Americus times-recorder. [volume] (Americus, Ga.) 1891-current, 1917-06-13

Of the class described in this section,
shall be separately enclosed by incom..
bLstible partitions as above specified,
or the shafts may be enclosed by APP
proved hollow or solid partition blocks
not less than 8 inches thick, set in
Portland cement mortar; or by 4-inch
stud partitions, covered on each side
with not less than ga inch of Portland
cement plaster on metal lath; or by 2
inch solid metal lath and Portland ce-
ment plaster partition. The metal
framework of such partitions shall be
securely fastened to both floor and
ceiling. All lath used for such parti-
tons shall be galvanized steel, weigh
ing not less than "a ounces per square
yard. Wire lath shall not be less than
No. 20 gauge and sheet metal lath not
less than No. 20 gauge. All
such partitions erected in ex-
listing buildings shall be fire
stopped with incombustible mate
rial the full depth of the floor beams
at each floor level.
All door openings in stair and eleva-
tor enclosures shall be protected by
fire doors mounted with wrought iron
or steel hardware, and shall be secure
ly attached to the wall or partition. or
to substantial ineombustible frames an
chored thereto. If glass panels be
used in such doors, they shall be of
wired glass not to exceed 720 square
inches in area. Interior shaft windows
shall not be permitted, unless same
are constructed of wired glass in metal
frames.
Doors opening into stairway shafts
shall swing in the directions of exit
travel, shall be self-closing, and shall
be at least SO inches wide.
The enclosure walls for all elevator
shafts shall extend at least feet above
the roof, and at least three-fourths of
the area shall be covered with sky
light constructed as specified in sec
ton 10.
If in the opinion Of the chief of fire
department, or other designated ofnss
cial. it is necessary to preserve an
open elevator or hoistway in existing
buildings, the floor openings through
which they pass shall be equipped
with automatically closing trap doors
not less than 1 IL inches thick, made
of two thicknesses of matched boards,
covered on the under side with tin !.
the trap doors when closed, shall not
extend beyond the openings on all
sides. Such trap doors shall be pro
tected by substantial guard or gate
/, which shall be kept closed at all times
except when in actual use.
Section 49, Skylights Over Stairway
and Elevator Shafts Where stair
way, elevator, or dumb waiter shaft
extends through the roof and is cover
ed by a skylight, the skylight shall be
constructed with incombustible frame
and sash, glazed with ordinary thin
glass, and shall be protected by gal
vanized steel wire screen with mesh
not exceeding one inch, and the wire
not smaller than No. 70 gauge. The
screen shall have metal supports, and
be placed not less than 6 inches above
the skylight Instead of a skylight, a
window may be placed in the side OF
the shaft above the roof which is far
thest removed from property line.
The window shall have incombustible
frame and sash, and be glazed with
thin glass.
Section a. Floor Lights-EXcept in
dwellings, all openings hereafter made
in floors for the transmission of lights
to floors below shall be covered with
glass set in metal frames and bars.
The glass shall not be less than ga
inch in thickness, and if any glass
measures more than 16 square inches
there shall be a rigid wire mesh either
l., the glass or under it.
Section Is. Light Vent and Dumb
Waiter Shafts-In every building here
after erected, or altered, ex~
cent frame buildings. all walls
or partitions forming interior
light or vent shafts shall be built in
accordance with the requirements for
stair and elevator shafts in new build
ings. as specified in Section ~. The
walls or dumb waiter shafts, except
those in dwellings which extend only
one story above the basement or eel
lar. shall be of fre-resistive construc-
ton. and shall be not less than 3 inches
thick, if constructed of brick, hollow
or solid partition blocks, or of steel
studding and metal lath, with S-4-inch
of Portland cement plaster on each
side; or a 2-inch solid metal lath and
Portland cement plaster wall may be