The sun. [volume] (New York [N.Y.]) 1833-1916, 1916-01-30
NEW YORK'S WATER SUPPLY
AMPLY PROVIDES CONSUMERS

tul IL
,,,Ion is increasing at the rate of 49,
600 persons yearly. These are the sta
.l.,ir. which have influenced the Board
O, Water supply IN increasing New
York. efficiency by the Catskill Water
eupp,y. commonly known as the "Aque-
duct lob" carrying the water into Staten
Island and Brooklyn under the rivers
and supply Ing New York at a safety
trst' depth below subways, sewers. soft
rock, 81
Jus, a. the elevated railroad had TO
be reconstructed without stopping "A
IN, Il. su the new water mains had TO be
laid deep. deep down, under the sub
WAY Ia insure safety TO the subway struc-
,ure itself. to avoid sewers and to secur
A .~uhs'auiial rock covering To withstand
bursting pressure of the water. In places
within the city limits the aqucduct.
known as the city tunnel. lies from go
~ 80 feet below street surface. To get
an adequate idea of this depth one may
,raru, the Wooiworth building turned
upside down and extending into the
ground instead Of shooting upward toe
ward the sky. The place where it reaches
this depth il between Delaney and
fsAt % HANA = NAiA'A HhNNA '"'AfNA ~ 49,
Al a depth of l.lli feet below sea 'e>el,
between a shaft at storm King Mountain
on the west bank and another shaft on
tho east side OF the river al Errakncck
Mountain. the Hudson River H. crossed
d, means Of u uuucl wholly In granite
rnra leo u.ivr - reach staten Island. as
described 10y the Board Of Water Sup
rly. Tie top ~ tn. west shaft Is closed
Nv a thick concrete plug. hut the east
shaft. which * the drainage and excess
shaft for the observation-disclosures
pressure tunnel a. we'll as Il waterway.
icduircd a removable cover. aud for Il,
steel N~,s',ngs and forgines Of unusual
Shape and size had To- be manufactured.
The drainage shaft is fourteen feet In
diameter inside the concrete inner lin
ing. which protects the fifteen foot di-
amotcr steel intcrlining. outside of which
concrete Is Sn'Idly packed against the
rock. About ten feet above sea level
this shaft Is covered with steel casting
nearly h~cmiSpherical in shape. The dome
rests ON a east steel ring called the curb.
r. hold the dome IN place against
tie hCul Il the water when the aqueduct
= boo service. which at this point will be
about 40 feet. there a." thirty six an
Choir bolts. each 80 inches IN diameter
aud - feet long. made Of nickel chrome
s''' IN'>' '"IN E' hr"uEh h"fed
noes 100 IN" Hang 81 IN" dome ana the
'lih ana throuEh steel sleeves L" u cast
t'e"i anchor ring N 'o"t iurth"r down
The object If these sectional steel sleeves
- p'l'ntri' to Insur" the Application of
the uucGorag" stresses AZ Il suitable
depth tn the rock. ~sccoudlrily TO permit
tlo removal uf the bolts If desired in
connection with the removal, Of the cover
or tYr Inspection, aud also for convent
cure aud necessary adjustments during
construction operations,
These are uuly a few Of the engineer
l"g t-t'>. aside from tllt of bringing the
water through tunnels. big enough to
r,.- am elevated train through IN many
r.t.,-. from a distance OF between 80
al t@5 miles away from New York.
GENERALLY describing the Cntskun water
t.''m. according To- he engineers re-
',r'. there are four drainage areas or
Watersheds. from which New York is
s1'# rlzod To d.aw q new supply ot
N,t, tp meet her ever increasing de-
r.t.U- ur population. ~~unurblr.,c~. Of
~.,o % - estimated there ll. 100 op
,w. utri daily 100 NcV Nprk. and N1at
ncHf ur called "a worldwide water sup
rt 49, ,t.'Iad away on steamboats,. ocean
s.,. ftIiruId trains. g.. fur which
'N.r, are mo- statistics. In tho aggregate
'I.,, watersheds have an area OF at
Sta.'s .eS E~upus. 80 square miles .
5 .uNtrH". 3li square miles RuudUut.
Ia quar-. miles Catskiil creek. 200
sUytr. mites. and several small rontigu-
oI- Areas From this q, j. estimated that
sl,. . series of exceptionally IL. y
Yeas -uO.ooO. goo gallons OF water daily
ca u, drawn throughout the year.