The Detroit times. [volume] (Detroit, Mich.) 1903-1920, 1911-02-20
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building provided such stairways
are surrounded by incombustiple
masonry partitions not less than
four 90 inches thick. separating
the same from the Auditorium.
Such partitions shall be carried a.
each floor construction on support
ing frames OF frsproof construc-
tion.
Sec. 10. EXITS. The main exits
shall be OF sufficient width TO ac-
commodate the entire audience
computed on the basis or twenty
each one hundred l0O perma-
nent seats and an additional TWEEN
~ (i0) inches for fractional part
OF each one hundred uOo) such
seats. and no exit shall be less
than fve (5) feet wide In The clear
except as hereinafter provided Tor
emergency exits.
The Main exits from the Audi
torium shall be at the emo OF ths
building opposite the stage and AT
least equal I'm their aggregats
width OF opening 10 the aggregate
OF the greatest widths or those
several aisles. the discharge from
which Is taken care OF by sueh
exits.
There shall be separate and dis
tinct exits from the Main Floor.
Balconies and Galleries opening
into a common Lobby or into the
stree>. and the width or SAID
Lobby, and OF the exits therefron'
shall be at least equal 10 the com
ridors and passageways opening
All Balcony and Gallery exits
shall start with a width or not
less than four ca feet at the up
permost gallery.
comics shall not communicate with
the basement or cellar.
See Ia EMERGENCY EXITS
AND STAIRWAYS The sides or
the Auditorium and adjoining
court or street shall have TWO w
emergency exits on each siue Oh
the ground floors.
An Emergency exit not less than
three CD feet wide shall be pro-
yided on each side OF each balcony
and Gallery opening onto an OUT
side platform not less than three
and one-haif (sh) feet In widtn.
From each such Balcony and Gai.
a separate and distinct stairway,
not less than three (S feet In
width which shall lead down 10
the ground. Such stairs shali De
constructed with a rise OF not over
eight and one-half Sh) inches 10
the step, and with tread OF NOT
less than nine (s) inches In width.
such stairways shall not land on
any public street or alley. but IL
one or more sides OF the building
borders on such street or alley the
building shall be set BACK the
width or such stairways from the
lot line. Such stairways shall Dc
OF ample strength and SHAH De pr PA
vided with strong hand-rails, aho
shall be subject 10 the approval or
the Department OF buildings.
The aggregate width CT such
emergency stairways shall not
be less than ten (1o inches
for every one hundred (1oo) per-
sons served thereby. and no single
90 feet wide II CONFERENCE.-THE.
these stairs shall be lowered dur
Ing all performances.
Where all such stairways are In
an Inner court, each run snail Do
covered by q light awning or iron.
The stairway exits from the gal
lery nearest the street SHAH De
from the other floors. and shall
serve only the gallery. whenever
practicable and the size and height
OF the Auditorium Will permit.
there shall be at least two cd
additional exits from the middle
portion OF the seating space In the
Gallery to the corridor below. with
the exits from the same into the
Gallery stairway and without con-
nection with the Balcony stairway.
All such stairways, exits, etc..
shall be kept clear OF all obstruc-
lions OF every kind. including snow
Sec. Is. sTAIRwAYs. The stair
ways In all Theaters shall be con-
structed OF incombustible materials
as hereinbefore required In Article
XXI.
Balconies and Galleries with a
seating capacity not to exceed
eight hundred (s00) shall have not
less than four (D separate and
distinct means OF exit for each. two
such exits at opposite sides or the
Auditorium and two at the rear OF
each Balcony and Gallery. The
means OF exit for each at the sides
of the Auditorium may be those as
hereinbefore required for Emer-
gency Exits.
When the seating capacity OF
any Balcony or Gallery shall ex-
coed eight hundred 5000 then such
additional means of exit shall be
provided for each as shall be re-
CURED by the Department OF Build
ings.
The cut of the stair-stringers
shall not exceed seven and one.
half Gh) inches rise. nor be less
than ten and one-half G0h)
inches tread. riser to riser. Thor.
more than fifteen G5) treads be-
tween landings or less than throe
CD treads between landings.
Every landing shall be not less
In width than four (D feet frem
riser to riser When straight stars
turn directly on themselves, q
landing OF the full width OF both
Nights. without any steps shall be
provided. The outer line OF land
not less than two ca feet to avoid
square angles. stairs running at
an angle shall have n proper land
ing without winders introduced at
the turn. No door shall open I'M
mediately upon a flight OF stairs.
but a landing at least two t) feet
wider than the width OF the door
opening. shall be provided between
such stairs and such doors. When
two side flights connect with one
main Night no winders shall be in
troduced. and the width of the
main flight shall be at least equal
70 the aggregate width OF the side
= The width OF all stairs shall be
measured In the clear between the
hand rails or the hand rail and the
wall.
Winding. spiral or circular stair.
are hereby prohibited.
Sec. Is. HAND RAILS ON
STAIRS. ALI enclosed stairways
shall have on both sides. strong
hand rails. firmly secured to the
wall. about three CD inches dis
tant therefrom ana not more than
three CD feet higN above the
stairs.
stairways open on one side with
box or open rail- on the open
side. shall have a hand rail on the
closed side as hereinbefore pro-
vided for enclosed stairways.
All stairways. eight (S feet and
over In width shall be provided
with a central rail OF metal or
hard wood. not less than two ta)
inches I'm diameter, placed at q
height OF not more than three (3)
feet above the center OF the treads,
supported on wrought metal or
bresS standards of sufiicient
strength securely bolted to the