The Detroit times., 1910-10-05

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6 Type l.-Fireproof Construction.
Type 4.-Protected Construction.
Type S.TMill Construction.
Type 4.-Ordtnary CONSTRUCTION.
10 Type 6.--Frame Construction.
IL Type 6---Skeleton Construction.
Sec. 2. TYPE I. FIREPRoOF|
CONSTRUCTION This type of COLI
3 struction shall be applied to all
8 carry weights or resist strains. and
all stairs. and all stair and elevator
Z enclosures are TO be made entirely
s OF incombustfble material. and In
Q which all metallic structural mem
- Sec. 3. FiREPRooF MATER
2 IALS. The materials which shall
be considered as fulfilling the re-
quirements of nreproof materials
for wallis. are:
6 Brick.
2.-Stone.
8 3.--Concrete.
8 4-Terrs Gotta.
10 S.-HoIow Burnt Clay Tile.
IL 6.-Cement Block or Tiles.
IL And for non-bearing parti-
i3 tions . combination OF pure gyp-
IS combustibie material covered
i6 with any so-called .'freproof
IL paint" shall not be considered as
IS fireproof material.
Sec. 4. FIREPROOF COVER
2 INGS FOR METAL The materials
and construction OF fireproof Gov,
ering for metallic members shall
Sec. s. BRICK. Brick not less
than four ca inches thick, outside
Of the extreme metal hanges and
4 oil hollow spaces behind the orIcS
flled solid with hreproof material.
Q Such brick covering shall DC
Z thoroughly bonded.
Sec s. BLOCKS Hollow tile ana
burnt clay. porous terra Gotta or
S2) inches thick outside OF the sx-
treme metal fianges.
All such blocks. II made hollow.
shall have fianges and webs AZ
s least five-eighths (M) inches thick
and webs not more than six CO.
IL Ali such blocks are to be applied
10 to the metal In q bed OF cement
IS mortar and the hollow spaces Pc.
IA hind the blocks shall be niied so'o
ia Ali such covering shall be firm
IL ly secured to the metal.
Sec. H. CONCRETE. Concrete
4 applied directly to the metal OF
s the constructive MEMBER anoe, oo OF and
one-haif uM) inches thick out
aide OF the extreme metal nenees
and with hollow spaces behind inc
s coverings. filled solid with mrs
10 Inc shall be firmly secured TO the
II lower fianses of girders and beams
I2 by wire or metal clips
Sec. s. METAL IN ExTEHNAL
2 WALLS Metallic Structural Men, ,,
a he protected on the outer side by at
6 least eight (s) inches OF brick or SIX
fsI inches OF other Fireproof Nate
rial. or combination OF any Two.
In Skeleton CONSTRUCTION. 'ns
10 fireproofing may come within two
n f2I inches OF the face OF the wall
Il The underside Of the spandrti
is beams shall be protected by cover,
X ing F,gen q. Material. and the inside by
is not less than two CD inches BEYOND
ii the extreme projection Of the metal
Is Ranges, and the space back OF tho
10 covering shall be filed cs SIiS;
4 The use Of Cinder Concrete In the
4 construction OF floors. ceilings and
roofs. and for F-ireproonng StructuI-
6 al Members and also for filling PACK
8 OF Fireproof coverings OF metal 10
p's sec 10. COLUMNS. For Col
2 umns entirely surrounded by FIRE
proof Blocks, these blocks shall 90
securely bound with wire or not less
than number fourteen QO gauge
,end from the. constructive floor arch
or slab. of one U) story to the I'M
derside Of the arch or slab or the
10 story above.
p conduits incased within the Fire
s. proof Coverings Of any Columns:
Sec. IL. PLASTER. The thick
ness CT the Fireproof Covering here
in called for. shall be exsiusive y,
ond riaster alone shall not be con-
Sec. IL. GYPSUM. Gypsum
blocks and tiles shall have not more
than six C.. per n, cent int. o sbs ~e, nne t5
inch thick and the mortar used shall
be Of the same material or or PORT
rI s;s 4. yaoo 81 ys cSSsTFS% SS
: struction shall be made Of.
First. Brick arches not less than
Z eight (s) inches thick. having am
pie rise, we'll keyed and laid In ce-
I Second. Hollow Burnt Clay or
. Terra Gotta or Cement Floor Blocks.
10 not less than eight 90 inches deep.
n having proper skewbacks and keys,
IL also shoes TO At the metal beams
Is Hollow Blocks shall have Webs and
"a ribs not less than nve-eighths I'D
II inches thick. Such Floor Blocks
Ia shall be laid In Cement mortar.
~ Third. Reinforced Concrete, COW
is ering and made as hereinafter oe-
% Fourth. other incombustible ma
~ terials which have been accepted
- and approved for moor construction
~ by the National Board OF Fire I'm.
"a derwriters and by the Department OK
70 eq Sec. Il. FILL UNDER FLOORS.
q Where wood floors are used over
4 Fireproof Floor Construction the
1 entire space between the top OF the
5 floor construction ano the u me n,,ed
: Nth Concrete For this purpose
. Cinder Concrete made OF one Cd
q part Portland Cement and not more
10 than eight t0 parts OF well burnt
IL e'n ssc ,S. CEILINGS. Ceilings in
/, arenroof construction. shall be en-.
= tireiy Of fireproof materials ana
4 when used for ceilings only. they
3 mus be SO constructed that they
/? bear no weight Of floors or roofs;
2 coNsTRUCTIoN: This type Of con,
stTpsson shall IN which Se ap al enclosing
E Ne made Of incombustible material,
and all interior bearing walls OK
brick or conc T,rSsr or n msde Of metal
10 protected with hreproof material, a.
~ berein described for freproof con-
- All stairs and elevator enclosures
"A .haI, be made entirely or fncom-
is bustible material.
is The floor beams or joists. noors
~ roofs ard ceilings may be MADE OF
IL wood protected with freproof ma
"a Floor beams shall be covered on
81 top with at least one and three.
20 quarters uK) inches OF solid wood
"a sub-noor. having on y one layer OF