In any building hereafter erected or altered so as to change
its occupancy, except one-story buildings outside of the fire limits
and buildings occupied exclusively for residence purposes by one or
two families, the wood beams over the cellar, or over the lowest story
if such story is partly below the curb or the surrounding ground level,
when the curb level has not been established, shall be covered with
metal lath and plaster, plaster board or other approved incombustible
material.
In all buildings hereafter erected, the cellar floor or any
floor resting directly on the ground shall consist of concrete no
less than four inches thick.
In all non-fireproof buildings, except buildings occupied exclusively
for residence purposes by one or two families, permanent partitions
in the cellar, or in any story more than 1/2 below the curb, shall
be constructed of incombustible materials, unless such partitions
enclose only coal or wood bins and do not extend to the ceiling.
In all buildings hereafter erected, the exterior walls below
the ground level and floors below the curb level resting directly
on the ground shall, when required, be waterproof in accordance with
the rules adopted by the Superintendent of Buildings.
Floor lights shall be constructed of metal frames and bars or
plates, reinforced concrete or other approved incombustible material.
If any glass in same measures more than 16 square inches, it shall
be provided with a mesh of wire either in the glass or under the same.
Floor lights shall be of the same strength as the floors in which
they are placed. Glass shall not be less than 3/4 of an inch in thickness.
No beams shall be cut or pierced in any manner that would cause
the beam to be of insufficient strength for its load.
Bay windows and show windows that extend beyond the exterior
walls, hereafter constructed or placed on any fireproof or non-fireproof
building within the fire limits, shall be constructed of incombustible
materials and in such manner as will meet with the approval of the
Superintendent of Buildings.
