New-York tribune., 1873-02-25

one foot ax nche. wide at the top snrmouDed ny iron
ratings At Fiftetb Fifty first, Fifty-fourth ana Fity
nth sts iron foot bridges will be built the approaches
M which viii be y double staIrways at each end BE-
tween Ffyaeeund and Fiftythirdsts there VIII oe an
iron foot and road bridge. From Fftysixt TO sixty
seyenth.sts there will be beam tunnel 80 named
from the fact that the roof is supported by IRON
beams which span the trackbeds IL will be dl-
yided into three compartments, the middle one
% feet in width TO contain the tracks Oh ths
present road, and narrow one on each sde LOT 'no
inward and downward tracks of the Rapid transit h'
way The retaining walls will be seven feet timex at te
bottom and three the top and the center walls WIN De
three feet thick Tho beams spanning the track oeus
will he covered with brick arches, over whch iour
inches of concrete will be placed and he covered WIN
threepy roofing felt and cement At least three ieet o
earth will be placed the whole Tho surface aoo'o
the tunnel will laid between the streets III gras
enclosed by iron fences, and in the center o eaeh
there will be "A circular opening Tor VentiItlou'
avenue will thus present a similar apnvtt IL -, W., " W
ave. between ThrtYsccOnd and fOrll -hIS ,n to
From Sxtv-seventh Seventy iirssts tnere VIII nc
tunnel the roof of which will be sustained Dy aIches on
hardburned brick resting on stone aouIVmts; aou' th
Whole viii he covered and finished externally IN tne
same the preceding section. pcn" t d
In all respects similar To the one descrlp,u WI, et
from Seventyirst Seventyninthst. From SeNSnH S
nintlst TO Ninety rstst brick tunnel VIII ng pu Wv;
Here tunnel begins ana sde tuhhI5, ~ III, ~
through parallel TO the one now IN use With @ @ ~
main substantially as il Is PASSAGES w rS NC sui SIDE tnnnes
the dividing walls at regular Intervals ihI ,een the
viii be lined with brick, and the spaces between tue
brick the rock VIII be nilcu win ..
| From Niuety-ffth 10 One-hundrcd ana tDIIteeuthst
an arched Stone yaduct Will bc constructed OF soma ma
| sonrv Al one Onehundrcd-and-twefth ana Obe-huh1reu-
andthrteenthsts. there will bc IRON fair0ad pIuges
From This p0int 10 Harlem River there WIZ ne an olvn
cutting as at the lower end of the ne WIN STONE N
and IRON ratings. over this there VIII 10 hon i Ioai
bridges nj ne-undred-and-sCFenleenln,
andnineeenth, and One-hundfed-and-twehty- -nthSts'
and foot bridges ut ana ohe-
| hundred and / lhrty irst-sts go .,t.,.. 80, 4,
Depots are provided for. with recessed landihgs ana
iron stairways leading from the street lever 10 lhe pat
forms AT Fifiy-nnth, Seventysecond ilghiy & Oe
tundTed-and.tenth, and MISUNDERSTANDING
sis No progress has been made WIN the Pi1iOset }
| rapid transit road below the Grand CenIal lDepOI
inch he officers are willing make public III Is re-
ported that Mr. Buckhout has found engineering dl-
entities IN The way which be overcome ony at cost
greatly exceeding the original estimates lls may OF
may NOT be the casc but IL evident tnht no neue
relief is 10 be given by Mr.. Vanderbilt 10 tle over
crowded travel Of lower New-fOrk, anu tia' e tue
upkeu track has reference 10 through rather tah OcI
travel The depots are too far apart 10 hVIu Piorr
! Accommodation TO the public there being III one IN
stance an interval of rs blocks There should De autoai
stations at siXtysXth Seventy ninth Nlhe
ghteenth and neutrality-suspicious.
| ty-second-sis. The work wall be Nsuape one % "hen
finished but the demands OF the people WI" NOT Ue HeI
| without something more than II promises