The Detroit times. [volume] (Detroit, Mich.) 1903-1920, 1911-02-21

s-ssory buiidihe 400 "a. n. iio'
7-story building $50 50. n. 1870"
s-story building $50 SO. n. l6'0''
s-stopy building 1850 SO. n. 200
io-story building 1900 50. H. 80.
on one Cd side TO a street alley or
public park, may be decreased In
size one-third u-sD OF the above
dimensions.
(2nd) story level or at any moor
lsvsl OF a building. not containing
living rooms or sleeping rooms be-
low such court.
All courts shall be open to the
height.
sec. .. CoURTwAY FROM IN.
NBR COURT. Every Inner court
shall have an open courtway on tne
ground or lower level, not less thnn
three CD feet In width and six le)
feet. six (6) inches In height. con-
Meeting Il TO a street. alley or yard.
This courtway may be closed Win
a gate or door or open CONSTRUCTION,
but eighty Cs0) per cent OF the aera
OF courtway shall be -kept-o open 10
Sec. 10. PAVING OF INNER
COURTS AND COURTWAYS. the
bottom OF all courtways at grace lev
els or lower shall be paved with con.
concrete at or about the neares.
required by the provisions of Sec
ton 4 OF this Article. for open spaces
adjoining the rear OF Tenements.
inner courts shall be properly and
sufficiently drained at the oottom
through bel h tra Ise a Roar I'd Of Health
and by the Board OF Public WORKS.
Sec. IL. ENCLOSED VENTlLAT-
ING sHAFTs-slzE. shafts en-
tireiy Enclosed may be used TO Ilgnhe
Rooms Halls and Pantries. but
Halls and Pantries shall not venu-
late into the same shaft with Bath
Rooms and Water Closets
Every Enclosed shaft shall nave
at least sixteen IO sdusthe s i nse ~
two (a) stories and an increase OF
~ LEAST eight (S) square feet TOT
each additional story
The least dimension shall never
he less than three CD feet with
an increase OF one % foot TOT
In determining the size OF the
shaft. only those stories ventilat-
ing into the Shaft need be consid-
cred. - ,.> ,y.,.r
late into a Shaft from one CD
story, the area shall be increased
proportionately.
Sec. IL SHAFTS TO BE OPEN At
TOP. All such ventilating Shafts
shall be left entirely open at the
top, or covered with sa.n SxnEI
Openings equal 10 the full size OF
the Shaft. and raised at all points
nj least twelve I2) inches above
the adjoining roof ~
Proper provision shall be made
20 drain them at the bottom and
10 protect the adjoining rooms
from dampness therefrom.
There shall be at the bottom or
every Shaft. a door giving sufiicient
access to such Shaft. TO enable IL
TO be properly cleaned.
Gee. Is. FRESH AIR INTAKES
To SHAFTS Every lnclosed smart
shall be provided with an open
horizontal intake or air duct az
the Street, Alley. Yard. or Open
Court. and such air duct or intake
shail not be less than four 60
FEET I'm total area. and to be so
arranged as to be easily nnr S SleaRed;
AND SHAFTS. All walls of Inner
Courts and yentilating Shafts,
shall be constructed OF Incombusti-
BILE Materials.
For ventilaung shafts, steel
Of cement plaster will be consid-
cred incombustible.
Sec. 10. SHAFTS SHALL BE APP
PROVED. The construction OF all
Shafts shall be subject 10 the ap-
provsi of the Department of Build
in ssc "a. CONSTRUCTION AND d.
+, vIDING WALLS AND FLOORS.
No Tenement over four CD stories
built OF Ordinary" Construction.
No tenement over six ts) stories
and n basement high, shall De
built OF other than Fireproof Con-
struction, Type 1. ,, q,
ali Tenements over two CD stories
and a basement high, and having
two CD or more separate apart
ments on one ID level with Hall
var, these S,w,a sep srom each other and
from public Halls by a Brics ,,o or
"Division" Walls shall be OF thick,
ness as called for I'm Article NvI
of this Ordinance (Masonry waits
For the purposes of this Section.
two CD adjoining apartments,
each containing less than three
CD rooms and on the same moor
level. may be considered as an
In ali Tenements. more than
three (s) stories and a basement
in height. there shall be Fire Pro-
lection for the floors.
consist OF two CD thicknesses OF
flooring on the moor beams with
one and one-half Qh pounds TO
the yard Asbestos Paper. between
the two CD thicknesses OF floor
In all Tenements. more than two
(2) stories and a basement In
height, the basement or cellar
ceiling shall be plastered with
cement plaster on metal lath; or
incombustible material.
Outside OF the Fire Limits. Tene-
ments may be erected OF wood, not
over three ca stories high, nor ex-
ceeding twenty-four hundred Co.
area. Dividing Walls OF all such
Frame Tenements and the walls
around stairs shall be of masonry
at least eight CD inches thick. or
ether nre PROOF materiai at ieast
ing. from the foundation to the
No Frame Tenement. shall ever
exceed the height allowed for
other ssc. Frame 111 d ssIlSiSss IN FIRE
WALLS. All openings In any Di-
viding Fire Wall between Apart
ments, shall have at such open
ings. Standard Fire Doors and
Frames. or metal Frames and sash
Sec is. HEIGHT OF STORIES.
me Basement story OF Tene-
ment. containing Apartments for
Janitor. or otherwise. shall not be
less than eight (s) feet high In
the clear. All other stories OF
Tenements shall not be less
than nine 90 feet high In
the clear.
In an Attic Story. at least one
half 90 OF each room. shall be
eight (S) feet six (6) inches high
In the clear.
Orders may project below the
ceilings, but in no case shall such
Girders finish more than six 60