, 1869-11-27
The New Subtcrranean Passage
Between the South and
North Divisions.
Detailed Description Of the
Plans of the LaSalle
Street Tunnel.
How and Of What Materials
it is to be Con-
structed.
The Herk to Cost About $500, 900,
and to be Finished In 1871.
Valuable and Interesting
Street Improvement
Statistics.
Statement Of the Condition Of the
Sewerage Fund.
Statement Of the Condition Of the
Sewerage Fund.


LAsAILE STREET TUNNEL
The contraction o. seeooa saoe, onae1 y, ,.e ,as
Esleseo 4sNe., .os lae keae.1, pa1p y. sas -,
ness aud 'ne convenience Of me paone, :. one ..
civ ~ ur~., nrn.evtner,s. TIN rrsi. or wash.
W. VI t.sas .ss". ~ 49, e,as.t.,.,, 49,
lnSson safee1 f:scr tunn~l ~aa An eaFerainen< Aou
t,s inception and completion were carried forward
a,rc*t entirely unAited by tae detailed results Of
other ana enaef ssmnE SotAs u .as ~ m!
other eonnff5- IN Eenesol, II WAS s1aua buccesA
en If sne 1at o. ~ Tsa5
ro.nts t,s trrlrr errors aod cetc.euces. Al have
~ e.., .,,e-nn+.,e ,snn,,r ns1 eh.nns,. ~ ~ ~
science Therefore tta ,hnt The eonasruct.oa otshe
t:nn+1 y, Iss,,.e street. connecting the worth
and South nvition', becomes nst.es of added
.r'eEess and importance, not only to Ca'csso, but
s.
~.e,.,. h,o-. ..r,,tnr tr,n rnAr. .1rus,
onaert.ttngs.
WORK BEGIN.
Work has acsI,ely commeIced In the river At
Jns,t,4 a,rrey she rnt7erdsr, far the north sac.
' Le stee'' .ae e.aet.oAu 4e4 suI ~ -
t'oo oeiuR noh uea1'S eoupae'eo 8nu AZ .oAness n
es ,ese1s9s sSe Msss Rsee 7 o aos sea
Gh.n'se asa A,sae j. asneao to e. nno@ ~ Ra,1 ne
& fse WeI 4 ns IL aas
bio, Sts;cco To thus has been added,
kince The award Of the contract
erailoo-kueh ~ The re-curb,nc OF Lasa,le street,
north and soaih, the removal and re-eettlug Of
excess ot ihe original pnce mat often aeItt1s"
will air., and tkat the to;Al expense Hlll reach
sfEH1e much lareer than taoss gtsea ahoye, NAY
eer.o1M % = supervision Of ar. :. Iryson, Eus,nssr
q shs bead q o M w. MeFS; no ao
trnnel
.so,,sa r, ,hr RoarG af pnsi,s wnt, for N,
Construction Of ipe Lasalle street tunnel provide
thst me t1nna, IA ~ ~ located wiz ~ centrr
itra ~ ma cent1e NJ SAM ssraef The ,nnfnern
a.,n,en ~ % - ~ eonmsnea yo,+S fsc+ nnrtr ~ tha
ne5,h l!se Of Rsado!rn street ana the 2 no5tne,p ss
rsr xfree, ~ oS~ ~ ~'~ eS4'0 -''S ~ -1 ''
h nvr,y w7or- p,rro
r+, .o,. - - ~ ti ~. - - ,an n t,ra,+ y,
ne notom o. ne snenfi o. ,r'r ur 3, ~ n
tn o ~ spc ~ t1'e5 s1it stnrn. Tne rrasea ie
1oa aus H. a1s of the annrSa.hes and 1hs erni1e
~ M tiSar ~ -. ,,nifnF ~ -, ~ ,n @
1Ie ~ ,e 90 rr,r w @ ~ LIE sser 1
1e apls"acness ,.es.or-xs
M. .a, - aGE mAss :. ,o,,,.. =, .,
ne nasf M ~ ~ ~. ,soa,s,
1rh besxeen r. osn II ~ Dc ~: II ZEE. S
uNa ut oD1eon ~ aae uppe.l alch eA0
tue 'op .! tns lnsGL ut Mlotn oi tuh passage
sr1et frn ~ is1ee n ~ ses 81 u 70 %
ses@tha 1as e.oe *ai!s s a1e .t so oe pelpen1icaN
tlom 1ae inFes1 up "a iocneat tnen an oases q
lpcnts. lnen PetPenalculAI L lnSaeas tuen
gtEoleuM 1eet 70 tae epsaa3l9H Hne-
tpe uAue+ pAhsASG NA3e ME ~ oe - 4tet Hios,
men losera 70 5e seatneaA me upnsx a1s9es 70
Be st1nce rom thEee centres: Tae pefpenaica,ar p
Th.s " PITT oe1Ween toe passsee NaJs nc 70 oe
1eet 1EeneS thick. 1he cart ah1tuent TO be
leel aat tae We1s aoutment feet ta!ck; me pot
to o. W " we PET 70 oe tees niet sne POI.
ton OF the eakS pier 70 o. Ieet tnlcE Tue hotto0
Of the Nes1 Abutnant 10 be 6 fert thick: the bet
ION Of the east &hutmert to be s feet thick and
feet hlnher thHn the bottom 1f the vest SHUT
Ut TIE lnzcEts are 10 be ~ Inches th1ck, aud The
uruer arches TO be e6H Inches th,cE The bacts Of
tbr aoutmtnts aIe to continue upwards perpcu-
deaiarly 10 three feet ADORE tho sprtuzing lne OF
tn. upper arches Then 1aRrin3 course Of ten
Ia les thick Ii 10 be fsld entirely Ac<oss fToM one
t,-e TO The o1her Of the tunnel The section Of
1hr Tunnel shave described Is TO extend entirely
cteR course orer the top OF the tunnel will cxtcCd
ior ! d1atance or $50 feet only, Including two and
hxlr fee. 10 be built uudcr each DOCK wall.
THE APPROACHES
EeE.rpipg at a point 151 feet each wsy from the
ctttre uae OF the river. the section OF the tunnel
chsnets 10 . single Opening OF psssage way,
ber1,,1inr here Win Eidth Or =. feet 1 tuches
and cfTtnt4hirr 10 4&dth of I9 1set tncbea. fiji
distance CT % feet or 10 ponts 1870 ieet on each
sso.r;. IN fect esrh Say from The eentrc line ri
fr.Urer fh, certrc GY fhe einr}e naassur Xe1
f.c+rs ~.rh q hnIuht rat xaen the fnr. nf fhn in
1sst ard ;hr Gnt,nm oT tbe ION arch o
q feet The tuTcrt To bc segment
n',ot,nerf and rtrr ~ bc :. fesI inches froad II
Ine hnItnm Of Isc lnvert, The footta0 courst
erore iLn tuyeyts to be feet s inches hlSh and
lei iEches brad. The Atulmcnt then to rist
pop+T srco 10 be .t!uck rom three centfes. win
tn,s! h+ieht asoye he trf1nutnr l,nes of ! fert
inrhes The thiclneas ol 1he Elmer arm u he =
inrhe. On tne sitIeA ann esL inches an The Tan
Tne spaud.els Of the uppcr arch to be backed iii
rHShlt nsrtonrE. ~ffS~ ~ ~ 0"S-o4 "'@'
A1~~*~