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


roof. II shall be guarded by a gal
yanized iron ventilating thlmble ex-
tending from at least o inches below
the undcrsidc ~ the ceiling or roof
beams 90 at least . inches above the
roof, and the diameter Of the ven
tilating thimblc shall not be less than
SO inches greater than that OF the
smokcstack Metal smoke stacks
shall not be permitted 10 pass
through floors.
The fireback Of every fireplace
hereafter erected shall be not less
than inches In thickness OF solid
brick work. not less than ~ inches
Of stone lined with fire brick. When
crate Is set In fire place, n lin
ing Of fire brick AT least 2 inches In
thickness shall be added 10 the fire
back; or soapstone, tile or cast iron
may be used, II solidly backed with
brick or concrete.
All flue holes when not In use
shall be closed with tight-fitting met
al covers.
Section 25. Wooden Beams Sep
arated from Masonry Chimneys; No
wooden beams or joists shall be-
placed within 2 inches Of the outside
face Of a chimney or flue, whether
the same be for smoke, air, or any
other purpose.
No woodwork shall be within
inches Of the back wall Of any fire
place.
Al spaces between the chimney
and the wooden beams shall be solid
( IS filled with mortar, mineral wool.
or other incombustiblc material
The header beam, carrying the tail
beams % floor ard supporting the
trimmer arch In front Of a fireplace.
hall be- not less than 90 inches from
the chimney breast.
No wooden Turing or studding
shall be placed against any chimney
the plasteriug shall be directly on the
masonry, or on metal lathing.
Woodwork fastened 20 plaster
which "a against the masonry Of
chimney shall have a layer Of ashes
tos board at least rs inch thick
placed between the woodwork and
the plaster.
Section 20. 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 paN through
wooden lath and plaster partition
floor or roof, they shall be guarded
hy galvanized iron ventilated thin
blcs ~ least I 2 inches larger in diam
cter than the pipes, or BY galvanized
iron thimbles built IN NJ leas, inch.
e. Of brick work or other incombuat-
iblc mntcrial
Section 27 Hot Air Pipes and
Registers; All heater pipes from
hot mir furnaces where passing
through combustible partitions, or
floors. must be doubled tin pipes
with M least l.inch air space be.
tween them. Horizontal hot air pipes
leading from furnace shall be not
less than q inches from any wood
work, unless the woodwork be cover.
ed with loose fitting tin, or the pipe
covered with NJ leas, 2 inch cor.
rugated asbestos, In which latter
work may be reduced 10 not less than
3 inches
No hot air pipe shall be placed in
n wooden stud partition or any wood.
en- enclosure unless " be nj least
feet horizontal distance from the
furnace. Hot air pipes contained In
combustible partitions shall be placed
inside another pipe arranged 10
maintain 10 inch air space between
the two on all sides. or be securely
covered with 10 inch Of corrugated
asbestos Neither the outer pipe nor
the covering shall be within one inch
Of wooden studding, and no wooden
lath shall be used 20 cover the por-
ton Of the partition IN which the
hot air pipe IL located. Hot air pipes
w closets shall be double, with q
space Of NJ least one inch between
them on all sides
Every hot air furnace shall have
at least one register without valves
or louvres.
A register located over brick
furnace shall be supported by brick
shaft built up from the cover Of the
hot-nir chamber. aid shaft shall be
lined with n metal pipe; and no wood
work shall be within 3 inches Of the
outer face Of the shaft.
A register box placed In the floor
over portable furnace shall have
an open space around II Of not less
than inches on all sides, and be
supported by an incombustible Dor.
der.
Hot air registers placed IN any
woodwork or combustible floors shall
be surrounded with borders OF in
combustible material, not less than
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 n
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 incombustible ma
terial.
Section 20. Steam and Hot Water
Pipes In Heating Systems: No
steam or hot water pipe shall be
within inch OF any woodwork. Ev-
cry steam OF hot water pipe passing
through combustible floors, or cell
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