New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1885-04-25
INSPECTING the YEW AQUEDUCE
VISITED BY THE CoMSnssIoNERs-PRoGRE or The
WORK

VISITED BY THE COMMUNICATIONS or The
WORK.
The train which left the station of the New
York City and Railroad yesterday morning at
9lo carried the Aqueduct Commissioners and several
engineers who bound tour Of nsI lection
the line of the Aqueduct The party contained
Mayor Grace, Commissioner Squire, Controller Loew,
William Dowd G. Q. Baldwin, ex-Judge Spencer, Ben
iainin s. Church, chief engineer OF the Aqueduct;
Afonset Fiey executive engineer; Joseph ID. DAVIS,
consulting engineer and II. $. Craven engineer Of
sruction At the Croton Lake north station the party
eft the train Over the road which skirts the shore OF
Croton Lake they driven in carriages to Croton
Dam the point from which the resent Aqueduet starts
and where the opening OF the new Aqueduct Is
being excayated. The engineers explained that when
the new dam at Quaker Bridge built the water Of the
lake viii be raised thrty-four feet above its present
level and large additional area will be flooded. This
dana will the largest dam in tbe world. the water In
the being 100 feet above the level OF the river be-
daa so constructed that the new Aqao1ct can
draw its supply either the surface OF the lake.
The bottom from any intermediate point which
water may be found most III for The work at the
starting Point OF tho Aquednct as been begun by the
excavation OF an inclined shaft which has already nearly
reached the level Of the future Aqueduct. Between
Croton Lake and the Harlem River there twenty
four shafts az 90 average distance OF 5000 feet apart
As the distance between two shafts averages 5000 feet
mi The work carried in both directions the length
of each heading will be 5000 feet IL Is calculated that
month"; and the time allowed for the completion OF the
WORK is three years This allowance however, win
froion water complained Of Ia DR. Edson recent report
the engineers say that although the water OF every
inhabited region must TO a certain extent be coDtam-
nate by drainage the water supply OF EewYOrk Is
of the pilrest enjoyed by large city the pollution
Ia the same effect drop of whiskey In bucket OF
water-lot enough affect the human organism From
the mouth tunnel the Commissioners went TO IN
spect the various shafts IN order TIE first four shafts
the deepest, and when completed Will reach an
been sunR over a hundred feet One OF the engineers
has calculated that IN order TO complete the work within
three yearc plant OF the yalne OF 10000 10 required
at each shaft THIS plant consists OF hosting engine to
carry away the blasted rock engine TO compress the
which furnishes the motive power for the drills
pumping engine TO keep the shaft clear OF and
engine 10 supply fresh air 10 the workmen at the bottom
Of the shaft and IN the tunnel The Commissioners in
SPECIFIED seven OF the twenty-four shafts; and then
wearied by the days riding the mountain roads
tOBk the train at Tarryt0wn and returned NewYork
A. O'clock they reached the headqaarters OF the en-
wineers II the first divaIon. There a unch pre-
kared winch the fresh country air and the long ride
eve the party good appetite.