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Report of the Medical Officer of Health.
157
REQUIREMENTS WITH RESPECT TO UNDERGROUND
BAKEHOUSES.
(a) That the bakehouse shall be of a minimum capacity
of 1,500 cubic feet, and shall be in every part thereof at least 7 feet
6 inches high, measured from the floor to the ceiling.
(b) The surface of the walls shall be smooth and impervious
throughout. Every wall of the bakehouse shall be constructed
with an approved damp course, and if in contact with the soil shall
be effectually secured against dampness from that soil.
(c) The ceilings shall be ceiled with smooth and impervious
material.
(d) The floors shall be composed of Portland cement concrete
mixed in the proportion of one part Portland cement to six
parts of clean Thames ballast at least six inches thick over the
entire surface. The surface shall be finished smooth with a
¾-inch layer of Portland cement and granite chippings to pass
¼-inch gauge, mixed in equal proportions, or of other impervious
material, to the satisfaction of the Authority.
(e) Any drain or sewer under the bakehouse shall be constructed
of gas and water tight pipes. No gully shall be within
the bakehouse. No certificate will be granted to any bakehouse
which is subject to flooding from drains or sewers.
(f) Provision shall be made for suitable means of access
(other than by ladder) to the underground bakehouse, in the form
of convenient stairs with an external entrance, if practicable.
Where it is not possible to have a suitable entrance, except from
the shop, such entrance may be allowed with a properly lighted
covered-in staircase, so as to exclude dust and dirt.
(g) All areas, whether for lighting or draining the bakehouse,
shall be constructed with white glazed brick or tiled faces.
Light:—
(h) The underground bakehouse shall be supplied with one
or more windows, so as to be efficiently lighted in every part by
daylight by means which shall exclude the entrance of street dust.
Such windows shall have a total superficies clear of the sash
frames equal to at least one-tenth of the floor space. Where it is