The Detroit times., 1910-12-07

20 II the covering be % sheet metal.
Il tile or slate. IL must be over TWO
- LAYERS Of asbestos paper weighing
% IA. pounds TO the yard, fully Sc
"a cured with cleats and nails
20 All window openings shall have
- metal frames and sash with wire
2. glass.
y An door openings and openings
20 between such buildings and the
80 engine or power houses, shall have
81 standard Underwriters Automatic
81 Fire Doors.
CFACTURING PURPOSES. Frame
3 buildings outside OF the fire limits
and designed for manufacturing,
= storage. exhibition. mechanical OF
stable purposes, shall be divided by
: regular masonry Are walls, so that
no room shall contain more tnan
q $4,000 square feet OF noor area IL
10 the building be but one story In
II height nor more than 10000 square
IL feet II more than one story In
ARTICLE VII.
Qualification Of Buildings.
Section l. TYPES. For the pur-
pose OF this Ordinance. buildings
3 shall be divided into Types In
accordance with their construction
: Type i.-Fireproof Construction.
Type PROTECTED Construction
$ type s-Mill Construction
Type 4-Ordmary Construction.
10 Type 5.-Frame Construction
IL TYPE s.-Skeleton Construction.
See. 2 TYPE !. F1REPROOt
. CONSTRUCTION. This type or col,
3 struction shall be applied TO an
buildings IN which all parts that
5 carry weights or resist strains. ana
alsstairs. and all stair and elevator
enclosures are TO be made entreiy
OF incombustible material and IN
which all metallic structural mem
ra ne protected DS nFc-
Sec. 8. FiREPRooF MATER,
IALS. The materials which shail
3 be considered as fulfilling the re-
4 Quirements or nreproof Hslei'aS
for walls. are:
y Brick.
2-Stone.
$ 3-Concrete.
TERRA Gotta.
10 6-Hollow Burnt Clay Tile
II 6.-Cement Block or Tiles.
IL And for non-bearing partt-
10 tions a combination OF pure gyp
IA sum and nbre .
Is with any so-called "hreproof
II paint" shall not be considered as
Sec. ! FIREPRooF COVER.
. INGS FOR METAL. The materials
3 and construction OF freproof COW
ering for metallic MEMOIRS sha''
8 be Is follows:
Sec &. BRICK. Brick not Tess
than four a. inches thick, outsiue
3 of the extreme metal Ranges and
oil hollow spaces behind the oricK
3 Allied solid with nreproof material
Such brick covering shall be
thoroughly bonded
Sec .. BLOCKS Hollow tile and
burnt clay porous terra Gotta OF
2 concrete blocks. not less than TWO
4 (2) inches thick outside OF the sX-
3 treme metal fanges.
All such blocks. II made hollow,
: shall have fanges and webs az
8 least five-eighths ca inches thick
and webs not more than six 60
10 inches apart.
IL All such blocks are TO be applied
II TO tie metal IN q bed OF cement
IL mortar aud the hollow spaces be-
IA hind the blocks shall be filled SOLID
Is with nreproof material
ID All such covering shall be nrm
II ly secured t 70 tG9 msse' Concrete
applied directly TO the metal OF
tho constructive members. or OF
metal Iath. and at least one and
one-half U1D inches thick out
and with hollow spaces behind INC
coverings. filled solid with hrs-
proof material All such cover
10 ing shall be firmly secured to the
IL lower fanges of girdcrs "no o0""i'
II by wire or metal clips.
Sec. s. METAL IN ExTERNAL
WALLS Metallic Structural Mem,
3 bers located In External WaLs shal.
4 be protected on tho outer SIDE py a.
s least eight 90 inches OF brick or SIX
q ,s1 inches of other Ftreproof Mate
7 rial or combination OF any two.
a In skeleton Construction, inc
= mates and shelves carrying walls or
10 freproofing may come WITHIN wv
II (2) inches OF the face OF the wall
D TIE underside OF spandril beams
2 shaii be protected by covering
ia at least six (0 inches OF r1reprooi
10 Ms see 3. cINDER CONCRETE.
/, The use OF Cinder Concrete in the
construction OF floors, ceilings ano
roofs. and for F1reproofng Structur-
al Members and also for filing PACK
OF Fireproof coverings OF metal Is
Sec 10. COLUMNS BOUND. For
Columns entirely surrounded py
Fireproof Blocks. these blocks shaii
be securely bound with wire OF not
less than number fourteen NO
An Column Coverings must ex-
7 tend from the constructive door arch
or slab, OF story to the UNI
derside OF tho arch or slab OF the
o story above.
/ There shall be no pipes: wires or
, conduits incased within tho Fire
Sec. IL. PLASTER NOT. IN
2 GUIDED. The thickness of the
8 Fireproof Covering herein called
4 for. shall be exclusive OF any
s and plaster alone shall no, be CON
sec IL. GYPSUM Gypsum
2 blocks and tiles shall have not more
4 fibre and webs not less than one a.
3 inch thick and the mortar used shall
9 be OF the same material or OF Port
See IS. 1 TIoo 2, r,S GoMsTF GoS
3 struction shall be made OF.
(a) Brick arches not less than |
eight 90 inches thick. having am
8 pie rise, well keyed and laid in cs-
ment mortar.
8 Cb) Hollow Burnt Clay or
. Terra Gotta or Cement Floor Blocks.
0 not less than eight 90 inches deep. !
having proper skewbacks and keys.
also shoes TO At the metal beams
4 ribs not less than fve-eighths tsD |
8 inches thick. Such Floor Blocks
70 shall be laid in Cement mortar.
tcp Reinforced Concrete made
~ as hereinafter described in Article
20 (d( Other incombustlble ma
~ terials which have been accepted
% and approved for noor construction
~ by the National Board OF Fire I'm
- derwriters and by the Department of
rs Buildings.
Sec IA FILL. UNDER FLOORS
Where wood floors are used over
Fireproof Floor Construction the
entire space between the top OF the
5 floor construction and the underslde
. OF the finished floor shall be filled
: with Concrete For this purpose
Ctnder Concrete made OF one II
part Portland Cement and not more
10 than eight 90 parts or well burnt
II cinders may be used
See Is CEILINGS Ceilings in
fireproof construction. shall he en-