Factories. [Ch. 30. No. 2.

(13) For the purposes of this section and of any
regulations or orders made in pursuance thereof the
expression ‘‘ competent person ’’ means a qualified engineer
recognised as such by the Institution of Mechanical
Engineers, with experience in the construction, main-
tenance or repair of electrically or mechanically driven
hoists and lifts.

23. (1) Every steam boiler, whether separate or one of a
range-

(a) shall have attached to it—

(i) a suitable safety valve, separate from any
stop valve, which shall be so adjusted as to
prevent the boiler being worked at a greater
pressure than the maximum permissible working
pressure and shall be fixed directly to, or as close
as practicable to, the boiler;

(ii) a suitable stop valve connecting the boiler
to the steam pipe;

(iii) a correct steam pressure gauge connected
to the steam space and easily visible by the boiler
attendant, which shall indicate the pressure of
steam in the boiler in pounds per square inch,
and have marked upon it in a distinctive colour
the maximum permissible working pressure ;

(iv) two water gauges, of which at least one
shall be of transparent material or other type
approved by the senior inspector, to show the
water level in the boiler, and, if a gauge is of the
glass tubular type, the gauge shall be provided
with an efficient guard but not so as to obstruct
the reading of the gauge; or

(v) one water gauge of transparent material or
other type as aforesaid provided, if of the tubular
type, with a guard as aforesaid, and not less than
two water level test cocks to indicate the correct
level of water in the boiler; and

(5) shall be provided with means for attaching a
test pressure gauge; and

(c) unless externally fired, shall be provided with
T.—IV. 9

129

———

Steam
boilers,