The Lubbock avalanche. (Lubbock, Tex.) 1909-1922, 1922-05-30

an open elevator or holatway In an
existing building. the floor openings
through which u passes shall be
equipped with automatically closing
trap doors not less than i-2 inches
thick, made Of two thlckncsscs Of
matched boards. covered on the un-
deraide with tin. The trap doors
when closed shall extend beyond the
opening on all sides. Such trap doors
shall be protected by a substantial
guard or gate, which shall be kept
closed at all times except when In
actual use.
Section II. Skyllghts over Stair.
way and Elevator Shafts; Where a
stairway, elevator, or dumb waiter
shaft extends through the roof and
is covered by a skyllght, the sky
light shall be constructed with in
combustible frame and sash. glazed
with ordinary thin glass, and shall
be protected by galvanized steel
wire screen with mesh not exceed
ing one inch. and the wire not smaller
than No. ~ gauge. The screen
shall have metal supports and shall
be placed not less than inches
above the skylight. Instead Of a sky
light, window may be placed In the
side Of the shaft above the roof
which Is furtherest removed from a
property line. The window shall
/ have incombustible frame and sash,
and be glazed with thin glass.
Section IS. Floor lights. Except
/ In dwellings, all openings hereafter
made In floors for the transmission
iof light 20 floors below shall be COW
cred with glass set In metal frames
and bars The glass shall be not less
than 81 inch In thickness, and II
Amy glass measures more than 10
square inches there shall be q rigid
wire mesh either IN the glass or I'M
der 10.
Section 10. Light, Vent, and
Dumb Waiter Shafts In every
/ building hereafter erected or alter
/ ed. except frame buildings all walls
I or partitions forming interior light
/ or vent shafts shall be built IN ac-
cordance with the requirements for
stair and elevator shafts In new
: buildings MS specified In Section -.
/ The walls Of dumb waiter shafts, ex-
cept those in dwellings which extend
only one story above the basement or
cellar shall be Of fire-resistive con-
struction. and shall not be less than
I3 inches thick IL constructed Of
/ brick, hollow or solid partition
/ blocks, or Of steel studding and met
al lath with 81 inch Of Portland
cement plaster on each side; or 2
inch solid metal Hath and Portland
cement plaster wall may be permit
ted. II securely anchored at each
/ floor, the material and method Of
construction 70 be as specified for
stair and elevator shafts In existing
buildings in Section 10.
In frame buildings outside the
/ fire limits the enclosure partition Of
all such shafts may be constructed
as provided In Section rs, for stair
and elevator shafts In existing build
ings
Where n dumb waiter shaft does
not extend through the roof the top
Of the shaft shall be Of firc-resistiYe
construction OF the same thickness
M the walls Of the shaft.
Al openings in dumb waiter shafts
shall be protected By fire doors
mounted IN incombustible frames Sc
curcly anchored 90 the walls.
The walls Of all light and vent
shafts hereafter erected shall extend
not less than 3 feet above the roof
level, except that when a shaft Is COW
cred by an incombustible yentiliating
skylight, the walls need not extend
more than 2 feet above the roof.
Masonry walls shall be properly
COPIED.
Section n. Roof Openings All
openings In roofs for the admission
Of light or air, other than those pro-
vided for In Sections 4 and rs. shall
have uncomfortable frames and sash
glnzed with wire glass; or ordinary
glass may be used, II protected above
and below by galvanized steel wire
screen with mesh not exceeding one
inch, and the wire not smaller than
No. / 2 gauge. The top screen shall
be installed ~ specified IN Section
IL
Section rs. Exits Required The
term floor area" ~ used IN this sec
ton shall mean the entire floor space
between exterior walls and fire walls.
In every building hereafter erected,
except In private dwellings, each
floor area above the first shall be
provided with az least two means Of
cgress remote from each other.
All exit doors In schools, hospitals,
theaters and other places Of public
assemblage shall open outwards.
The means Of egress 10 all build
ings three or more stories In height
and 80 occupied ms 10 bring them
within the purview Of the State Fire
Escape Law, shall conform TO said
State law and the specifications pro-
mulgated Hereunder, and the Build
ing Inspector shall not grant a per-
init, M provided In Section 3, Of this
ordinance, for the erection Of any
building unless the plans and specifi-
cations for egress In such building
shall conform 70 the requirements
of the State Fire Escape Law.
Section ~. Motion Picture Thea
tiers; The Building Inspector shall
not grant a permit for the erection
or alteration Of any building TO be
used as a motion picture theater, or