The Pleasantville press. (Pleasantville, N.J.) 1912-1929, 1927-07-05

stone of such size as to pass ain any
way through a two % inch ring, or
good. clean gravel may be used in the
same proportion as broken stone. The
cement and stone or gravel used shall
be measured and mixed dry All
concrete when in place shall be prop
erly rammed and allowed to set with
out being disturbed.
Section 10. When hollow concrete
building blocks are to be used for
buildings they shall be composed of
at least one part standard Portland
cement. and not to exceed five parts
of clean, coarse. sharp sand or gravel
Or mixture of at least one part of
Portland cement to five parts of crush
ed rock or other suitable aggregate
Blocks shall not he more than thirty
six inches in length not more than
ten inches in height and in width not
less than eight inches; blocks may
have hollow spaces, providing that not
more than one third OF each block is
hollow If the blocks used for foun-
dations for brick, cement or hollow
tile buildings have recessed ends. all
the butt joints shall be filled solid
with cement and sand mortar; if the
blocks have square ends, without re-
cess, they shall be set one quarter of
an inch apart and the joints filled
with cement grout. All concrete
blocks on the corners and angles Shall
be cast in one piece; mitering will not
De allowed. Blocks shall be at least
fifteen days old after casting before
being used in any building wall and
stand n tensile test of one hundred
and twelve pounds TO the square inch,
and twelve hundred pounds compress
sion test. With the exception of size.
this clause shall apply to cement
block
Section II. All excavation shall be,
properly guarded and protected so as,
to prevent the same from becoming
dangerous to life and limb. and shall
be sheet piled when necessary TO pre-
vent the earth from the adjoining
persons causing excavations to be
made. They shall also comply with
State Laws covering excavations.
Section u. Proper foundation walls
or piers and their footings of masonry
or other suitable material shall be
provided for the support of buildings.
All foundation walls shall be at least
four inches thicker than the base of
the first story next above them, if
built of brick or concrete, and eight
inches thicker if built of stone. Foun-
dation walls for frame dwellings,. not
over two and one-half stories in height
shall not be less than eight inches
thick; if of brick or cement block or
concrete or hollow tile. not less than
twelve inches thick; if of stone. ex-
cept that external walls extending
more than five feet below the surface.
shall he four inches thicker than
herein specified. All foundations shall
be sufficiently strong TO resist lateral
pressure. The bottom of foundations or
footings of external walls or piers
shall be at least three feet below the
ground surface and not exposed to
frost; except for open porches, private
garages and buildings of light frame
construction where there are TO be no
plastered walls. the foundations must
be started at least two feet below the
surface, provided that in all cases
foundations shall be at least one foot
below the natural grade. The footinss
or base course shall be Of stone or
concrete. or both, or stepped up brick
work. of sufficient thickness and area
to safely bear the weight TO he i'm
posed thereon. and supported on piles
where necessary. Foundations of oth-
er material than piles shall be SO pro-
portioned that the loads upon the soil
shall not exceed the limits for the
different kinds of soil than herein Civ
en- to wit: sand and loose gravel.
three and one-half (91s) tons per
square foot: dry hard clay. three and
one half GU tons per square foot.
For soils other than those above spec
the Building Inspector. No founda-
ton shall be laid on any soil contain
ing organic matter. If the footing or
base course be of concrete. the con-
crete shall not be less than ten inches
thick for eight inch walls. nor less
than twelve inches for twelve inch
walls, and not less than eight inches
wider than the bottom of wall resting
upon it. If stepped-up footings OF
brick are used the steps or olfsets, y
laid in single course, shall not exceed
one and one-half inches, or. II iald
in double course. then each shall not
exceed three inches. If cement blocks
are used for footings the yoids shah
be filed with cement grout composed
of one part Portland cement and not,
more than two parts clean. sharp sand
Section 10. Piers shall be bult OF
dimension stone. stone. concrete. hol-
low blocks. or good. hard brick. stone,
block or brick piers shall be laid IN
cement mortar Every exterior pier
shall be securely. anchored TO the
beams or Orders at the level OF each'
tier The height of any Isolated pier
shall not be greater than Yen times .,e
the least horizontal dimensions OF the
pier Every pier of less than nine
square feet in cross section which
sllpports any beam, girder arcn OF
column upon which a wall rests, or a
Intel spanning an opening over Ten
feet wide on which a wall rests, snail
have built into il at vertical Intervals
of not less than thirty inches. steel
plates e-sixteenths OF an inch thick
or stone bonders not less than four
inches thick Every steel plate or
stone shall have the same horizontal
dinaensions as the piers into which II
Is built, Every pier which supports a
column or girder shall have immedi-
atelv below the column or girder a
suitable cast iron or steel plate to dis
tribute the load over a sufficient area
to comply with the permissible stress
for the material supporting IL.
Section IA. The walls of all build