The Detroit times. [volume] (Detroit, Mich.) 1903-1920, 1911-02-20

WIN
Such a roof covering will be con-
sidered ''incombustible" under the
provisions OF this Ordinance.
See 3. SLATE. TILE or METAL
ROOFS For buildings within the
Fire Limits. roofs OF greater slope
than four ca inches 20 the foot
shall be covered with slate. metal.
nFe clay, cement tile or with an in
combustible prepared ready roof
ing.
Sec. 4. ROOF HOUSES. Bulk
heads. Tankhouses. Elevator en-
closures or Roof houses covering
machinery or other appliances re-
quired for the proper operation OF
the building. may be constructed
on the roofs OF buildings and pro-
teeting above the limit OF the
heights OF buildings. as given In
this Ordinance. provided such
Bulkhead. Roof houses, etc. shall
not be used for any business pur-
pose or for storage.
No Elevator enclosure or Roof
house shall be more than ifteen
(16) feet high above the roof
Roof houses may be erected for
Photographic and Scientific Obser-
walton purposes. but no such Roof
House shall have a greater floor
area than fifteen C5) per cent OF
the entire roof area. nor have a
greater height than nine (9) feet
Sec. s. sCUTTLEs AND BULK
HEADS. All buildings over two
stories In height having "nat"
roofs or with pitch OF not more
than four ca inches to the foot.
Escapes, shall have Scuttles or
Bulkheads opening to the roofs.
and not located over stairways
or elevators. All Scuttles shall
have a clear opening or not less
than twenty-four t24) inches by
fhirfW (90l .ha
ladders leading thereto. Bulk
heads shall be not less than thirty
(8O) inches wide in clear and shall
have stationary stairs. not less
than twenty-four CAD inches wide.
with guard hand-rails.
Scuttles or Bulkheads shall be
placed over Railways. n the upper
story be divided into rooms. The
lid 10 any scuttle or the door to
any bulkhead, shall not be fas-
tened with any lock requiring key
on the inside. nt
ROOF Roc, HOUSES. Sr All BuiShs. Of
Elevator Enclosures. and Roof
houses, IL on buildings OF Regular
or MIL Construction. may be built
or wood but with all exposed sur
races covered with metal
Roof Structures on buildings of
Fireproof or Protected Construc-
ton. must be OF Fireproof Con-
structton.
All doors and door frames In
ton. shall be OF metal or covered
with metal
All Scuttie frames and covers IL
or wood shall be covered with
metal.
Water Tanks on roofs may be OF
wood, but Bulkheads used as en-
closures for tanks must be covered
with metal
Sec Z. DOORS FROM ROOF
STRUCTURES. All exits from
Roof Houses. Bulkheads and Scut-
ties shall open outward.
Sec. 8. SKYLIGHTS Any Sky
light on the roof OF any buildir-
OF Glass /. and S. and any sky
light on the roof or any building OF
Glass 2 and over two CD stories
In height. shall have sides, sashes
and frames constructed OF metal
or Of wood, metal clad on all exter-
Tor surfaces and all such Skylights
shall have wire glass unless order
ed otherwise in this Ordinance.
Sec; 9. DoRMERs; All Dormers
OF buildings within the Fire Limits.
shall have the top. and sides COW
cred with slate. tile or metal.
po 5sfi 10 AND s cuPosAs OF TS cLAss.
ES I. 2 and 8 All Spires. Towers.
Domes and Cupolas on or above
the roofs of buildings of Class l..
2 or 8, more than sixty (6O feet
high above the sidewalk or grade
level shall be Of Mill, Protected or
Ffreproof Construction. II such
Spires, Towers, Domes or Cupolas
are. built more than one hundred
sidewalk, to their topmost part.
they shall be built entirely OF Fire
proof Construction. 4.s
Sec. IL SPIRES. TOWERS.
DOMES AND CUPOLAS Spires.
Towers. Domes and Cupolas OF
erected as part OF a building, pro-
vided. such building be SO located
that the said Spire. Tower. Dome
or Cupola, be nowhere nearer than
lot on which II stands. street or
alley lines excepted.
Such non Fireproof Spires, Towers
Domes and Cupolas may be main
tanned only while this intervening
and kept as part OF the grounds
or the owners OF such building.
Such Spire. Tower. Dome or
Cupola, shall be covered on the
outside with a Fireproof covering
Sec IL. FLOOR OF ROOF
TANKS. Any tank built to con-
tain over seven hundred and nfty
$3.50 gallons OF water or other
nul0. ana CATTleu On the uoOt VI
the roof OF any building must be
supported on masonry walls or
piers or on steel beams, girders or
columns. resting on masonry walls
or piers.
Every such tank must have a
discharge pipe at least four CD
inches IN diameter connected TO the
tank at or near the bottom and
and so arranged with valves that
the contents may be readily dis
L.. IN n m
cessity, unless such tank In to sup
ply automatic sprinklers.
Sec. 1s STAGING ON ROOFS.
No staging or stand shall be oon-
structed on a roof unless by
special permit from the Depart
Sec H. SNOW GUARDS. Any
building over two CD stories or
over twenty-five t25) feet In heighs.
having a roof OF greater p,tcn
and situated within ten u0) feet
OF any Court or street or Alley
line shall have metal snow brekes
or Guards. unless the pro)ecune
Gutter or Cornice should FORM an
adequate snow Guard.
ARTICLE XVI.
Fire shutters.
Section 1. BUILDINGS REQUIk. ,
ING. All buildings OF classes l.
and Z OF more than two stories In
height n not OF fire proof construc.
ton. shall have all window ana
door openings above the nrst story,
when they open upon any street or
alley or any private way. less than
% feet in width. or open above the
roof OF an adjoining building, or
within IL IT. OF other window or
door openings equipped with
standard Fire Shutters. Said smut.
ter shall be considered standard
one CONSTRUCTED as follows ,,,,So
All Fire shutters shall be made or
iron or OF wood covered with tin
or other metal. and constructed and
OF the thickness according 10 the
Standard specifications OF the Ma
tIonaI Board Of Fire Underwriters
OF Sept, !. 1910. An hardware sh ,ha