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SUGGESTED REQUIREMENTS FOR UNDERGROUND
BAKEHOUSES.
A.— Construction.
1. No underground bakehouse shall be less than 8 feet in
height throughout, measured from the floor vertically to the
ceiling; and in case the floor area exceeds 300 square feet,
such height shall be at least 8 ft. 6 ins.
2. No underground bakehouse shall have a cubic capacity,
clear of the oven, of less than 1,500 feet.
3. The floor shall be constructed of hard, smooth, durable
and impervious material.
4. The walls shall be constructed of a material which is
hard, smooth, durable, and impermeable to damp.
[Note. — Where adjacent ground abuts on a wall, or
walls, such walls should be lined with the best glazed
bricks, uniformly joined with Portland cement, to form
internal walls, separated from the existing walls by a
cavity, and bonded to them, the intervening space being
ventilated to the outer air.]
5. The ceiling shall be even, impermeable to damp and
dust, and durable.
6. Every underground bakehouse shall be approached by
a suitable staircase, adequately lighted and ventilated.
No outside staircase shall terminate within an underground
bakehouse.
Any opening into the shop above must be so covered as to
prevent the entrance of dust.
B.— Light.
7. The underground bakehouse shall be adequately lighted
with daylight throughout, to the satisfaction of the Sanitary
Authority, and the lighting maintained shall be such that an
Official Copy of the Abstract of the Factory Act may ordinarily
be read in all parts of such bakehouse, between the hours of
11 a.m. and 3 p.m.