Los Angeles daily herald., 1889-07-28
OFFICIAL.
In thickness additional to the thickness already
specified.

- huuAblOudl W INC tD1ckueSB already
specified.
INCREASE OF WALL DIMENSIONS. OPENINGS IN
PARTY WALLS.
SEC. 10. Whenever 1t is sought to increase
the height OF any building beyond the height
granted in the original permit, the thickness of
the walls thereof shall be increased in accord.
anee with the above table. Party walls shall
pS understood to be solid brick or stone walls.
Shoulu openings be required in said walls,
tney shall not exceed SIX (6) feet in width and
shall ave solid brick arches formed with th rec
rolIocks, and shall have wrought iron doors at
each SIDE OF the wall; shall have not more than
two openings in each story There shall be no
wood o. any other combustible material used
IN the frames or any part OF doors.
INTERIOR WALLS OF TILE.
SEC. 20. The partitions and cross walls for
the purpose of dividing the interior of build
ings into rooms. passages or stairways NAV be
built OF tile, provided the tile is not required to
sustain any OF the weight of the building,
floor, etc.
WALLS OF PUBLIC BUILDINGS, BUTTREssEs,
PIERS, ETC.
SEC. 81. The outer walls of churches,
the;sstters, iou9dries' @ @sch9ol houses and other
in no case be less in thickness than
specified in the above table for thickness
| of walls, and shall have, IN addition thereto,
such piers or buttresses as may be necessary in
the Judgment of the Superi ntendent of Build
ings. to make substantial structure.
AsHLAR FRONTS, CUT STONE FACINGs, ETC.
SEC. % Cut-stone facings of walls shall be
ness as that required where no cut stone is
used. In cases in which the cut stone is in
great measure self-supporting, four inches less
thickness of brick work backing may be used
kshlar fronts properly bonded to the brick
work may have backing same as self-support-
ing stone fronts or walls
PARTY, OUTSIDE AND ORIGINAL WALLS
SEC. 23. Any party wall now existing that
shall have been built conformably to the re-
quirements of any law regulating the construe
tion of such walls, and in force at the time of
such construction, If sound and in good con
dit1on, may be used in the construction of an
adjoining building; provided, however, that
no brick work shall be placed on such wall to
give additional height to the wall, unless the
thickness of the original wall in such story,
shall be at least equal to the thickness req uired
for party walls of same height for business
buildings. This shall apply in all cases in
which it is desired to give additional height to
any business building. Should the outside
walls of any business building be constructed
against the wall of sny old building, not a
party WALL the new wall shall be of the same
thickness as that required for the outside walls
OF such buildings.
ROOFS, DoMEs, ETC.
SEC. "a The domes of any business build
ings shall be made so as to entirely exclude
wood in their construction. All mansard or
otner roofs having a greater inclination than
% thali be rendered hre proof oy Goa ing the
plaster or cement Immediately under the in
combustible weather covering of such roofs.
Strips one inch square may be fastened to the
tile or metallic roofing, the cement or plaster to
be laid flush with the strips: All covering for
mansard or other roofs OF business buildings
shall be made entirely of incombustible mate.
rial.
SLATE COVERINGS OF ROOFS, SPIRES, ETC.
SEC 25. The slate coverings of roofs having
less inclination than So, or for roofing of
fixed directly to wood sheathing or lath pro.
vided that each course of stating shall be
pointed with cementin the joints as far as such
joints are to be covered by the succeeding
courses: also that bed of similar cement shall
be spread on the sheathing at tie upper end of
the slate, at leas. FIVE inches in width. made
flush with the course of slate already laid, and
forming bed for the succeeding course OF
slate. When slate roofs are secured to latb, the
entire under side of such slate roofing shall be
pointed with cement mortar in the usual, or
best manner
TWO STORY AND BASEMENT WALLS.
Sec. 26. Two story and basement walls of
dwelling houses may be structed of brick
work not less than twelve inches thick in base
second story shall not be less than eight inches
thick. All such dwellings erected in blocks of
two, or more buildings shall have division
walls, in basement and first story twelve inches
in thickness; second story division walls shall
be eight inches in thickness.
THREE STORY AND BASEMENT WALLS.
SEC. 27. Three story and basement dwelling
houses shall have walls, of basement not less
and second stories not less than twelve inches
in thickness; third story, not less than eight
inches in thickness. Such buildings erected
in blocks of two or more buildings shall have
the division walls in basement and first story
twelve inches in thickness; in second and
third stories eight inches in thickness.
MORE THAN THREE STORY AND BASEMENT WALLS
SEC. 80. All dwelling houses of more than
three stories and basement shall be construct
ed, If OF brick, with outside walls for
basement and first stories, not less than six
teen inches in thick ness; for the stories above
these, not less than twelve inches in thickness
Twelve sn inches hs in in thickness: sAAi Diyis,
ion walls less than sixteen inches Jhick
projecting four inches from the face of the wall
to receive the bearings of joists and rafters.
FRAME BUILDINGS
SEC. 20. The outer walls OF frame buildings
shall be formed with sGudding and covered
with sheathing on the outside. For buildings
of one story in height the studding shall not be
less than 2x3 inch scantling; for buildings of
two stories in height, the studding shall not be
nately placed; for buildings of three stories in
height, the studding shall not be less than 6x2
inch scantling; and for buildings of four stories
in height, the studding shall not be less than
6x3 inch scantling for height of two stories
and 6x2 inch scantling for third aud fourth
stories.
have double studs for lambs All studds shall
be set on the plates upon which the joists rest.
where 1t is practicable. The hoor Joists shall
rest upon outside walls, except where trimmed
out for stairs or other openings. Should it be
impracticable to rest the joists at each end on
the outside walls, it shall be required to have
the partition or girder upon which they may
rest of equal bearing strength with the out
side walls. All angles to be solid studded.
When brick walls are used as foundations for
frame buildings, they shall.not be less than
eight 49, inches in thickness for a one story
frame building; and for building OF not more
than three stories IN height, the foundation
walls shall not be less than twelve inches in
thickness; and for building OF FIVE stories in
height, the foundation walls shall not be less
than sixteen (16) inches in thickness
If there are no cross walls, there shall be
piers of not less than eight (S) inches projec-
tion by a face or width Of two feet and four
inches, built to strengthen the walls at dis
tances not to exceed sixteen (l6) feet apart.
Where chimney breasts are carried out, they
shall be considered as piers. 1t is to be under
stood that the main longitudinal or bearing
partitions are to be underpinned the same as
| the outside walls.
| DIMENSIONS WALLS OF BRICK DWELLINGS.
SEC. 80. In accordance with all foregoing
provisions, all walls for dwelling houses built
of brick or stone shall be of the thickness des-
ignated in the following table:
| IeIhls