The Lubbock avalanche. (Lubbock, Tex.) 1909-1922, 1922-05-23

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Where such stack passes through
roof. Il shall be guarded by a gal.
vanlred iron ventllating thimble en-
tending from at least . inches below
the underslde Of the ceiling or reef
roof, and the diameter Of the ven
tilating thimblc shall not be less than
80 inches greater than that Of the
smokestack, Metal smoke stacks
shall not be permitted TO pas
through floors.
The fireback Of every fireplace
hereafter erected shall be not less
than inches In thickness OF solid
brick work. not less than f2 inches
Of stone lined with fire brick. When
crate Is set In a fire place, a lin
ing Of fire brick az least 2 inches In
thickness shall be added 20 the fire
back; or soapstone. tile or cast iron
may be used, IL solidly backed with
brick or concrete.
All flue holes when not in use
shall be closed with tight-fitting met
al covers.
Section %. Wooden Beams Sep
arated from Masonry Chimneys: No
wooden beams or joists shall be
placed within 2 inches Of the outside
face OF chimney or flue. whether
the same be for smoke, air, or any
other purpose.
No woodwork shall be within 4
inches Of the back wall Of any fire
place.
All spaces between the chimney
and the wooden beams shall be solid
! ~ filled with mortar, mineral wool.
or other incombustible material
The header beam, carrying the tail
beams Of a floor and supporting the
trimmer arch in front OF fireplace.
shall be not less than 20 inches from
the chimney breast.
No wooden Turing or studding
shall be placed against any chimney;
I the pastoring shall be directly on the
masonry, or on metal lathing.
Woodwork fastened 20 plaster
which is against the masonry Of a
chimney shall have a layer Of ashes
tos board az least Is inch thick
I placed between the woodwork and
the plaster
1 Section 90. Smoke Pipes: No
smoke pipe shall be within 9 inches
Of any woodwork or any wooden
lath and plaster partition or ceiling.
Where smoke pipes pass through
a wooden lath and plaster partition
floor or roof. they shall be guarded
Ihy galvanized iron ventilated thin
bios no least 10 inches larger in diam
etcr than the pines. or by galvanized
iron thimLlcs built in al least : inch
es 81 brick work or other incombust-
ib'e material
Section 27 Hot Air Pipes and
/ Regiatc AT heater pipes from
bot air furnaces where passing
through combust.hlc partitions. or
floors must be doubled tin pipes
with 40 least i-inch air space be-
tween them. Horizontal hot air pipes
leading from furnace shnil BE- not
less than 8 inches from any wood
work. unless the woodwork BE- cover.
Cd with loose-fitting tin, or the pine
covered with az least l-2 inch cor.
rugntcf asbestos. in which la.ter
cases the distance from the wood
work may be reduced % not less than
3 inches
No hot air pipc shall be placed IN
a wooden stud partition or any wood
en- enclosure unless IL be M least Z
feet horizontal distance from the
furnace. Hot air pipes contained in
cumhustihle partitions shall be placed
inside another pipe arranged 10
maintain l2 inch air space between
the two on all sides. or be securely
covered with y inch Of corrugated
asbestos Neither the outer pipe nor
the covering shall be within one inch
~ wooden studding. and no wooden
lath shall be used 10 cover the por-
ton Of the Partition IN which the
hot air pipe Is located. Hot mir pipes
IN closets shall be double. with n
space Of AZ least one inch between
them on all sides.
Every hot air furnace shall have
at east one register without valves
or louvres
A register located over brick
furnace shall be supported By a brick
shaft built up from the cover of the
hotai chamber, said shaft shall be
lined with a metal pipe; and no wood
work shall be within 3 inches Of tho
outer face Of the shaft.
register box placed In the floor
over a portable furnace shall have
an open space around IL Of not less
lnhN meme. on al Sues. ana De
supported by an incombustible Dor
der.
Hot air registers placed in any
woodwork or combustible floors shall
be surrounded with borders Of in
comhustible material. not less than
2 inches wide securely set In place.
The register boxes shall be Of met
al. and be double; the distance be-
tween the two shall be not less than
one inch; or they may be single IL
covered with asbestos not less than
is inch In thickness. and II all wood
work within ? inches be covered with
tin.
Cold air ducts for hot air furnaces
shall be made Of incembustible ma
terial.
Section 2s. Steam and Hot Water
Pipes in Heating Systems: No
steam or hot water pipe shall BIO
within l inch Of any woodwork. Ev-
cry steam or hot water pipe passing