The Lubbock avalanche. (Lubbock, Tex.) 1909-1922, 1922-05-16

vanlzCd iron NentilatlnR tniWblt th-
tending from at least . inches below
the underside Of the ceiling or roof
beams to at least inches above the
roof. and the diameter Of the ven
tilating thimble shall not be less than
80 inches greater than that OF the
smokestack. Metal smoke stacks
shall not be permitted 10 pass
through floors.
The fireback Of every fireplace
hereafter erected shall be not less
than 3 inches in thickness of solid
brick work. not less than Y inches
OF stone lined with fire brick. When
CRATE Is set in a fire place, a lin
ing Of fire brick at least inches in
thickness shall Zoe added to 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 tght-fitting met
al covers.
Section 25. Wooden Beams Sep
arated from Masonry Chimneys: No
wooden beams or joists shall be
placed within ? 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
All spaces between the chimney
and the wooden beams shall be solid
T ~ filled with mortar. mineral wool.
/ or other incombustible material.
The header beam, carrying the tai
beams Of floor and supporting the
trimmer arch in front Of a fireplace.
shall be- not Jess than 20 inches from
the chimney breast
No wooden Turing or studding
shall be- placed against any chimney;
/ the plastering shall be- directly on the
masonry. or on metal lathing
Woodwork fastened 70 plaster
which is against the masonry Of
chimney shall have layer Of ashes
{ tos board az least is inch thick
placed between the woodwork and
the plaster
Section Pc. Smoke Pipes. 80
smoke pipe shall b. within 9 inches
Of any woodwork or any wooden
lath and plaster partition or ceiling.
Where smoke pipes pass through
wooden lath and plaster partition
floor or roof. they shall be guarded
/ by galvanized iron ventilated thin
bles at least ! 2 inches larger IN diam
ster than the pipes, or BY galvanized
iron thimblcs built in al least inch
IS Of brick work or other incombust-
ible material
Section 27. Hot Air Pipes and
I D.rrtrfAra q 49,
hot air furnaces where passing
through combustible partitions. or
floors. must b. doubled tin pipes
with at least linch air space be
tween them Horizontal hot air pipes
leading from furnace shall be not
less thar 8 inches from any wood
work. unless the woodwork be cover
ed with loose fitting tin, or the pipe
covered with az least 70 inch co.'s
rugated asbestos. in which lattGk
cases the distance from the two&l
work may be reduced 20 nqf Leo ~
inches n $50.
SO hot air pipe k,nl) " c!ura
o wooden stud rxrf1111 ~ NM It
r. s1 sciisssss Y e. 3sd|r IL
furnace. Hs: sis pIpcs centafnes n
co,phnstil = sfti(I )s,shAil 81 placed
inside <dolhet .pip< hffnnged O.
! ph)r> III, 13-jBfh ni5 space between
W. t~o % al sides. or be- securely
| 1HStfcd with f-2 Inch 81 corrugated
|d0be1I6k Neither the outer pipe nor
I fbe towering rhall be within one inch
lot wooden studding. and no wooden
| lath shall be used 70 cover the por.
ltion Of the partition in which the
hot air pipe Il located Hot air pipes
In closets shall be double. with q
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 q the
hot-air chamber; said shaft shall be
lined with a metal pipe and no wood
work shall be within 3 inches o. the
outer face Of the shaft
4 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.
eomhustihe material not less than
II 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 II
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 %. Steam and Hot Water
Pipes in Heating Systems: No
steam or hot water pipe shall be
within inch Of any woodwork. Ev-
cry steam or hot water pipe passing
through combustible floors, or cell
ings. OF wooden lath and plaster par
titions shall be protected by a metal