The Detroit times., 1910-12-07


3 and perfectly isolated from contact
with such construction
See. 3. COLD AIR BONES. Cold
air boxes or ducts connecting To
not air furnaces shall be made or
metal, brick or other incombustlble
material. but shall not be carried
under the basement floor
see 4 VENTILATION FLUES.
ventilation fiues or duets for the
removal OF foul or vitiated an.
shHil be constructed OF sheet iron
or other Uncomfortable material.
ana isolated from wood or other
combusttbie material. such ducts
In school rooms shall he covered
on all exposed sides with metal
lath or other incombustible ma
/ teriai and two coats OF plaster.
See. s. STEAM OR HOT WATER
PIES. Steam or hot water heat
ing pipes shall not Ice placed in
contact with any timber OF wood
Work, and shall be protected BY
MEAL shield or other incomhust.ble
material When they pass through
noors OF ceilings OF lath or p!as-
y ter In addition TO the metal shield.
they shall pass through metal
l tubes, one-half inch larger In di-
ameter than tho pipes
Sec. 6. STEAM COILS Boxes
enclosing steam or hot water coils
or Indirect surface shall be made
OF metal or other incombustible ma
the outside with wood lined with
asbestos Ses paper rp,xo or pipes
: All hot water and low pressure
steam pipe covering shall have an
inner layer OF incombustible ma
teriai at least one-eishth Go
inch in thickness. with total
thickness not less than one-half
ca inch High pressure steam
pipe covering must be OF incoin-
ms tsy n nAt Lass nfiR
% inch In thickness All pipe
. coverings must be protected from
contact with smoke pipes OF other
4 heated surfaces
ARTICLE XIX.
Heating Appliances.
Section ! FLUE CONNECTIONS.
All boilers. furnaces, nreplaces.
ovens. kitchen ranges and gas
stoves. and othel heating appar-
atus. shall be connected with a
fue. chimney or stack. AS directly
and within the shortest distance
possible.
See .. HEATING BOILERS All
> boilers, In residences used for heat
3 ing only shall be low pressure and
In no case shall this pressure exceed
twelve (l2) pounds per square inch
Heating systems connected with
high pressure boilers. must have
positive reducing valves attached
In such manner as Will prevent
o higher pressure than twelve (i2b
Il pounds. on any part OF the heating
2 systcm
Sec s. FURNACE CoNSTRUC
TON Brick-sot furnaces must be
enclosed with double walls. laid
UP with hard brick and mortar and
with an air space between these
The tops Of such furnaces shall
be protected either with brick
arches properly anchored with tie
rods and buckstays with the top
0 and launches OF arch filled with
sand or by metal shields securely
fastened and filied with not less
3 than two inches Of sand over
crown OF arch or highest point OF
8 metal shield.
6 Portable furnaces shall be en-
: closed with double castings with at
5 least one-inch air space between
or with one outside casing lined
4 castings shall be OF galvanized iron
e OF not less than No. 2S gauge and
3 the furnaces shall have top pro-
q tected by metal shields and sand
SIC :. No BRICK SET BOIL.
. ERS, FURNACES OR OVENS ON
WOOD Brick-se boilers. fur
naces. and ovens shall not be sup
ported on beams or floor construe-
tion OF wood or other combustiols
sec {. FLOOR PROTECTION
UNDER PORTABLE BOILERS.
FURNACES. OVENS, ETC. Port
able boilers. hot air furnaces. cor
fee roasters and other similar ap-
planes. when not brick-set. may
be supported on beams or moor
construction made OF wood or other
9 comhustibie material. bat In any
~ such case the floor shall be pro-
! tected BY covering not less
10 than four (4) inches thick OF con
I3 crete. or brick laid In cement NOR
a tar Such covering shall be laid
8 on a continuous sheet metal plate,
8 not less than one-eighth 90 inch
z thick. having all joints riveted. and
5 the edges turned UP four inches
- on all sides.
70 The floor covering and plate
Il shall extend under the entire ap-
y pliance and four 90 feet in front.
% and two CD feet on each OF the
Sec. 6. CLEAEANCE AND PRO
lection The distance from the
top OF any boiler. furnace, oven,
coffee rooster or other appliance
In which similar fires are main
tanned, 10 a ceiling OF wood or
other .ncombustible material shall
be not less than two 90 feet.
For furnaces or boilers in resi-
% uances this distance may be re-
i duced TO ten (l0) inches provided
2 the ceiling over the furnace or
3 boiler and twenty (20l inches all
A around IL covered with asbestos
s mill board and sheet metal. kept
g at least one 10 inch below the
z wood or plaster.
9 for ovens. coffee roasters. and other
10 similar appliance In which fires are
II maintained. the ceiling above, IL
n within thirty-slx $50 inches shall
Is be protected BY two CD separate
!. metal shields. or BY double cell
Is ings made OF plastering on metal
10 lath' or other incombustible ma
II terial with an air space between
- OF not less than two CD Inches. or
~ the said ceiling shall be protected
% by a covering not less than two CD
II inches thick Of porous terra Gotta
a hreproohng. brick or concrete. or
q other incombustible material sup
a ported with iron bars and pias-
IS tered on the underside
Is This covering shall extend your
n al feet beyond the furnace boil
IS or, etc. on all sides.
q Partitions made OF wood or other
o combustible material shall not De
4 placed within seven 90 feet OF the
g oven. coffee rooster or other appli-
4 ance in which similar fires are
6 maintained. nor within four (4l
4 feet of the sides and end II such
7 partitions are lined with metal 10
g the height Of the top Of the boiler,
. furnace, oven, etc. they may be
o pIaced Ave (5) feet Of the front and
! TWO CD feet of the sides and end.
Sec. 7. RAN0ES. Kitchen ranges
2 shall not be placed nearer than six
8 CD inches to any partition mace
4 OF wood or other combustible ma
5 terial. and II placed nearer than
4 twelve U2) inches to the partition.
I shall be protected by metal shields.
3 not less than one "a foot higher
. than the range. and In All cases
! metal shields one % foot larger
2 each way than the range. except
2 where incombustible material 10
4 used for the construction and mn
5 ish OF these floors.
Ranges without legs. supported