The Jersey City news. (Jersey City [N.J.]) 1889-1906, 1896-09-10

Forl Gram lntake..- 30 100
The above shows a drainage area and
proportionate storage for seven inches Of
2s4s square miles. The requirements at
eooVSa cations per day per square mile
% 410 square miles.
As an a~lteraaatiye proposition this COM
pany VIII m place Of an equivalent area Of
Tash the water from the Adj tunnel. hav-
ing an outlet on the Cooper-Lord Estate
1anas, near the Port Dram Intake. THIS
SotQfely pure, clear, cold spring water,
noW1ng seven and one-half million gallons
OF water per day.
Conduit Lines-The conduats will. with
Lne exception OF the masonry tunnels
l~erSinatfer mentioned. be of standard
quailty OF medium steel, having an ulti-
msaSe strength OF 5000 to 1900 pounds
cent in eight inches, and an elastic limit
Of 20 Per cent. OF ultimate strength.
inc pipe Will be of such as
~ ~ pe SUBJECTED under the head inn
pnsso. 70 a stress over one-half of the
The pipe VIII be constructed fullv IN
- {h5 PEST and latest standard for riv-
etsu pipe, and viii be coated inside and
out With asphalfurn, at a tempersatura Of
$50 degrees Farenheft.
Eacn length viii be tested to full work
ing pressure before laying, and the pioe
when laid, viii be tested ia Convenient
sections Gates viii be placed every,
one-laif mile. and four manholes placed
osAer appurtenaaces necessary to bring
Inc work up to the highest Standard a
e9 Ra51fa ao5 VII be crowded
mar o. the total supply eventually re-
qulred Of nifty million gallons, twenty-five
Inlillons shall be taken from Port Dram
lhtaAe, ana the balance from Beach Glen,
and otaer sources Of Beach Glen. The
CONDUIT viii be laid at once from Pert
gram, through Irle Rockaway Valley 10
Beacn Glen, With a capacity of Is mill.en
gaiions; from Beach Glen TO Jersey civ
gallons.
From the Port Dram Intake the water
VII re carried across the valley of Glen
roma OF Burnt Meadow Brook about
LUZ feet by a 4S-inch steel pipe, carried
~ piers OF masonry. and then conducted
INTO a sS-ineh circular conduit with a
graae OF about 5 feet per mile. passing
N a short tunnel through the hill north
81 lover, thence BY a D-inch pipe to
wlthin two miles OF Beach Glen, thence
oy tWo lnhes OF SS-inch TO Beach Glen
connection; thence by a 5t-ineh pipe with a
capac1ty of Is million gallons per dav
70 the head Of the falls at Boonton. The
SIZE OF pipe will then be changed TO As
en- a hydraulic gradient of 11.s7 feet ne7.
miie 70 Watching Mountain, passing
tnrough the mountain by a tunnel one
mile long with a capacity of so million
49, tGC SPI4tiSlUE line 10 the
raof and with a grade Of 1.6S per nile.
The tunnel will be lined with brick
From the east portal of the tunnel i a.
1nen PIPE, with hydraulic gradient Of
Reservoir. There .t~wo-thirds Of the suonIy
VIII be drawn off by reducing valves and
turned into present ,36-inch conduits. 10
pc delivered at a head of 127 feet, the
hydraulic gradient of n.% per mile nv
a S5-lnch pipe having a capacity Of 16 %
million gallons, or one-third of so million
gall 2n g a delivery at 20 elevation
the old 36-inch conduits are utilized a.
a saving to the city. The enpa will
repair and maintain the same during taa
life OF the contract. To increase to 50
VIII be run from Beach Glen to Boonton.
ana a 33-inch pipe from Boonton to the
tunnel at same by hydraulic grade. As
me .orlglnai pipe From the east portal
grade OF rs feet per mile will deliver
10 milton galloRs at BelIevile. at a head
OF approximately 1870 feet. is 1-3 million
gallons the balance Of delivery required
TO make up the two-thir1s of so million
% be delivered at 127 feet head at High
Service, will be drawn from the origindl
High Service pipe by redueers to a pres
sure Of 1870 feet head and the combined
city BY the present 3s-inch conduits. The
old 2o-inch conduit can be used "a d~aw
from Belleyille reservoir.
increase Of storage and watershed for
so million supply.
All the lands and necessary
TO Increase Sthe capacity to 50 million cal
IONS per day viii be secured at once. The
proposed reservoirs and watersheds for
slcn increase are as follows. and are
shown IN green On maps annexed
DISCRETIONARY V~alley-Lying north Of
nam river ana two miles northwest OF
81 800 &c
miles. s
Present valley at elevation Of about 5o
feet above tide. The surface of proposed
lsselyoT VIII approximate to elevation
of go feet above tide.
the area of proposed reservoir will an
proximate to 25e acres and the storage
capacity upwards of 1.2O0 million gallons
Lne average depth of water will be about
Is feet.
to the west Of Roekaway Valley. and at
i3V teet higher elevation; its overflow will
be into Roekaway Valley Lake.
miles.
The present pond is at an elevation of
making q lake area of about us acres and
a storage capacity above present level Of
upwards of 500 million gallons. The aver
age depth OF water will be over 20 feet.
Inird-Baker Reservoir and Gorge Res
erVolr-Ihese two reservoirs viii be sit
uated on the Burnt Meadow Brook and
VIII store the water from the watershed
that brook below Denmark Lake. The
tributary less Denmark Lake
and Green Pond Brook diverted TO Beach
miles.
Bakers reservoir will be situated on the
Baker property north of the main road.
oetWeen Dover and Mount Pleasant mine