The Detroit times., 1910-10-05

"a stairWaya havlnG =
II any Suiidine q ~
QuiItng three 90 - u116
sun!cient. II ali the Utn15v6J8
enclosed In Y1roprooR o6o(E
Fire Doors at each door 1oVo1 e
One ~ less stalsWey IN 60
II irs spms,snt cd ~ 1sl ~ 1Fs{ssf<
more stsirvays. x aIi ~ ~
tirsly os rirsproof Ns1sfjsl,
eu rsoS'd Lee "a, that n any ss1,1acX
more persons above the lrDe 06D13S
there shall be REQUIRED thFoo On
stairways, having oombl4
width Of It least nftssn as {611
and All stairs and thelr le1111
Msisrisis or Be s sneiSssS - =
Ftreproof shsfts with yxro D.
In store buildings hoV101 III.
more than TWENTY-FIVE h0nG
1850, s2uss: feet e grcSn1 ~
stories In height, and IN vkiSk q
number OF parsons ooouDyin8 q ~
noors above the 6rst stoBy De- ~
sxcesd twenty-five (3S)s enc eCDe
tinuous instde statrway at .1ooG&
s snrss % fest Wide Win - 80
Sec. :. NUMBER AND w1D11n
OF sTAIRWAYs IN CIsxG6
BUILDINGS. In all buiidiuG1 @
CLASS ,. hereafter erected o. ~,
sIsS sns svia f S..S So s sssssy "a
be at least two CO separate an1
continuous stairways, each at least
three (3D feet wide and there sh02f
De an increase Of six (s) inches -
Wsys cG sor .sch w'dtn Of tns sssss
san (1o0o) square feet Of gFoun1
moor area. or fractional part tho90-
or, over two thousand (10o0);
square feet. and also an ad0l&lonG1
.s srss' story % above an: s '1 sS:s
should the combined width o. ~
stairways exceed nine 90 feet
there shah be three (sl sfairways.
All stairways shall be 1t leaet'
feet six 90 inches II provt6in9
above. n '
For buildings Of Glass ! having
. ground door area OF more than
square feet, or over three az Gfor-
les and basement In height enc az.
or the stairways must be enclosed
In freproof shaft. For suck
buildings having . ground 1osr
t500ol square feet there must 8
Fire Doors at each fioor level ana
In all cases the openings from tho
corridors must be easily acceeniblo
to all parts OF the buildings.
z For all buildings Of Glass :. over
3 Ave CD stories in height. one az
stairway must have the stairs and
their landings built Of incombuot-
ible material and be enclosed ~ =
Fireproof Shaft, and for buildings
than nve thousand $4,000 SQUARE
feet the openings for the corridors
must have Fire Doors.
For Fireproof or Protected Com
struction buildings OF Glass 3,
sre MADE nns entir sn1 'os s
Construction or enclosed In . Fire
proof Shaft with Fire Doors. the
combined width Of the staiYwayo
may be decreased by three ca test
2 and where three ss) stairways sre
will be sufncient.
) All stairways In buildings of
Class must connect directly with
the Public Corridors. having direct
g access from each apartment and
from Il. TOP story Srs . q tie iS'i assss
Sec. 5. OUTSIDE STAIRS II
CLASS AND : BUILDINQa n
3 any buildings Of Class and Z are
landings. with access through
doors. and such stairs extend 70
grade OF street or lot. then one
(D less inside stairway than here
in called for will bs sufllcisnt. pro-
] least one inside stairway.
2 The widths Of the outside statre
must meet with the same require
ments - inside stairx.
II any building Of Class I be al
yeiH ana d F1. poJ part: and !ueS
8 building have at least two 81
Elevators, enclosed In brick wallis
0 and also have ample outside stairs
and landings with access through
) Ing and such stairs extend TO- srsdS
9 capss may be counted - stairs. on
may be omitted.
9 For buildings Of Glass : ana
Z oyer three CD stories In height.
shall be built entirely OF incom-
0 bustible material or OF Mil Con-
I struction ~ called for In Article
xxyI. Section 5. Of the Ordnance.
All such outside stairs shall hsve
s be less than three (O fest Wide
and the risers shall not excee6
I the width Of the run Of the
tread more than two CD inches.
9 The treads may be Of WOOD u On
Sec. I. NtMsER AND WIDTH
2 OF sTAIRWAYs IN OFFICE
3 BUILDINGS. In once Build1noo
over two CD stories In hetghtr not
8 Of Tfrsproof or Protected Coneeruo.
ss :nS A.: q .sSe as:s n :sus
3 feet, there shall be 81 least I've
. (i) separate stairway. each - ~
9 e least three re- g., - fest n vids :, -
'iss : :x once ss:s 81 mems sSsr.
3 inches 70 the Combined width q
8 the stairways.. for each additScnat
part thereof over ave ihouse1l
Sis SSSs i increase 't d 1 sIx ssS issSss
3 for each story. above the third.
should the combined width o. the
stairs exceed nine co. feet. there
shall b three , 60 st. y u|,, e,s,.
Z structlon.. whore all the stairs ana
3 their landings are built OF Ineom-
3 bustibie Material or In any Once
o Building whore all the stairs Ar
I enclosed In Fireproof shafts Wiz
) Win Be Suficisnt. provided there Ss
not less than two CD stairwaya
s each at least three 90 feet wide
8 in any such building.
or Protected Construct,on; ,snsrs