type and process of higher grade of steel can be allowed to weld the lower grade of steel.


Reg. 607(c)

Validity of certificate

Notwithstanding anything contained in clauses (a) and (b) above, a welder shall appear for a requalification test consequent upon any of the following conditions, namely:-

(i) An omission of backing strip in arc welding single welded butt joint or the addition of the backing strip in gas welding.
(ii) A change in class of electrode (Carbon or Alloy steel).
(iii) A change in the base metal to be welded.
(iv) If during the preceding three months or more the welder has not been engaged in welding of the type or class for which he is qualified.
(v) If there is some specific reason to question the welder’s ability.
(vi) A change from one welding process to any other process.
(vii) A change from direct current to alternating current, and vice versa.
 
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