South Bend news-times. (South Bend, Ind.) 1913-1938, 1921-10-06


sides BY walls not less than 4 inches
thick, hot air pipes in wood or stud
partitions shall have double walls
/ with not less than one-quarter inch
air space between. and shall have
air tight joints. or may De made with
single walls II the same shall be
covered with asbestos insulating
paper OF a weight not less than
twenty (20) pounds per 100 square
feet. securely fastened in place. and
shall be isolated from direct contact
with wood or other COM bustible ma
ter.al. No hot air ppe shall be
placed in a wooden stud partition or
any combustible enclosure unless the
pipe connecting the same with the
! furnace has a length of at least five
feet measured in a horizontal plane.
Horizontal hot air pipes shall be
a. least three inches below any lath
or plaster or wood ceiling. unless
such ceiling is protected by a metal
shield or asbestos mill board separ-
ate from said hot air pipe. No wood,
lath or other combusdble material
shall be used in or on either side o.
any ywood partition as a covering
or base 10 plaster TO over any hot
air pipe.
Register Boxes. Sec. 772. Regis
ter boxes on the first floor above
furnace when place in wood or other
! com'oustible floor or wall construc-
ton, shall have double walls with
not less than one-fourth inch air
space between them. Where metal
floor borders are used, double walls
shall not be required.
Cold Air Boxes. Sec. 773. Cola
air boxes or ducts connecting to hot
air furnaces shall be made of metal
| brick or other incom'bustfble ma
! terial.
Ventilation. Sec. ia. Ventilation
! fiues or ducts for the removal of
foul or vitated air shall be construct
| ed of sheet iron or other incombust-
ible material. Such ducts shall be
| covered on all exposed sides with
metal lath or other incombustible
material and two coats Of plaster.
Steam and Hot Water Heating
Pipes. Sec. 775.. Steam and hot
water heating pipes shall not be
placed within two inches of any tim
| Der or woodwork. unless the timber
/ or woodwork is either protected by
a metal shield. or with an approved
I incumbustible pipe covering, then
the distance shall not be less than
one-half inch; Provided, that this re-
quirement shah not apply when the
! pressure in such pipes does not ex
| coed ten pounds. All steam or hot
water heating pipes passing through
! floors and ceilings, or lath and plas-
! tered partitions shall be protected by
a metal tube one inch larger in diam
eter than the pipe. having a metal
cap at the floor and ceiling, and
where they run in a horizontal direc-
! ton between the floor and the cell
( ing they shall be supported on iron
and a metal shield shall be placed
on the under side Of the floor over
them. and on the sides OF wood
/ beams running parallel with said
pipes: or said horizontal pipes shall
be covered with incombusdble pipe
! covering at least tnree-quarters of an
! inch thick, and when such pipes are
iraccessibly concealed, they shall be
covered with incombustible material.
| Wood Castings. Sec. 776. All wood
| boxes or castings enclosing steam or
hot water pipes and all wood COW
| eringS to receSses In wall. in which
steam or hot water heating pipes are
placed, shall be lined with metal or
said pipes shall be covered with in
combustible sectional pipe covering
at least three-quarters OF an inch
| thick
Coverings of Pipes. Sec. TT. All
| hot water and low pressure steam
pipe covering shall have an inner
layer Of incom'buStible material a
| least One-eighth inch in thickness,
with a total thickness not less than
one-half inch. High pressure steam
/ pipe covering must be Of incombuSt-
ible material not less than one inch
in thickness. All pipe coverings
must be protected from contact with
smoke pipes or other heated surfaces.
ARTICLE XII.
Metal Smoke Stacks, F1ues and
Pipes.
| Double Walls. Sec. 77S. If the
heat in a metal plate smoke stack
is great enough TO make the tenn
| perature at any point inside such
stack more than two hundred de-
gress Fahrenheit, the walls OF the
stack shall be made double, with an
air space between or the stack shall
| be covered with some suitable in
cOmbustble material.
If the neat is II eat enough to raise
the temperature Of such stacks L.
NOR" ina, eight hundred Dig -ces
more than eight hundred degrees
| Fahrenheit, they shall Re lined with
| fire brick as high as may be
| necessary To prevent a tempe -atlIre
~ the metal u the stacks of more
| iha:, eight huEd,co degrees Fahser-
heit.
Projection Above Roofs. Sec. 779.
All such stacks shall project at least
! ten feet above the highest point of
| adjoining roofs OF any building
within 500 feet in any direction.
Anchors Sec. $50. If such stacks
are made isolated. they shall be de-
signed to resist all possible lateral
strains by the use Of substantial an
chOrs.
Stacks IN Buildings. Sec. ISL. II
such stacks are made inside Of a
nCn-fireproof building. except foun-
| dries or similar buildings, they shall
| be entirely enclosed with masonry
walls not less than eight inches
thick The shaft between the stack
and the enclosing walls in such a
| building shall be rooted in with in
ccmbustfble material, and no wood
shall! tie used In an way inside of
/ such shaft.
If such stacks are made inside of
fireprOof buildings they shall be en-
closed by a partition walls made of
brick. terra Gotta, freproofng. con
crete or other .ncombustible ma
terials. and not less than four inch
es thick. Stacks in fireprOof build
! ings may be made Self-supporting
the entire height, or may be sup
| ported from floors at intervals. and
in either case the construction shall
provide for all contingencies due 10
changes IN tenn Cerature. The shaft
! Termed between the stack ard the
enclosing partition walls shall be
-OCfed = with steel plat-s ur other
nc .. Ust,ble material
Smoke Flues. Sec. 1872. Metal
smoke hues. connecting large furn-
aces or boilers to stacks or Chin
neys. shall be made Of cast iron or
OF steel plates covered with suitable
incombUsti'ble material, at least one
inch thick. Such flues may be made
OF brick or other incombustIble ma
! terials. lined with fire brick.
Smoke fiueS from house heating
furnaces or boilers may be OF a single