The Detroit times., 1911-02-21
eon.,rue,.a OF lneomeu.tlbl. ma

constructed OF 'neomeustieis ma
constructed inside the walls OF the
building provided such stairways
are surrounded by incombustible
masonry partitions not less than
four 90 Inches thick. separating
the same from the Auditorium.
each floor construction on support
Ing frames OF nreproof eonstruo-
tion.
Sec. IL. EXITS. The main exits
shall be Of SUFFICIENT width 20 az
Computed on the basis OF twenty
(2O) iches OF width I'm the clear 10
each one hundred l00) perma-
nent seats and an additional TWEEN
~ (fO) inches for a fractional part
o, each one hundred (iOo) such
seats. and no exit shall be less
than ave (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 or the
building opposite the stage and at
least equal I'm their aggregate
width OF opening TO the aggregate
OF the greatest widths or those
several aisles. the discharge from
There shall be separate and dis.
tinct exits from the Main Floor.
Balconies and Galleries opening
strce<, and the width OF said
Lobby. and OF the exits therefrom,
shall be at least equal TO the COM
bined width OF all stairs, cor
ridors and psssageways opening
All Balcony and Gallery exits
shall start with width or not
less than four (D feet at the up
permost gallery.
the basement or cellar.
Sec. IL. EMERGENCY EXITS
AND sTAIRWAYs. The sides OF
the Auditorium and adjoining q
emergency exits on each side Of
the ground floors.
An Emergency exit not less than
three ts) feet wide shall be pro-
vided on each side OF each Balcony
and Gallery opening onto an out
side platform not less than three
and one-half (3h) feet In width.
From each such Balcony and Gal.
lery exit there shall be provided
a separate and distinct stairway,
width which shall lead down TO
the ground Such stairs shall be
constructed with n rise OF not over
eight and one-half (sh) inches to
the step, and with tread OF not
less than nine co. inches In width.
Such stairways shall not land on
any public street or alley, but TX
one or more sides Of the building
borders on such street or alley the
building shall be set back the the
lot line. Such stairways shall be
OF ample strength and shall be pro-
vided with strong hand-rails, and
shall be subject to the approval OF
the Department Of buildings.
The aggregate width of such
emergency stairways shall not
be less than ten (1O inches
for every one hundred uoo) per-
sons served thereby. and no single
stairway shall be less than three
these stairs shall be lowered dur
Ing all performances.
Where all such stairways are In
an inner court, each run shall Do
covered by a light awning or Iron.
iery nearest the street, shall be
entirely separate from the exits
from the other floors. and shall
serve only the gallery. whenever
practicable and the size and height
or 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-
nsction with the Balcony stairway.
All such stairways, exits, etc.
shall be kept clear OF all obstruc-
tions OF every kind. including snow
Sec. IL. sTAIRwAYs. The stair
ways In all Theaters shall be con-
structed OF incombustible materials
as hereinbefore required In Article
xxi
Balconies and Galleries with q
seating capacity not to exceed
less than four H) separate and
distinct means OF exit for each, two
such exits at opposite sides OF the
Auditorium and two 1t the rear or
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-
ceed eight hundred $500 then such
provided for each as shall be re-
auired by the Department OF Build
ings.
shall not exceed seven and one
than ten and one-haif (10h)
inches tread. riser to riser. There
shall be no flights of stairs OF
more than fifteen (15) treads bo-
tween landings or less than three
t3) treads between landings.
Every landing shall be not less
in width than four 90 feet from
riser to riser When straight stars
turn directly on themselves.
landing OF the full width OF both
Nights. without any steps shall be
provided. The outer line OF land
In ha hn 90 NJ
not less than two CD feet to avoid
square angles. Stairs running at
an angle shall have a 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 t2) 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
troduced, and the width of the
main flight shall be at least equal
TO the aggregate width OF the side
The width of all stairs shall be
measured in the clear between the
hand rails OF the hand rail and the
wall.
Winding, spiral or circular stairs
are hereby prohibited.
STAIRS. Ali enclosed stairways
shall have on both sides, strong
hand rails. firmly secured to the
wall. about three (3) inches dis
tant therefrom ana not more than
three (0 feet hisN above the
stairs.
stairways open on one side with
box or open rail on the open
side. shall have q 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
n ho