The Detroit times., 1910-12-07

y
"a ton OF shrinkage,
20 II the covering be OF sheet metal,
~ tile or slate. IL must he over TWO
80 layers of asbestos paper Weighing
% ~ pounds TO the yard tuiiy be
- cured with cleats and nails.
25 All window openings shall nave
rs metal frames and sash Win wire
q glass
- An door openings ana openings
% between such buildings and the
30 engine or power houses shall nave
81 standard Underwriters Automatic
B. Fire Doors.
Sec. IA. BUILDINGS FOR MAN
= TrACTURtNG PURPOSES. Frame
3 buildings outside OF the fire limits
aud designed tor manufacturing.
; storage. exhibition. mechanical or
q stable purposes. shall be divided ny
regular masonry nre walls. so that
5 40 room shall contain more tnan
. - GOO square feet OF floor area, IL
10 the building be but one story III
~ height. nor more than lsooosausre
- feet IL more than one story In
Is height.
Classification Of Buildings.
Section L TYPES For the par
. nose Of this Ordinance buildings
, shall be divided into Types IN
accordance with their construction
) as follows
s Type l.-Fireproof Construction.
type PROTECTED Construction
\ Type 3-Mill Construction
q Type 4-Ordinary Construction.
10 Type Frame Construction
II Type 6-Skelston Construction
Sec. .. TYPE /. FIREPROOf'
. CONSTRUCTIONS. This type or cor
3 struction shall be applied 10 All
buildings In which all parts thar
8 carry weights OF resist strains unu
8 all stairs and all stair and elevator
: enclosures are TO be made entirely
4 OF lncombustible material, anu IN
. which all metallic structural mem
10 bers are to be protected oy hfe-
Sec. 3 FiREPRooF MATER,
. IALS The materials which shall
2 be considered as fulfilling the re-
auirements OF nreproor materials
> for walls. are:
& Brick
2-Stone.
Concrete.
. TERRA Gotta.
10 5.-liollow Burnt clay Tile.
IL e--Cement Block or Tiles
IL And for non-bearing parti-
Is lions combination OF pure syP-
Is Combustible material covered
is with any so-called 'nreproof
Il paint" shall not be considered as
- spr FfREPRooF COVER
. INGS FOR METAL The materials
3 and construction OF nrsproof GOV
ering for metallic members shaIi
3 be rs follows:
. than four "a inches thick. OUTSIDE
Z OF the extreme metal fanges ana
! all hollow spaces behind the prlck
5 filled solid with nreproof material.
s Such brick covering shall De
Thoroughly bonded
Sec. q BLOCKS Hollow tile and
. burnt clay. porous terra Gotta OF
6 concrete blocks. not less than Two
4 CD inches thick outside OF the eS
: treme metal fianges.
I shall have ianges and webs at
3 least fve-eighths ~ inches thick
Q and webs not more than SIX 60
10 inches apart.
II 10 the metal In bed or cement
ID mortar and the hollow spaces pc
IA hind the blocks shall be filled sond
Is with flreproof material.
Is All such covering shall De nrh-
Il w secured TO the metal.
Sec. :. CONCRETE. Concrete
, applied directly to the metal OF
z the constructive members. or o';
metal lath. and at least one ai.u
one-half ul2) inches thicE ou
8 side OF the extreme metal nanscs
I; and with hollow spaces BEHIND inc
. covarings filled solid with nre-
. proof material. All such cover
10 ing shall be frInly secured to inc
IL lower nangeS oA 8HuSis W."
|. by wire or metal clips
Sec s. METAL IN EXTERSAL
WALLS Metallic Structural Mem,
beers. located in External walls snaii
4 be protected on tho outer sice py az
s least eight (s) inches OF brick or SIX
le1 inches OF other Fireproof Mate
rial or combination OF any Two
In skeleton Construction. the
mates and shelves carrying walls or
10 freproofing may come wl,him wv
n (2) inches of the face OF the wall
? The underside OF spandrii beams
shall be protected by covering
4 ar least six (S) inches OF Fireproof
. Ms See 9 cINDER CONCRETE.
The use OF Cinder Concrete IN the
4 construction OF floors. ceilings ana
a roofs. and for Fireproofng Structur-
AL Members and also for filling back
s OF Fireproof coverings or metal 10
See 10. COLUMNS BOUND. For
q Columns entirely surrounded By
4 F1reproof Blocks. these blocks shaii
4 be securely bound with wire OF no,
Z less than number fourteen (l4)
8 All Column Coverings must ex-
: tend from the constructive floor arch
8 or slab. or story 10 the uh
. derside OF the arch or slab OF the
0 story above.
/ There shall be no pipes. wires or
3 conduits incased within the Fire
3 proof Coverings OF any Columns.
Sec II. PLASTER NOT IN
Z F ire covering herein called
4 FOR. shah he exclusive OF any
3 plaster afterwards applied. Lath
and plaster alone sna'i not oe eo"
Sec. ~. GYPSUM. Gypsum
2 blocks and tiles shall have not more
2 than six go per cent by weight OF
fibre and webs not less than one ul
a I'D oh "a
be OF the same material or or Port
Sec Is. FLOOR CoNsTRUC-
TION. The floor OF Fireproof Con-
structlon shall be made of.
la) Brick arches not less than |
eight 90 inches thick. having am
pie rise. well keyed and laid In ce-
ment mortar.
OBJ Hollow Burnt Clay or
Terra Gotta or Cement Floor Blocks.
not less than eight e) inches deep. J
having proper skewbacks and KEYS,
also shoes TO ht the metal beams:
; Hollow Blocks shall have Webs and
ribs not less than fve-eighths tes) i
s inches thick Such Floor Blocks
s shall be laid In Cement mortar.
Z tcD Reinforced Concrete made
\ as hereinafter described In Article
9 Kill
4 terlals which have been accepted
- and approved for floor construction
- by the National Board OF Fire Tn
y derwriters and by the Department OF
20 Buildings.
Sec. Ia. FILL UNDER FLOORS |
Where wood floors are used over |
3 Fireproof Floor Construction the
entire space between the top OF the
8 floor construction and the undersid.
OF the finished floor shall be filed
: with Concrete. For this purpose
= Cinder Concrete made OF one UJI
p part Portland Cement aud not more
10 than eight (D parts or we'll burnt(