The Detroit times., 1910-10-05

&oSt - -3~~S~~ = 800 -
= a:s..s :uisisns 10 on. a issS /,
OF WIPE 9sSsgsoSSa sn.. -. - :. :, I'm
oonstruction. and the unisrs "a Of
the noor1ng on the beams serves as
the ceiling. this one "a inch Of ire
proofing and plaster must BE- applied
to the sides sS and, and bottom 2. q The beams
On the top OF ceilings. one ID inch
OF mortar or similar and approved
material will be deemed suihcisnt
IRE protection. provided all exposed
upper parts OF such ceilings. with
No wood shall be used for any
carrying partition or post.
Non-oarrying partitions may have
wood studs. but all wood studs must
ment plaster. also the sofht Of stairs:
Wood Turing for walls or wood
lath viii not be allowed.
Sec: II. TYPE >. MILL CON-
srRUcrIoN. This type of con-
buildings in which snciosins walls
and the roof coverings are TO be
made or incombustible material and
all interior walls Of brick or con-
crete and having columns and gird:
be constructed with either metal or
wood girders and beams.
Beams and girders shall be COW
cred on top with at least one and
thres-ousrtsrs QD inche: Of solid
one % layer OF one and one-half
0h) pounds per yard asbestos paper
Cor two lO inches Of mortar) and q
seven-eights (h) inch finished wood
floor. II the wood sub-noor be less
than three and one-half (sIl) inches
thick. II shall be splined. or tongued
and grooved.
The columns. II OF wood. shall
have sectional area Of not less
than sixty 600 square inches.
The Orders and beams II of wood.
shall have sectional area OF not
less than ffty-six (6S) square inches.
Columns. girders and beams. II Of
metal, shall be covered as In PRO
Stair and Elevator enclosures shall
be made entirely OF incombustible
material. at least four 90 inches
II such buildings are four ca or
more stories In height, the stair and
elevator enclosures shall have self
= closing. standard fire doors, and the
windows In interior walls shall have
metal frames and wire glass.
Wood Turing for walls shall not
Wood posts shall have metal caps
forming base for the post above
Z and the ends of Orders shall be Sc
s cured TO the cap In such a manner
. as to be self-relea sing.
Wood beams and Orders contain
Ing less than one hundred and four
Q04) square inches, shall be In solid
) pieces and where two (2) or more
Z pieces are used to form beam. they
5 shall be bolted together at intervals
9 OF not over thirty-six $3.50 inches and
with bolts not less than one-half
5 M) inch In diameter.
The ends Of all wood beams and
9 girders resting in walls shall be cut
I on bevsl 20 that the top edge OF
beams and Orders shall not extend
: into the wall more than one az
inch.
Sec; ls: TYPE 4 ORDINARY
, CoNsTRUcTI0N; This type Of con- con;
I buildings in which the enclosing
walls are to be OF incombustible ma
terfal. but In which the interior
timber and iron structural parts are
not protected with fire resisting COW
Sec. 10. TYPE s. FRAME CON-
, struction. This type of construc-
ton. shall be applied to all buildings
in which enclosing and interior walls,
s soHrs; etc. oi va ass to be constructed
Wood frames covered with brick.
stone or cement veneer. shall be
c6 S;s e; T5Ss ~ sK 81. TON
shall be meant ali buiidin~s s in
which all Internal loads and
strains, or . both internal and
transmitted to the founda-
f flsna Dy Of iron nssle ap steel or
or reinforced concrete. such con-
struction may be fireproof or pro-
tected construction. or may have
mill construction floors and all
skeleton construction buiidings must
set forth for these types.
In any skeleton construction
building. the steel girders and beams
must be riveted or bolted together
at their respective junction points,
and rivetsd or bolted to the columns.
Each successive column must be
rtveted or bolted to the one below II.
Where columns are OF cast iron,
they must have brackets or. vertical
Of the Orders and beams must be
bolted to these brackets or Tugs or
to both brackets and Jugs or must
be otherwise connected by wrought
iron or steel straps. passed across
manner az to rigidly connect the
beams and girders In the direction
Of their length. These straps must
be riveted or bolted to the fiange
or to the web Of the girders and
In all skeleton construction build
ings, the parts OF such steel con-
struction, contained In walls must
have these walls anchored to the
Sec. 81. EXPLANATION OF
TERMS. The terms "F1reproof Con-
struction." Protected Construction"
Mill Construction" Ordinary Com
struction" or Frame Construction"
when used. mean that the whole or
referred to. shall be constructed In
accordance with the conditions pre-
scrtbed for the respective classes OF
buildings a. set forth In this Ordi-
Sec. az. DIFFERENT TYPES IN
ONE BUILDING. When any build
fngs shall be erected with different
parts Of different types Of construc-
ton. IL shall be considered az q
building OF the lowest type. unies:
such different parts are separated
by regular fire walls and floors. and
all openings In these fire wallis and
floors are fully protected by standard
fre doors and windows.
shall be considered as dinerent
ou sse. g. 'e chA 81 i: e OF GfLp
MOS. For the purposes OF this
o o,s "a buiiding:. shall Be
Sec. a. CLASS / BUILDING.
This class shall cover all build
ings devoted to the sale. storage
or manufacture OF merchandise.
and any stables or garages. Ave
hundred 5000 square feet in area
or over. and shall include brew
cries, court houses. city halls,
county houses. markets and once
buildings.
Sec. Is. CLASS Q BUILDINGS.
This class shall cover all build
ings used as residences for three
(3) or more families, all hotels,
tenements. apartment houses and
all boarding houses or lodging
houses. occupied by twenty-five
(25) or more persons. and shall
include jails. hospitals. reforma-
tories. police stations. asylums.