Los Angeles herald., 1906-06-08
PUBLIC ADVERTISING

center OF the front Of the building to
the. top of the highest point of the
building.
For buildings on street corner the
measurements shall be taken from the
curb level opposite the center OF either
front
When the ground upon which tho
walls OF a structure arc built IS above
the street level the height Of tho build
ing may he measured from the average
level OF the ground adjacent to the
CLASSES OF BUILDINGS IN THE
FIRE LIMITS
Sec ID. No building shall be erected
within tho fire limits Of the city OF Los
Angeles unless said building shall con-
form tn all respects to the requirements
Of the .0rdinance for a building, Of
CO. as the same are hereina fter de-
scribed, provided. however, that i'm the
portion of the fire limits OF the City OF
Los Angeles lying easterly of Alameda
street. buildings to be used for black
smith shops, warehouses, stables or
barns may be erected and constructed
Of corrugated iron upon wood frame;
said buildings so erected and con-
specified and for no other purpose.
CLASS "A" BUILDINGS, DEFINITION
AND LIMIT OF HEIGHT
proof or skeleton" construction shall
include every building wherein all ex-
ternal and internal loads or strains are
transmitted to the foundation by a
skeleton or framework of steel or iron,
the beams and girders of which are
riveted or bolted respectively to each
other at their respective juncture
points, or by reinforced concrete. except
that buildings in this class not exceed
ing seven stories in height may have
masonry exterior walls with piers not
less than six feet wide of the thickness
required for buildings of Class b" All
beams. girdcrs and other steel and iron
work shall be thoroughly anchored and
tied to masonry. No building of Glass
"a shall eTSesf offTER II RSiEht WEhIs $50 feet
Sec. II. All outer walls of every
building of Glass "A" shall be con-
structed OF either brick, stone or con-
crete. Every column in an outer wall
of any such building shall have not
less than four and one-half inches of
brick stone, tile or concrete beyond it's
outer flanges. Where facing of gran
lite or marble. or other stone which is
subject to dismtegration by heat is
used, every beam and column shall be
protected independently of such facing
with not less than two inches Of tire-
proof material In no case shall a
granite or marble column be used to
carry a wall exceeding one story in
height. Walls of exterior light courts
shall be as required for outer walls.
PARTY WALLS
Sec. 1S Party walls in buildings of
Glass "A shall be four inches greater
in thickness than provided in this ordi-
Glass "A"
FILLER WALLS
Sec. 10. Enclosure walls of Glass
"a buildings, built in between iron or
steel columns and supported wholly by
iron or steel girders in each story above
the first. shall be not less than twelve
inches thick above the curb level, or
tier of beams nearest the curb level and
thence downward the thickness of such
walls shall increase in the ratio of four
inches for every fourteen feet or part
thereof.
CURTAIN WALLS
Sec. 20. Curtain walls built in be-
tween piers or iron or steel columns,
and not supported on steel or iron grid
crs, shall not be less than twelve inches
thick for sixty feet of the uppermost
height thereof, or to the tier of beams
nearest to that height, and they shall
be increased four inches for every addi-
tier of beams nearest to that height,
and they shall not be used as bearing
walls
FIREPRooFING OF STRUCTURAL
IRON AND STEEL
Sec. 81. Every building of Glass "A"
Shall be constructed of non-infam-
mable material throughout. and all in
terror construction metal therein, with
the exception of the framing for eleva-
tors and staircases, shall be protected
from rust and fire by brick. terra Gotta
or concrete. as follows: All structural
steel or iron, before being fireproofed,
shall, unless incased in concrete, be
cleaned of dirt and scale. and be coated
with an efficient preservative. All iron
and steel columns, girders and beams,
including lugs and brackets to same.
used in construction of any freproof
building or supporting any ffreproof
floors or masonry walls, shall be en-
tirely covered with two inches of well
burned brick or tile. laid in cement
mortar or concrete, with no space next
to metal.
The extreme outer edges of lugs
brackets. and similar supporting metal
may project to within seven eighths of
an inch of the surface of the fire.
proohng.
The Shells and webbs of hollow tile
not be less than three-fourths inch
thick. and said blocks shall be thor
oughly tied and anchored together
EXTERIOR STRUCTURAL PARTS
of the framework of buildings of Glass
"a" shall be thoroughly protected by
concrete. tile, brick or sandstone, and
shall be built in solid to the metal; but
wall into the building 1t shall be fire.
proofed as aforesaid for interior
columns.
of Class "A shall be constructed of
freproof materials. either concrete,
brick arches or tile, the upper surface
of which may be covered with cement,
other fire-resisting composition-ro roofing
SKYLIGHTS
Sec "a. All skylights in buildings of
Glass "A shall be of corrugated. pris-
matte or wire glass not less than one
fourth inch thick, set in a metallic
frame. Every skylight not glazed with
wire glass shall be protected both
above and below by wire screen sup
ported on an iron frame at a distance
of not less than four or more than six
inches from the glass. Every such
screen shall be made of galvanized
wire not smaller than No. ., with not
larger than one and one-quarter inch
mesh, and shall have galvanized wire
rim of three eighths inch diameter at
each outer edge and all the wires
forming the mesh shall be turned over
said rim.
CONSTRUCTION OF FLOORS
Sec. %. Every floor in any building
of Class "A " shall be- constructed of
terra Gotta or brick arches in which
proper provision shall be made by metal
rods against the spreading of the
beams. or of reinforced terra Gotta or
of reinforced concrete, the flanges of
the beams or girders shall be protected
by at least one inch of concrete or tile.
The top Of every arch i'm floor construc-
tion shall be filled with concrete to the
level of the beam tops; If any wood
sleepers are used they shall be filled
between with concrete or other non