The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1871-06-13

lev continued 2ia5 miles, the receiving reservoir at
This reservoir e bounded egy Eighty sixth street on the
a Vest sa ass on On h ne sa M es oo oa
and $50 feet wide on the outside angle Of the embankmen
Visions and IS little over i've miles from tho City HALL
e .ae se a ~ Ee P an
Fifth avenue to convey water sl76 miles 10 The distributing
'The location OF this is the Fifth avenue,
from the Cit, Hall Il /; 4u feet square the eonee Of the
exterior wall and contains an area Of az acres DIVIDED into
aboue The level Of the streets around IT,
huns rsser v is 4ss me to- to w Gam % n' u'''
alasonry CONDUIT in westcheser county. 81 $50
Receiving reservoir from end Of aqueduct to south
eastern eaiueut gate house 0l72
IRON pipes on bridge over Harlem valley Ss
Iron ppes Manhattan valley U793
Iron pipes between reservoirs. 2l7o
proper to add to the above the length Of the oroton
ton dam ana other work 10 obtain the water =.
vS m to reach the s ,m s 2. M e when
fore from point cro,on which has the requisite
gs 80 a hs ne sos s
mnsns the total length q the main conduit nearly l
Thc SOIL earth aud rock Of the country from The banks
character. line smaI section q marble, Of 10.
ranSns isr5nsS the Stat. Sing Sing passes
hundred fee, posy BY tunnep In marble 81 pretty fair
s@1a, saenf isS s 'ss % sy
some for no more marble was
G he nc pn reaSnsd Harlem Lar EN- rs
daon FOR The rock was found in the bed OF the
hi appears Harlem valley, :. the k,n:ssridgs road
III H Sss nj. M ns sssP Sas the
duality In many places affords excellent building stone
evn
S @ ssy ya: fSI
very small PROPORTION Of argiaceous earth Below the sur
most been found, and also hagpan to considerable
"a large proportion the open cutting nearly the
wsos tunnel cutting ha; been nrcuSa rock More
The general formation Of the country Is extremely regn
com,nencng the croton dam level Of forty ee.
the rate OF twenty-five feet to the mile the grade
ties VERY se regular ,aessnd could found
S sy c the e the s IN rs S eoana
s. q s s.m. sns ss 81
ssR ns ridges S a sn
lie s.Vl1S imis1 grS.orSn Of ne
The exception about mile river there
was no leading ridge to control or guide the location which
"The!s the line tunnels varying in length
feet The height Of the ridges above me
There are in wes.enss,er county ,wcny.hvs streams
crossing the line of the aqueduc tina. are from Twelve
eighty three below the top covering the aquedae The
IF Nh Tnsy S
a. s ws on no s Il.
top covering the acquedpct Be.dss those above
Ssss
Se The 1s. IF s s q
partcuar description WIN be given hereafter -.
'iss ,!E
valleys On The island valley. ceadnnIng
valley more @ &c notice ss q Man
% sf ssns 81 & % " y
oEsSRIrrr9s or rnh Plan Or WORK OF Aaus.
Duct AND ITs APprETFSASCEs.
AoUEDuoT 80
are as bottom am Inverted ach the eord
or span line s nine feet and 81, inches and the vered sine
above the spring line Of the inverted arch with ,ou.
inches on each side, which brings the Width ., the
top Of the siie walls seven Zee. ana I've inches
eirce having radius Of three fee. eight inches and half
perceived greatest interior
and greatest height eight feet i've inches and halt Ihe
roofing arch generally dispensed with but the bottom and
sites are formed with masonry similar 10 that above de
T6crc exception th. The frs, 4eie miles
extra height account of the bottom teng depressed TO
The plan, dimensions and character Of masonry as fol
eS;saya'0p bed Of concrete S a down
inches thick at the centre Of the inverted arch and
ape which 30" sprns n
The are a%o eet eight shs at the
spring line Of the inverted arch and two feet at the top
four inches thick The roofing arch also Of brick eight
ra6Dlss,ons, with BRICK facing four inches thick
sp.narss Of stone are carried up solid from the
tangent bed Of concrete is formed for
ON he Af a whs %s Of the ac
hs @ ss 'f nes na
nnaly Uniform course OF one onth OF an inch In thickness
up. course Of pa.terng also pn over the roofing
Sy
ee parts s o ns broken sSne in some cases fine pebbles
wss AL laid up hydraulic cement, ooaned mostly from
hs stone work was eompose sp" %'
semsn, TO three o clean sharp sand and for The brick
may be proper 10 remark that cargo OF cemen,
ground, before any allowed Th,s precau,on
ss ssa very Gsy eaSs on The Of the wo Is
1r broken up for nal or has
work there was much dlcny in getting workmcn to
Lay her stone and brick in thorough full bed Of mortal
Bn. rsd system o. ia.pec,ion reaairne all mreree
ing work Of grea, compactncss aud sodity.
The area Of cross section Of masonry in the Aqueduct
Sonere, e. l masonry: 81 s sss
stone ~ spauoFes Aoo
Brick IN arches and side facing ............. 1868
ro,a, square feet. ....... 4s.5ss
limited departure from the above area has been maze
where peculiar circumstances seemed to justly require IL
the most important in extent Is where the aqueduct passes
low grounds valleys and wall oil stone raised
to the level to the conduit and gene
rally for the depressed bottom Of the 99 miles at the upper
end of the aqueduct and In few other cases IN the s
contracts where the bottom arch and brick facing 70 eight
inches thick On the foundation walls the concrete masonry Is
laid foot thickness and three feet extra width the
base OF the side walls nj increased and the proportion
Of cemen, sand and mortar stone work is
one 70 two ana half In olner respects the masonry In
conduit similar foundation walls that In excavation.
The proportion OF line Of aquepuct masonry founda
ton walls vaeys TO that in excavation Ia about AZ one
to eight The of the Aquednct Ia covered with earth
10 n Sufficient depth to protect II from FROST
CULvFRTs
To paaa the streams that ntcrsec the line, and the land
floods there has been constructed under the aqneduci la
cuvers, whose aggregate length II 1859 feet The span
varies half i've feet. Those OF