Imperial Valley press., 1917-01-05

Four to twelve water closets, or AZ
small fixtures. into a 2A-inch vent.
Twenty-Five water closets. or 100
small fixtures, into 3-inch vent.
Fifty water closets, or 200 small
fixtures, into 4-inch vent.
Note-The terms Branch Vents"
as here applied, shall be understood
to mean all that vent pipe located
between the fixtures served and the
point where the vent joins and inter-
sects with the main vertical vent.
IL. 1a-inch vents may be carried
to the height of so feet. Above 80
| feet, it shall be 2 inches to the height
of 100 feet. Two-inch vents may run
to a height of 100 feet; above 100
feet, 21s inches to $50 feet.
II. 2R-inch vents may be run for
height of $50 feet; when required
longer, then increased to 3-inch from
| there on.
Adjacent Building With No Opening.
| IL. In case of a building situated
next to a higher building, if there
are no openings in the wall of the
higher building, the vents in the low
er building need not be more than two
feet above the fire wall of the lower
building. Vent pipes must be of gall
!!vanized wrought iron or cast iron.
| No Flues for Sewer Ventilation.
! IA. No brick, sheet metal or earth
enware flue shall be used as a sewer
ventilation, neither shall any chin
ney flue be used for this purpose.
SECTION V.
J.. When two or more closets of sy-
phonic action only discharge immedi-
ately into horizontal branch and
thence into a vertical soil line car
ried through the roof as vent, the
Inspector of Plumbing may authorize
the omission of the separate tran
vents and the substitution therefor of
an extension Of the branch line not
less than three inches or more than
four inches in diameter, to be recon-
lnected to the main vent or carried
through the roof Independently, as he
may determine.
When two or more urinals Of sv-
nhonic action onlv discharge inmedi-
lately into a three-inch horizontal
branch and thence into vertical soil
line carried through the roof as a
vent, the Inspector of Plumbing may
authorize the omission of the separ-
ate trap vents and the substitution
therefor of an extension of the branch
line not less than three inches, to be
reconnected to the main vent or car
ried through the roof independently
las he may determine.
| 2. A house or building shall be de-
filmed as an architectural structure
lowered with one roof, and enclosing
walls, porches, or the continuation Of
4o
ing shall be considered as a portion
of the main structure.
3. Cleanouts-Heavv brass male
thread cleanouts of at least one
eighth of an inch in thickness in the
cover. the same to have a solid cast
lsquare head, shall be placed at thc
lend of each horizontal line of drair
lpipe. In no case shall the cleanouj
provided for the main horizontal line
Of cast iron drain pipe be of diam
eter lass than four inches. In al
other drains the cleanouts shall bt
of the same size as the pipes they
tserve.
On waste pipe runs of four feet OF
less, unless necessary to use a bends
cleanouts, will not be required.
| Cleanouts shall be placed at thi
base of each stack, soil or waste pine
In all changes in direction of Il, II
or 1-8 pitch in horizontal soil OF
waste pipe, cleanout is necessary.
1 4. Lead Pipe Connection-Whe
Head pipe is used, it must be inter
isected at the same angles as giver
by "Y's," 1-16 or Is bends. Nothing
Lighter than e lead pipe shall be
fused.
i 5. Wiped Joints-Joints in lead
waste or soil pipes must in all cases
he wiped. Joints between lead and
iron pines must be made by means
lof cast brass soldering nipple or extra
heavy brass ferrule the full size OF
iron pipe, and in all cases be wiped in
a workmanlike manner. Flange wiped
joints only on floor or partition plates
or on wall.
6. Rain Water LEADERSHIP rain wa
tier from main roof leaders shall be
lconnected with the sewer, but must
be led under the sidewalk to the gut
tier.
7. Fixtures to Be Trapped-Every
water closet, urinal, sink, basin, bath
set of wash-trays or other plumbinc
fixtures shall be separately and ef-
lfectively trapped and ventilated
The traps must be placed as near to
the fixtures as possible, and the vent
in no case more than two feet from
the seal of the fixture tran, of an
other, except as mentioned for wash
Trays.
g. Surface Drainage-No opening
shall be provided in the soil or waste
of any building for the purpose
of surface drainage
9. Rubber Coupling-No rubber
couplings or elbows will be allowed
whatever. No soldering unions o,