The Indianapolis times. [volume] (Indianapolis [Ind.]) 1922-1965, 1932-03-09

APPLICATIONS:
Positive No Negative
Correc- Correc- Correc-
Crate area. 50. on ,n ,,e
Heating sur
5 5a, in. a 7 &a.7s4o 1920 5ss5
1& asa 70 ''1s a5sto1 9 90 ! 80
Correction per
10 lis q + OO0 wv
tbl Every warm air furnace shall be
EQUIPPED with water pan or other hui
D'''' &c. second Floor Heating
In second floor duplex. hats or apart
ments where separate heating plants are
used. add so per cent to the total net
calculated areas as determined IN Sectloh
E-603. This represents the required i ga-
mace capacity in square inches OF Leader
pipe area. Leaders and stacks are not
~ ID. Gas or Oil-Fired Furnace
In the application Of any gas or oil
flred furnace TO any warm air heatlng
ton: See Section E-614-i.
e. Limitations Of the code
The formulas for determining the size
of basement warm air pipes are apphcaple
to rooms of the proportions found in the
average residence FOR ICONS t na1gs out
side of these average proportions, ao-
Justment must be made in the number
of air changes to be used. The formulas
are not applicable to pipes having. diem
eters greater than IA inches or lengths
greater than - to is feet. -
The rating formula is applicable to tur-
naces of the common type of construction
having round frepots and ratios OF heat.
ana n $ so The y formula IS en not applicable
to furnaces Of special construction or
equipped with UNUSUAL SPECIAL FEATURES e$:
deviating materially from $4,000 b. t.
1n Certified measurements of warm air
Furnaces issued by authority of the Ma
tional Warm Air Heating Association after
crate areas and heating surfaces i1 have
been accurately measured, shall be &C
Cepted as standard ratings.
SECTION )
That Division Z. Part Of Sec td9n $50
Bv amend6g Sec Section ESo en
titled. Castings" to read as follows:
ECHO. Castings
(a) Warm air furnaces shall be en-
closed in metal, castings or walls OF brick
lille or concrete.
GLIDING casing tops or bonnets shall be
made of galvanized sheets, not lighter than
% U. S; standard gauge. They shall mt
the castings and casing rings closely.
so as to be dust tight and shall be Sc
curey fastened to the front. The cas-
ing shall be hned from the upper GaS ing
Ic) When side collars are used, the
cient height so that the largest warm air
pipe can be taken from side without oval
ing, In no case shall distance less Inan
the top of any furnace and the bonnet.
Id The clearance between any COM
Of any furnace or smoke pipe shall be
at least one ~ foot and the furnace
may be depressed in the floor of the base
Csee Section A-92ll
(el Openings for side casing collars
so that the tops of al openings are on
the level. Casing collars shall be nttec
into place with a proper flange, or bead
side sid IN making a dust tight Joint. All col
lars shall be of the same size as the
warm air pipes to which they are con-
eH All metal casing tops, shall be in
Sulated with magnesia, asbestos boiler
cs1 Brick. Cement OF hollow tile cas-
ings. shall be constructed as tolloS%s: vans
in thickness and shall be constructed air
tight. The least inside dimensions OF
rectangular castings shall be the same as
that of the portable casing Il, OF a CORE IRE
Sponding size of furnace: Walls OF mason
~ set furnaces shall be carried 10 the
same height as the. walls Of portable
inches between the top OF the furnace ana
the bottom OF the top cover. After placing
masonry shall be continued up even with
the top OF the collars. spacing roos OF
bar iron on edge or angle irons shall be
laid across the furnace top. These Shal
be covered with sheet iron. The sheet
iron shall be covered with. masonry and
above the masonry bed A galvanized
iron casing bonnet may be used on mas
SO Provision shall be made in the walls for
manhole TO give ingress to the heater.
SECTION
That Division E, Part Of Section 800
amended by amending Section E. Oil en-
titled Warm Air Pipes in the Basement
or Cellar" 10 read as follows
Section E-6ll. Warm Air Pipes IN Base
Warm air pipes in basement or cellars
0'' Gal Ali warm air pipes shall be made
Of bright tin not lighter than &c, or gal
vanized iron. Side seams shall be locked
scanned or Tapped not less than one. to
one-ouarter inches lli4o. Such joints
shall be match-beaded or beaded and
shall be property secured TO ceiling OF
joist No solder or riveted Joint is re-
gsS s whse or Oena erE pipe SIPS Up box
diameter shall not be made Of material
lighter than TX tin OF. No. % U. S. stan
dard gauge galvanized iron.
(bl All warm air pipes in the base
ment shall have an upward pitch OF not
fc) No warm air pipe shall run within
one inch ~ of any woodwork unless
such woodwork is covered with asbestos
paper and the paper covered with tin OF
iron.
(dl All warm air pipes in the basement
shall be provided with hampers supported
on both Sidees not more than two feet
from the casing.
(el Where warm air pipes pass through
or into unheated spaces separated from
the furnace room they shall be insulated
with not less than three LAYERS o. air eel
asbestos paper or the equivalent"
SECTION 7
That Division Z. Part OF Section So
OF General Ordinance No. l2l. 1875. oe
amended by amending Section E-6l2 en-.
titled. wall Stacks" TO read as fol-
lows: section E-6i2. Wall Stacks.
(al Single Stacks All single wall stacks
or wall pipes. heads. boots els. tees
angles and other connections shall %
made OF tin or galvanized iron ard shat
be covered with not less than one thick
pess Of IL lbs. per one hundred tl0Ol
k11duare feet Of asbestos paper. Ali sucf