Reg. 392 k, Reg. 392 l, Reg. 392 m
|(k) Welding shall not be accepted
for the repair of any part of a boiler for which welding
is forbidden for a new boiler under these Regulations.
Boiler shells shall not be repaired by welding beyond
the filling up of a small isolated corroded or pitted
part or the making up of wasted edges of openings.
Reg. 392 l
|Cracks or grooving in dished
or flat end plates of cylindrical shells or in the bends
of furnace flanges in a circumferential direction may
be weed out and welded.
Reg. 392 m
|Wasted parts of circular furnaces
and fire-boxes and fire exposed flat plates as in rectangular
fire-boxes and combustion chambers may be cut out and
be replaced by new pieces welded in or they may be built
up by welding. Longitudinal cracks in circular furnaces
and fire-boxes and cracks in rectangular fire-boxes and
combustion chambers may be welded.