Newark post., 1913-05-14

| y
In the business section Of Main
street the cuts are made from TO
10 feet for the purpose of affording
business houses ample facilities for
draining deep cellars should the
necessity arise.
Continuing, the report says:
'The main sewer from the dispos-
al plant to east Chapel street is IL
inches in diameter and has suffi-
cient capacity to carry off the sew
age from a population five times
the present population Of Newark.
At Main and Chapel streets the
main sewer divides. A 10 inch
sewer running east on Chapel
street to Cleveland Avenue and
north on Cleveland Avenue to the
wall paper works, and 10 inch
sewer running west on Chapel
street to Delaware Avenue and in
Delaware Avenue 10 Elkton road
and Main street. All other sewers
are designed TO be 8inches in dia-
meter. "
"As each sewer is laid there is
to be inserted in it opposite to
every building, and opposite to va
cant lots, a Y branch to which the
present and future buildings may
be connected with the sewer with
out breaking into it. ."
Provision is made where the
depth of the sewer, except in Main
street, exceeds 7 feet, for r
branch so that when connection is
desired to be made with the sewers
the branch from the buildings will
not have to be dug more than 6
feet. Provisions have also been
made in the plans for automatic
flush tanks to be built at the dead
ends Of all sewers.
These are brick tanks contain
ing about 100 gallons of water, and
are provided with a siphon. The
tank is connected with the town S
water suppy by a 3-4 inch pipe.
| When the tank is full the water is
automatically discharged, through
the siphon flushing all matters
which have found Judgement. A
discharge Of once per day, it is esti-
mated, would be all the water nee
essary to keep the sewers in good
sanitary condition. Manholes for
inspection and ventilation of the
sewers are provided for.
In his report Mr.. Hatton states
that the disposal plant designed is
what is known as the sedimentation
and sprinkling filters, and is the
most modern type known today
and is in successful operation in a
number of places in the United
States The plant consists of two
story sedimentation tank known as
the Inhoff Tank; designed and pa
tented by DR.. Inhoff Of Germany.
The report gives lengthy descrip-
ton Of the tank, dosing chambers
and sprinkling filter. After going
through the process the sewage
flows to White Clay Creek. It is
then III a non-putresciable condi-
ton which means that the decomp-
0sition of the organic matter in the
sewage has been effected and no
further nuisance to the waters of
the creek may be expected. The
piping system, sludge bed and final
sedimentation tank are also de-
Scribed. The plant designed can
successfully treat the sewage from
a population Of 5000 and is ar
ranged to be enlarged without, in
any way, tearing down or inter
fering with any part of it. The cost
OF operating the plant will en-
brace the cost Of one mans time
going to the plant once a day for
one hour, and once in three or four
years changing the top foot or two
OF the six feet of crushed stones in
the filter and the disposing of the
sludge about three times a year,
which would require two men and
one team two days.
The most interesting part of the
report to the citizens in general is
that part dealing with the cost of
tn, work, which follows:
The system Of sewers as de-
signed embraces about 4.76 miles of
sewers, all Of which are to be COM
posed Of 8, 10 and 12 inch terra
Gotta pipe, except few feet where
the sewers are built under railroad
tracks, where cast iron pipe is to
be used. The approximate cost of
building the system Of sewers is
$37, 900, which includes the cost of
supervision and inspection. The
total cost of building the disposal
plant, including supervision and
(cOntinued on mage 4)