American telegraph. [volume] (Washington [D.C.]) 1851-1851, 1851-10-01

PROPOSALS win be received by the undersigned
until the 9th day Of October next for the extension
OF the Northern Market House, according to the following
SPECIFICATIONS
For the erection of the west wing to the Northern
Market House.
Dinensons-The length to be 72 feet from the centre
building to the outside of the front wall Sth street
the width to be 81 1912 feet in the clear of the walls
Foundations to be of best quality blue rock laid in
ment mortar to be two feet thick starting from trenches
dug out Is inches below the present surface of the ground
and brought up to level line inches below the top OF
the stone foundations of the present buildings the top
of stone to be neatly oned wherever exposed
yond the brckwork the outside and inside faces of the
stonework winch show above the paVements to be laid
to line and neatly pointed the top of the stone ounda
tons between the two doors Sh street to be covered
with stills of New York stone inches thick each sill to
be in piece; foundations for the support of step to
each door to be connected with the main WALL to project
Is inches, and brought up sufficiently high to receive
granite step inches thick.
Brick H6rk-The thickness of the walls style of finish
and character of the material to correspond with the
brckwork of the present buildng to commence eight
finish in height with east wing. The Sth street
front to be flushed with pediment corresponding with
the pitch of the present roof From the stone ounda-
tons the wndowslls the brick are to be laid in
mcnt mortar the remainder in mortar composed of best
quality woodburnt lme and sharp sand in due proper
TONS There to be the same number of windows and
doors in the west wing in the east wing The floor
against the walls to be filled up from the present surface
to inch of the pavement with oyster Shells glass
backsmiths cnders marble granite spauls at least
two feet broad the remainder of the grading to be OF
clay the whole to be soidy rammed and insured against
undue settlement the floor be paved with best quality
paving brick four inches of sharp sand and TO be
neatly fitted to the outside walls and to the present
ment; the floor to decline one foot.
CIT Some W0rk.-Sxteen window-sills, by inches,
and of length suited to the breadth of the window
frames to be ogranite two steps of granite feet long
Is inches wide and inches thick eight granite hinge
blocks is inches long, by l31 ainches
C1rpenterS Work and MatcrtdL-The roof to be con-
structed Of common rafcrs Of f. s. pine inches at the
bottom and inches at the top and inches thick placed
two feet from centres to be bued together at the
and notchednto the cengoists at the heel the ceiling
oiss to be good f. s. pine by 10 inches and If
sary may be in two lengths by using full lap and key
splice strong brace of 54 yellow pine sinches broad to
be nailed each side of the raer down to tho bottom
the celingost from which braces of 81 yellow pine
to be nailed extending the centre of the raers and
from the place of intersection of the braces with the ra
tcrs other perpendicular braces TO be nailed to the cell
ngost the sheathing to be of good sound cus to be
shngled in the best manner with the best quality cy-
press juniper Pinch shingles the wood cornce to be
extended round the west wing corresponding with the
east wing TO be of well seasoned white pne free from sap
and looso-knots; the wndowframes to be made of 2-
inch ahear yellow pine each frame TO have six wrought
iron bars 81 inches diameter and supported In the
by horizontal bar inch by u inch, through which
the bars TO pass the frames to be constructed
to admit Of sashcs in they should be desired hercaf
building to be hung with nch strap hinges and hooks
put with ryets each set of shutters be fastened
with middle slip shutterbols; the ncls to be of wood
like those over the present windows; the doors bc
the size those eth street. TO be Of aheart n
81 thick dressed, tongued and grooyed, and beaded
lined in the inside with dressed "A tongued and grooyed
and beaded white pine strongly nailed together with
wrought nails and hinged with two feet wrought iron
strap hinges put on with ryets or screw taps TO be as
cned Mt the top with spring and chains and suitable
swinging iron bars and staples The racks, hooks, and
side benches TO be made those in the cast wing
Iuting-Thc corpice frames, shutters, bars, racks,
and doors to be painted three coats Of pure lead and
boiled oil.
The top Of the horizontal cornce to be covered with tin
The contractor to have the earth well filled in to the out
side OF foundation walls and soidly rammed, and TO
place whatever of outside pavements may be removed
injured in the erection of the west wing He is also TO
have the entire work done in faithful and workmanlie
manner to the satisfaction Of the Mayor and the Com
mssioncrs appointed TO supernend the erection Of said
wing; and, upon the completion of the work. TO remove
from the premises all the oa arising from the work.
The brick work to be finished before the Goth
day of November next and the entire work to be com
peted by the first day Of January next
WALTER LEN0X, Mayor.
JOHN O. HARDNESS,
MILTON NJ WARD,
sep 2o-3t Commissioners.