The Detroit times. [volume] (Detroit, Mich.) 1903-1920, 1911-02-23

Lees than the width or the Hantsi.
Hearths shall be supported By
trimmer arches Of brick. stons. terra
Gotta nreproofing OF concrete. or ~
heavy metal barA placed not less
(l) end OF each bar projecting into
#, the wall OF Chimney and the other
end securely fastened 20 the trimmer
Joists. with q filling above the bars
OF not less than two CD courses or
brick. laid In cement mortar. Wood
csnterins under arches shall be re-
moved before piastsrinE ceiling UNI
Sec. 10. FIRnPLAcEs. The
backs and the sides OF all ireplaces
shall not be less than eight CD
inches thick and OF brick stone.
terials and shall have an iron. terra
Gotta or nrebrick lining whore used
Sec. IL. FRAMING. Wood franz
ing around chfmneys and hearths,
shall not be built into any hearth.
nor within two CD inches OF the out
or lining or any nue.
ARTICLE XVIII.
Het Ar, steam and Hot water
Pfpes.
Section I. HOT AIR PIPES All
hot air pipes or nuss shall be
made OF TIN or other sheet metal.
and when built IN masonry shall
be enclosed on all sides by walls
not less than four go inches thick.
Hot air pipes Ia wood or stud par
titions shall have double walls with
not less than one-ouarter (h) inch
air space between. and shall have
Horizontal hot air pipes shall bs
ut least six co. inches below any
lath or plaster or wood ceiling, un-
less such ceiling 10 protected by
q metal shield or asbestos mill
board separate from the hot air
Sec. .. REGISTER BOXES Reg
lister boxes placed In wood or other
combustible floor or wall construc-
ton shall be made OF metal. doubled
and perfectly isolated from contact
with such construction;
air boxes or ducts connecting 10
hot air furnaces shall be made or
metal. brick or other incombustiols
material. but shall not be carried
under the basement floor.
Sec. 4. VENTILATION FLUER
or a fo. or S yis,. f1r Ga.
shall be constructed OF sheet iron
or other ineombustibls material
and isolated from wood or other
combustibls material Such ducts
In school rooms shall be covered
on AL exposed sides with metal
tsrisi ana two coats OF plaster.
Sec. 8. STEAM OR HOT WATER
PIPES. Steam or hot water heat
Ing pipes shall not be placed In
contact with any timber or wood
work, and shall be protected by .
material When they pass through
fioors or esiiings OF iath or plas-
ter, In edition 20 the metal shield,
they shall pass through metal
tubes. ons-half inch larger In d.
Amstsr than q: pipes; -.
or indirect surface shall be made
OF metal or other incombustibie ma
tssial. They may be covered on
the outside with wood lined With
SEQ. I. SovERINo or PIPES
steam pipe covering shall have an
inner layer OF incombustibls ma
terial at least ons-eighth (hl
inch IN thickness. with . total
thickness not less than ons-haif
(h) inoh. Hixh pressureEstssm
bustibis material not less than one
Q) inch In thickness. All pipe
coverings must be protected from
contact with smoks pipes or othsr
heated surfaces.
ARTICLE XIX.
HEATING Appliances.
Section I. FLUE CONNECTIONS.
All botlers. furnaces. nrepiaces,
ovens. Kitchen ranges and gas
stoves. ana othSr heating appar-
atus. shall be connsctsd with .
and within sSs shortest distance
pD Sec 3 HEATING BOILERS. All
boilers, In residences used for heat
ing only shall DO low pressure and
twsivs liaJ pounds per square inch.
Heating systems connected with
high pressure boilers must have
positive reducing valves attached
In suoh q manner a. will prevent
. higher pressure than twelve CID
pounds. On aay part az the heating
Sec. .. FURNACE coNsrRUc-
TON Bri1lk-set furnaces must be
enclosed with double walls. laid
up with hard brick and mortar and
with an Air sp.os s:swssn these sss,,
be protected sithsr with brick
arches properly anchored with tie
rods and buckstayS with the top
and haunohss Of aroh hlled with
sand or BY metal shields securely
fastened and niIsd with net less
crown OF aroh o. hlshsst poiat Of
Portable furnaces shall be sn-
closed with double castings with at
least ons-inoh air space between
or with one outside casing lined
with asbestos paper and tin. The
castings shall be OF galvanized iron
Of not less than No. fs gauge and
the furnaces shall have top pro-
tscted by metal shields and sand.
Sec. 4. NO DRICK-SET BOIL
ERs TEN l,cT:s, OH so Tsnss fury uN
naces. and ovens shall not be sup
ported ON beams or moor construc-
tion Of wood or other combustibis
ssss :. , FLOOR g. Pao g62; rss
FURNACES, OVENS ETC. Port
able boilers. hot air furnaces. coy
fee roastsrs and other similar APP
planes, when not brick-set. may
be supported on beams or moor
construction made OF wood or other
combustibis material. but In any
such case the floor shall be pro-
tected by covering not less
than four CO inches thick OF con-
crete, or brick laid In cement NOR
tar. Such covering shall be laid
on q continuous sheet metal plate.
thick. having all joints riveted. and
the edges turned up four Inches
on all sides.
The floor covering and plate
shall extend under the entire ap-
piiancs and four 90 feet In front
and two CD feet on each OF the
Sec. cLEAKANcE AND PRO-
LECTION. The distance from the
top OF any boiler. furnace, oven,
coffee roaster or other appliance
in which similar Ares are main
tanned, TO q ceiling Of wood or
other inoombustibls material shall
be not less than two Cd feet
For furnaces or boilers In resi-