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Reg. 392 c, Reg. 392 d, Reg. e, Reg. f
(c) Riveting and Other Repairs
The Repairer shall satisfy
the Chief Inspector:-
| (i) |
that he possesses the
necessary equipment and tools and engages trained
and experienced workmen and staff for the work undertaken; |
| (ii) |
standard of work should
be of a high order and comply with all the requirements
and test that may be prescribed by the Chief Inspector,
and all material used shall be of boiler quality. |
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Reg. 392 d
| The repairs should be supervised,
so far as his other duties permit by the Inspector when
the fire boxes and smoke tubes of locomotive tube boilers
are withdrawn, the opportunity should be taken to inspect
the internal parts which are otherwise inaccessible to
close inspection. |
Reg. 392 e
| Repairs to boiler shells shall
be effected either by patching or by removing a strip
of worn or damaged plate and inserting the new strip with
covering straps over the longitudinal butt ends, the strength
of the riveted joints to be not less than that of the
longitudinal joints of the shell. |
Reg. 392 f
| Patches for fire exposed plates
shall be fitted metal to metal without joint of any description.
The affected part shall be cut out, leaving the corners
of the hole well-rounded. Patches shall be secured, wherever
possible, properly spaced rivets with a width of plate
at least equal to the diameter of rivet between the edge
of the rivet hole and the edge of the plate. Where riveting
is impracticable, the plate shall be secured by welt fitting
countersunk headed screw pins. |
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