New-York tribune., 1870-04-20
The UNION DEPOT.

The GREAT STRUCTURE OF IRON, GLASS AND
MASONRY TO BE ERECTED ON FOURTH-AVE.
The specifications for the iron work to be
sed in the erection Of the carhouse for the Union Pas
r,nger Depot to be built by the NewYoTk and Harlem
-airoad Company between FOrty-second and Forty
thSts., FOurth-aye., and the street west Of the
tier in accordance with drawings made by Mr.. I. c.
ltkhout Cvl Engineer Of the Company, issuedi in
is city the 1th Of March. The plans and drawings
re photographed and sent to Europe, with view Of
aning estimates; but the transatlantic ironworkers
auted too much money for the work. The plans were
then submitted 10 American architects in iron
gBd on Saturday the Architectural Iron Works,
,Jot of Fourteenth-st, in this city, received
he contract at a sum said to approximate s1,0OoOOO.
The foundation Of this immense structure, TO be the
largest Of the kind this continent Is well under way
In fact nearly completed The contract calls for the
completion of the entire structure within eight months
rom its date. II not completed within the time spee-
ed he contractor is TO forfeit and have deducted from
he contract price $500 day for every day OVER and If
completed within the time specified, the contractor is to
receive in addition to the contract price, the Of 500
each day the work completed and accepted by
the engineer.
Itis impossible TO give description which will ade-
quatey convey idea OF the magnitude of this building
The weight Of iron TO be used will be over
100000 pounds. 1t will require 100000 square
feet Of glass in the roof alone, and $1,000 square
feet Of galvanized corrugated iron to cover the roof
The roof the car-hOuse viii extend over an area
limited south and west by the office buildings, east by
the Fourth-ave. and north by line 30 feet inches
south Of Forty yfth-st The entire length of the roof
Will be 652 feet and 1t will be 100 feet inches in width
between the walls and supported by 80 arched trusses
placed 20 feet inches apart These great arches VIII be
upon the foundation whose upper face is feet below
the surface Of the ground rising 10 an elevation OF "a
feet from the sngng line to the extrados OF the arch
The carhOuse is TO be lighted through three skyghts
oxteu he puti
center double pitched and two single ones on each side
OF the center There will be Of ventators
running entire length Of the roof faced up with sta
tonsry shcetron STATS the south end the segmenta
portion the arch above the brick wall will be faced
with castiron trimmings and plate-glass.
The north end will be closed with beautiful castiron
front, highly ornamented. The east side, along the
FOurthave., will be finished with castrOn pasters act
ing castings set in front of each truss These pasters
TO have and caps, supporting main cornce
along the 'front.' and crowned by castiron balustrade
line of balconies will along the west side and across
the south end connecting with the offices in the second
story The trusses placed in heavy castron Shoes
ca In number. To permit free expansion and contraction
Of the trusses, without interference with the side walls
crossed by thom there will be placed cat iron boxes
castings perforated by series of cores and fitted together
by of bars and angles in such manner as TO In
sulate entirely the work from the trusses.
The rafers will consist Of yeineh deck beams secured
10 the top chord by double angle iron studs, 81 by 81
inches, and sened by diagonal braces OF same size,
ryeted together and fastened the chord by means Of
bent lap plates onehah inch thick and rveed to the
former When completed the upper part Of the roof on
the inside viii present perfect network OF ties, braces
and other appliances to insure Its stability The vent-
latOr the ridge Of the central syght viii be two feet
wide In the clear and will consist OF Of cast
iron gratngs. The trussed girders will also be con-
sructed TO perform the duty Of ventlators The main
Portions of the roof not covered with glass will be COW
I0la
lean gusge, Tapped into each other at least four inches
The inside ornamentaton will consist of pannels bor-
dred with beads and scroll angle pieces screwed TO the
plate IRON The inner chord Of each truss will be
an east shell quarternch thick having the shape
OF column ornamented with spiral bands, base pinth,
and asraga cast iron cornices will be run on both sides
OF the roof beneath the cutters and secured to ornamen
tai brackets.
A line OF railing viii run along the platform on the
SOUTH and with hosting gates leading TO the inner plat
Srmf These ,rangs will be three feet six inches high
1ne IafBe ana mighty ornamental lamp posts will DE
placed Ia such parts OF the earhouse may hereafter
heavy cast iron corniee will be run across the seq
mental portion Of the front the outh end and heavy
pedne1t suSoanSg % the eorniee parallel to the truss
nodillions The segmenta space between the cornice
VIII & De Iaeea up with ornamental cast iSn
Along the Fourthaye on the exterior, will be placed
inches beyond the wa be two feet % two prGeS1 S Sds s1
ano extend up to the cornice, which, with feze and
VIII run the entire length OF the carhOuse,
whole to DO snrnounted with line Of balustrade the
posts o. which are TO be placed over and In line with
each plaster The doors and windows will cast
ron trimmings all ornamented, the windows TO glazed
with rough halfinch glass The whole Of the north
'front.' win be Of castron. the width 10 be- 203 feet
inches, and raised ll2 fset inches in extreme hight
he windows and doors OF the fret story will have rolling
Iho ends Of the structure will no oecued for offices on
@ srst no0r while the ground floor will sci apart for
eket onces, passengers rooms baggage lockers resta
rants, news stands, &c.
rennsyyana iron, Of the best welded quality will be
e1 Tor plates, Hat square bars Round bars aud rods
piaees 10 be O Ulster iron ryets and bOlts Of char
al hOn ~hret non, best welded and Irhnod Penusyi-
'suA Cdst 40. -..ASd IN tho iOiiyala. tivns,