Reg. 606, Reg. 607 (a), Reg. 607 (b), Reg.
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
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.
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.
|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
contained in clauses (a) and (b) above, a welder shall
appear for a requalification test consequent upon any
of the following conditions, namely:-
||An omission of backing strip in arc
welding single welded butt joint or the addition
of the backing strip in gas welding.
||A change in class of electrode (Carbon
or Alloy steel).
|| A change in the base metal to be
||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.
||If there is some specific reason to
question the welders ability.
||A change from one welding process
to any other process.
||A change from direct current to alternating
current, and vice versa.