The Abbeville press and banner. [volume] (Abbeville, S.C.) 1869-1924, 1916-01-12

by fire doors mounted with wrought
iron or steel hardware, and shall be
securely attached to the wall or par
tition, or to substantial incombustlble
frames anchored thereto. If glass
panels be used in such doors, they
shall be of wired glass not exceeding
720 square inches in area. Interior
shaft windows shall not be permitted.
Doors opening into stairway shafts
shall swing in the direction 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 3 feet
above the roof, and at least three
fourths of the area shall be covered
with a skylight constructed as specl-
fed in Section 40.
If in the opinion of the Inspector,
or other designated official, it is me-
cessary to preserve an open elevator
or hoistway in an existing building,
the floor opening through which it
passes shall be equipped with auto
m~atically closing trap doors not less
than / IL inches thick, made of two
lthicknesses of matched boards, cover
ed on the under side with tin; the
trap doors, when closed, shall extend
beyond the openings on all sides.
Such trap doors shall be protected by
a substantial guard or gate, which
shall be kept closed at all times, ex-
cept when in actual use.
Sec. 40. Skylights Over Stairways
and Elevator Shafts.-Where a stair
way, elevator, or dumb waiter shaft
extends through the roof and is COW
cred with a skyligkt, the skylight
shall be constructed with incomt'usti-
BILE frame and sash, glazed with or
binary thin glass, and shall be pro-
tected by a galvanized steel wire
screen with a mesh not exceeding l
inch, and the wire not smaller than
No. ~ gage The screen shall have
metal supports and shall be placed
not less than 6 inches above the sky
light. Instead of a skylight, a win
dow may be placed in the side of the
shaft above the roof which is fur
thest removed from a property line.
The window shall have incombustible
frame and sash and be glazed with
thin glass.
Sec. Al. Light, Vent and Dumb
Waiter Shafts.-In every building
hereafter erected or altered, except
frame buildings, all walls or parti-
lions forming interior light or vent
shafts shall be built in accordance
with the requirements for stair and
elevator shafts in new buildings as
specified in Section 80. The walls of
dumb waiter shafts, except those in
dwellings which extend only one
story above the basement or cellar,
shall be of fre-resistive construction,
and shall be not less than 8 inches
thick if constructed of brick, hollow
or solid partition blocks, or of steel
studding and metal lath with three
u%uarter-inch of Portland cement plas-
ter on each side, or a Pinch solid
metal lath and Portland cement plas-
ter wall may be permitted, if secure
ly anchored at each floor. The mate
rial and method of construction to be
as specified for stair and elevator
shafts in existing buildings in Sec
ton 80.
In frame buildings outside the fire
limits the enclosure partitions of all
such shafts may be constructed as
provided in Section 80 for stair and
elevator shafts in existing buildings.
Where a dumb waiter shaft does
not extend through the roof, the top
of the shaft shall be of ire-resistive
construction of the same thickness as
the walls of the shaft.
All openings in dumb waiter shafts
shall be protected by fire doors
mounted in incombustible frames Sc
curely anchored to the walls.
The walls of all light and vent
shafts, hereafter erected shall extend
not less than 8 feet above the roof
level, except that when a shaft is COW
cred by an incombustible ventilating
1kylight the walls need not extend
more than 2 feet above the roof. Ma
sorry walls shall be properly COPIED.
When metal louvres are used for
ventilating purposes the louvres or
stats shall be riveted to the metal
frame.
Sec. AZ. Roof Covering Every
building hereafter erected within the
nre llmlCS snail nave an
BILE roof covering and no existing
wooden Single roof, if damaged
more than Is per cent, shall be re-
newed OF repaired with other than
incombustible roof coverings.
Sec. 43. Roof Openings.-All open
ings in roofs for the admission of
light or air, other than those provid-
ed for in Sections 26 and 20, shall
have incombustible frames and sash
glazed with wired glass, or ordinary
gless may be used, if protected above
and below by galvanized steel wire
screens with a mesh not exceeding 1
inch, and the wire not smaller than
No. IL gage. The top screen shall be
installed as specified in Section 40.
Sec. Al. Exits Required The
term floor area, as used in this Sec
ton, shall mean the entire floor
space between exterior walls and fire
walls.
In every building hereafter erected