II. _Rules for Erection_
1. Acetylene apparatus must not be erected in or under rooms occupied or
frequented (passages, covered courts, &c.) by human beings. Generators
and holders must only be erected in apartments covered with light roofs,
and separated from occupied rooms, barns, and stables by a fire-proof
wall, or by a distance of 15 feet. Any wall is to be considered fire-
proof which is built of solid brick, without openings, and one side of
which is "quite free." Apparatus may be erected in barns and stables,
provided the space required is partitioned off from the remainder by a
fire-proof wall.
2. The doors of apparatus sheds must open outwards, and must not
communicate directly with rooms where fires and artificial lights are
used.
3. Apparatus for the illumination of showmen's booths, "merry-go-rounds,"
shooting galleries, and the like must be erected outside the tents, and
be inaccessible to the public.
4. Permanent apparatus erected in the open air must be at least 15 feet
from an occupied building.
5. Apparatus sheds must be fitted at their highest points with outlet
ventilators of sufficient size; the ventilators leading straight through
the roof into the open air.
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