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

mcQ, the average IOT concrete DlOChS
lsid with cells vertical shall be no.
less than 500 pounds per square inch,
Concrete blocks shall not be more than
&c days old when tested The average
strength of the blocks as here given
shall be obtained by testing ten blocks
OF average quality.
The allowable working stress of
hollow building blocks shall not exceed
100 pounds per square inch of gross
area for terra Gotta blocks, or so
pounds per square inch of gross area
for concrete blocks. If wall be built
OF blocks with the cells horizontal, the
allowable working stress shall not ex-
coed 80 pounds per square inch of
gross area.
All partitions in schools, hospitals
and places of public assemblage, over
one story high and all walls and parti-
lions in theatres, shall hereafter be
built of brick, stone, hollow or solid
blocks. or metal lath and Portland ce-
ment plaster on metal studding, or
other equivalent incombustible con-
struction.
Parapets-All exposed walls and all
exterior division or party walls over
one story high shall extend the full
thickness or top story to at least 2
feet above the roof surfacing of a
building as a parapet and be properly
COPIED. excepting walls which face on
a street and are finished with incom-
bustible cornices, cutters, or crown
mouldings, excepting also the walls OF
detached private dwellings, with peak
ed or hipped roofs. The parapet walls
o. warehouses and all manufacturing
buildings shall extend feet above the
roof.
Fire walls shall be constructed OF
lhard-burned brick or reinforced con-
crete and shall be continuous from
/ fc undation to feet above the root
level, and be COPIED.
Section g. Concrete Construction
Concrete for reinforced concrete con
/ struction shall consist of wet mix
tare of one part of Portland cement te
not more than six parts of aggregate
fine and coarse, in such proportions as
! to produce the greatest density.
The quality of the materials, the de
sign and the construction, shall BIZ
in accordance with the best engineer.
ing practice.
Section 10. Protection Of Ends O.
Wooden Beams-The ends of all floor
ceiling or roof beams, entering par
IL or fre-wall from opposite sides, shall
Ibe separated by at least inches o
solid masonry. Such separation ma.
be obtained by corbeling the wall o
staggering the beams. or the beam
may be supported by steel hangers, bu
no wall shall be corbeled more thai
IL inches on each side of wall for thi
purpose. The ends of all woodel
beams which enter walls shall be Gu
to a bevel to make them self-releasing
Section IL. Protection of Wall Open
ings-No opening in an interior ma
sorry wall shall exceed s feet by II
feet If the opening be in a party o.
fire wall it shall have standard au
tomato fire door on each side of th'
, wall. If an opening in a fire wall /.
made to serve as an emergency exit, i
; shall not exceed As square feet IL
AREA. and a self-closing fire door shall
be substituted for one of the automatic
fire doors. The total width of open
,ings in a fire wall shall not exceed
$50 of the linear length of the wall.
Every building within the fire limits
) except churches. dwellings, tenement
houses Corrnitbries and lodging houses
shall have standard fire doors, shut
tors or wired glass in incombustible
frames and sash on every exterior OPP
ening above the first story, except
when fronting on a street not less than
81 feet wide, 4or where no other build
ing is within 50 feet OF such opening
The wall of a building in the same
plane as that in which the opening Is
situated. shall not be considered as
coming within the intent of this rule
All OPENINGS in the side and rear
walls of the first story, except show
windows, shall be protected as pre-
'1scribed in this section when within 80
feet of another building.
All windows more than 70 fee'
above the curb shall have incombusti-
Bile frames and sash glazed with wired
glass.
! Occupants of buildings shall close all
Iexterior and interior fire doors, shut
ters and windows at the close of bust
ness each day.
II CootiOr 70 Stairway and Elevator