Los Angeles herald., 1906-06-08
PuRLIo ApvsR1lsINo


shall be no permanent openings In the
form Of gratings Of any description In
BAsEMBNTs UNDER SIDEWALKS
Sec IS. In buildings where the space
under the sidewalks Is utilized, all ex-
terror, party or division walls shall be
extended across any sidewalk basement
against which they abut, but need not
exceed twelve inches in thickness unless
they act as retaining walls.
The owner or owners, agent OF agents,
or the person or persons having control
Of any building, shall build or cause TO be
built, when requested to do so by the
Board of Public Works, substantial
brick wall, for the protection of a hydrant
bend; said wall shall be not less than
eight inches thick, shall be built from the
bottom of the basement to the sidewalk, in
any portion of the basement that the
Board of Public Works may direct, and
shall be plastered on both sides with good
FURRBD WALLS
Sec. 80. Eurred masonry walls shall be
provided with fire stops at each floor and
at least one point intermediate between
When a chimney breast is furred out,
the space between the chimney and the
breast shall be so built that the passage
FLOOR AREA or BUILDINGS
Sec 90. In buildings of classes "A" "B"
and &C" If the distance between masonry
twenty-five feet, there shall be masonry
supporting walls, or gIrders supported as
required o1r by this 0rdinssnGe and nc no single
vision walls of the thickness specified in
this Ordinance shall exceed the following:
GiasS N ......'.''z0,VVV square rect
Class .C".......... 1850 square feet
Provided however that in case the fore-
going described buildings are completely
equipped with a system of automatic
sprnklers In a manner approved by the
Board of Fire Underwriters of the Pacific,
the area between such exterior, party or
uy Ila r,nou hn iDnrnn an Ia
per cent
No wall or part of wall in any existing
building, or in any building hereafter
erected, shall be removed to produce a
larger area than those named above
TIMBER DETAILS
Sec 91 The header beam carrying the
tail beams of floor, and supporting the
trimmer arch in front of a fireplace, shall
be not less than twenty inches from the
chimney breast. Every girder or truss
shall have bearing of not less than eight
inches, and Joists not less than four
inches, on masonry walls. All headers
and trimmers shall be of such size that
the strength of the floor shall be uniform,
Where joists or beams rest on masonry
walls the ends of such joists and beams
must be beveled at least three inches at
the ends resting on such walls.
BOILER ROOMS
Sec 90. All walls surrounding a boiler
room shall be of masonry or terra Gotta
for its full height, and the ceiling of the
metal lath. Every boiler room shall be
provided with a sump hole or blow-of
chamber, for the purpose of blowing Off
the steam from the boiler, independent OF
the sewer.
Any opening into boiler room from the
interior of the building shall have a door
or shutter constructed as specified in
Section lis of this Ordinance, arranged to
close automatically; and where oil is
burned every doorway shall have ma
sonry or terra Gotta sill rising not less
than eight inches from the floor. No
wood shall be used in the construction Of
the floor of any boiler room.
In buildings of class "B, p" 'C' and 3D.
there shall be a clear space above the
boiler of not less than five feet, and
above the breechng Of not less than two
shall be suspended not less than two
inches from the ceiling, over and one
foot beyond breeching.
Every boiler room shall be provided
with a standpipe not less than 11k inches
in diameter, with at least twenty-five feet
of hose not less than at least one and
one-half inches in diameter attached
DRYING ROOMS
Sec. 49, The floor under every drying
room in a laundry snail be ,,,IaG of masonry Hn,
shall be nearer to any partition con-
structed in whole or in part of wood
than three, feet. Steam pipes in such
rooms, shall not be nearer. to woodwork
than three inches, and shall be protected
from contact with in1ammable materials,
by wire netting. Hanging racks in drying
rooms shall be of metal.
SMOKE HOUSES
Sec. "a. Every smoke house shall be
constructed of freproof material through.
out, with all walls, floors and roofs of
masonry, and the walls shall be built up
at least three feet higher than the roof
An iron crate shall be placed three feet
above the floor, and the hanging rails
~ STEEL GIRDERS
Sec. 95. Wherever a steel girder is
used whose length exceeds twenty feet
and whose vertical depth exceeds twenty
four inches, the same shall be thoroughly
freproofed as herenbefcre provided for in
class "a"
FLOOR AND ROOF LOADS
Sec. 96. Floors shall be constructed to
carry not less than the following live load
per square foot with factor of safety of
four:
Warehouses, wholesale houses and
heavy factories, $50 lbs,
Stores, $50 lbs
Assembly halls, dancing halls, and cor
ridors of public buildings, including ho-
tells, 125 lbs.
tells and hospitals, 60 lbs.
Office buildings, rs lbs.
Roofs, 40 lbs.
FLOOR LIGHTS
Sec. 81. Floor lights, used for transmits
sion of light to floors below, shall be con-
structed of metal frames and bars or
plates; and II any glass therein measures
more than sixteen square inches, the glass
shall be provided with mesh of wire
either in the glass or under the same,
and the floor lights shall be OF the same
proportional strength as the floors in
which they are placed.
PROJECTIONS
Sec. 9S. No bay window or balcony shall
be allowed to project over any public
street or alley within the fire limits, except
that a balcony constructed of wrought
or cast iron, stone or terra Gotta may
project not more than three feet over
any street or alley, IL capable of sustain
ing load of two hundred pounds per
square foot; and outside of the fire limits
no bay. window or balcony shall project
more than three feet over any street or
alley, or be less than twelve feet above
the sidewalk; and no such projection
shall be allowed over any street or alley
less than thirty feet wide.
There shall be no projections at the base
of any building beyond the building line
into the street of more than twelve inches,
and no such projection, except FOR the
main entrance, and not less than ten feet
from the adjoining property.
STRUCTURES ABOVE ROOFS
Sec. 80. No structure built partly or
wholly upon or above the roof of any
building shall project above the highest
point of the roof more than seven feet,
and every outside wall of the same (eX-
n cent in Glass I'D" buildings) on any