The Detroit times., 1910-12-07
common COUNCIL


stories In heighD shall be less !
than two tg feet six go inches
$ steps is prohibited In all Public
y Buildings.
D All Public Stairways with more
! than eighteen NS risers 10
} intermediate level landing and
! there shall not be less than three
CD risers between any two CD
. landings or between any floor level
!, and a landing,
, shall be no change In the dimen-
Y sions OF the treads and the risers
! between any two CD floors. and
all stairways shall have at least
seven 60 feet perpendicular clear
The length or the platforms or
landings shall not be less than
the width OF the stairs. For en-
; closed stairways. when doors arc
, the length OF the platforms or
landings Is TO be Increased TO AL
: low an extra width OF the space
or two CD treads outside the door. |
Sec. 10. HAND RAILS. Stair
ways over three CD risers high
5 shall have substantial ratings on
the outside OF all stairs. landings.
: platforms and we'll holes and all
= stairways In Public or Semi-pub-
lie Buildings. shall have In addi-
ton wall hand-rails.
, The hand rails OF all stairs shall |
be made OF solid wood. marble or
metal. For stairs built OF Incom.
2 bustibis Material. the hand rail-
may be OF solid wood but " must
have underneath II and attached.
: continuous rail OF steel or iron
not less than one and one-quar-
Ter 90 inches by one-qusFtsr
Sec. II. STAIRS AND LAD
DERs TO sCUTTLEs All build
ings having a scuttle In tie roof. |
shall have a ladder or stairway
, Leading thereto from the floor be- |
low and such ladder shall be sta
tionary or hung TO the under side
OF the roof
Sec. IS HALLS AND EN-
than Private Residences. the
width OF the door openings ut the |
, street or alley levels. shall not be
less than the width OF the inside |
stairways leading thereto. and |,
where occupants OF the first fioor |
use the outside doorways at tho |
foot OF the stairs. such doorways |
must be Increased In width at the !
every one hundred 900 persons
or fractional part thereof
The exterior doors OF the build |
ings OF Glass and and OF Man |
ufacturing buildings OF Class l.
shall open out. and shall not be
locked during business hours or
inss the use Of flush bolts on
double ,.nd;n doors SSIs T. prShibited The
/ be fastened with IT" face bolts
operated at top and bottom by one |
handle at convenient height from
floor.
Doors shall not open inward at
the foot OF any stairway OF the
above mentioned buildings
In al buildings the widths OF
halls. clear OF hand rails. shall |
, not be less than the width OF
All Entrance Halls shall lead
directly from the street or alley |
I or from court connected with q |
street or alley.
oughly. lighted by means OF win
dows In exterior walls.
Sec 10. CHANGING AND CON
sTRUCTING STAIRS. 1t shall be
to close up or to obstruct the stair
thereto in any occupied building
Changes In position and con-
struction OF any stairway In Public
or Semi Public buildings. shall be
made only with the approval OF
the Department OF Buildings.
Sec; 20. STAIRWAY ENCLOs-
UHES Where .tairways are re-
CURED to be enclosed such enclos-
ures shall include such portion Of
the stair hall, necessary for the |
proper return OF the floor landings |
The enclosures shall be made OF
materials TO conform to the Type |
OF Building In which they are
placed or as called for In this ar !
ticle; and when made OF incom-
bustible materials. they shall be
carried on Independent foundations
or upon the structural framing OF
the building
stairway enclosures to be conrid-
I cred Ffreproof must be built OF
brick or concrete not less than
reinforced concrete not less than |
four ca inches thick or metal lath |
and cement plaster on steel studs
not less than one and three-Quar-
tiers uA) inches thick
In Nom Fireproof Buildings OF
Class !, the enclosure OF stairways
may be stud partitions. plastered
on both sides. on metal lath. or !
may be or seasoned wood not less !
than one and three-quarters (1&)
inches thick. tongued and grooved |
and made tight
ARTICLE XIII.
Fire Escapes.
DURING FIRE ESCAPES Every
building over two t2) stories In |
hsighth In which two (2) or more |
persons congregate for any pur-
pose or live. work or sleep. ex-
~.
shall have one % or more Fire |
Escapes. extending from the Sec |
ond (2) story floor level to the |
roof. located on the outer walls |
partment OF Buildings shall APP
prove
Fire Escapes will not be required
In residences occupied by not
not more than fftesn ii5) per-
sons.
II the number OF persons occupy
Ing any building. above the first |
5000. there shall be at least two |
~(2) Fire Escapes to such building !
III the number OF persons exceed |
six hundred (sool there shall be |
II more than nine hundred (sOO) |
persons the number OF Fire Es-
capes shall be increased as re-
CURED BY the Department OF Build |
, All buildings of Glasses 4 and
. must be equipped with one GJ or
more Fire Escapes.
Section 2. LOCATION All Fire
Escapes shall be located when pos |
sible on a. dead wall or on piers |
between windows
Fire Escapes must be easily ac-
cessible from the inside OF the |
and opening from Halls and Cor
ridors.
Al each floor the platform must |
at least extend entirely across two |
, CD connecting window openings |
. or one a. door opening and nine
co inches beyond. |
The location OF Fire Escapes |
shall at all times be subject to the |
approval OF the department OF |
3 Buildings which may require addi- |
tional Fire Escapes, should such be |
D considered by the Department
necessary for the safety % the oc- |
- k,tn.
Sec. 3. MATERIAL AND FORM |
Outside Fire Escapes shall be |
made OF wrought iron or steel and I,
must have platforms at every floor