Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1853-09-08

CLASS No. 22.-rontinucd.
10Th eoRrse. 90 headers, feet long, 2 by
feet square;
1ih course. 20 headers s feet inches LONG,
by 2 feet square:
l2lh course. 40 headers, feet 4 inches
long, by 2 feet square:
l3a course. DO headers, feet long, 2 by 2
feet square:
1Ah course. 40 headers, I feet inches long,
by feet squsre:
18Th course. 30 headers, feet 4 inches long,
by feet square;
2O,0l3 cubic feet Per cubic foot.
I'd Bill, so Headers.
This bill gives the size and number Of headers re
quired for the wsrk above the water; the face end
Of which is to be dressed as first class rusticsted
rcck-work, having batter Of one twelfth.
16th course. 40 headers, 6 feet 10 inches on
top, feet o inches on bot
tom, 2 by . feet:
1Ih course. 10 headers, 6 feet inches on
top, feet 10 inches on bot
tom, by feet:
1900 cubic feet per cubic foot
The dressing on the first bill of headers, from the
1st to the 18th course included, will DO follows
viz:
The top surface OF each stone is to he dressed to
even and true bed for feet inches inward from
the face end. and for the width of Is inches at one
foot in from the back end
The bottom bed of each stone ia 70 be truly and
evenly dressed parallel to the top bed for feet in
ward frorn'Ie late of each header and for q width
of IS inches at foot inward from the back end.
The two sidejoints to be truly and evesly
dressed, ut rghtangles to the top and bottom beds
for feet inward from the face end Of each header
and for Is inches wide ut foot in from the back
epds-that Is at foot inward from the back end Of
each header, belt, of the width of Is inches the
top, the bottom, and the two sides, is to be truly
and evenly dressed, st right-angles to earh other
and in the same lines planes as the front beds
and joints
draft of inch is to he cut round each end Of the
stone, showing full corners and square edges, which
must continue of full dimensions to the gu.ge
within.
The parts Of the stone not specified to be dressed
as above may he left rough it was split from the
quarry, being Of full dimensions but no allowance
will be made for any additional size in those parts
The dressing on the second bill of headers. from
the 10th and Eth coursds. The face end Of each
header is to have clear Graft, 2 inches wide cut
ronndit, wish batter Of l inch to the foot rise.
The back end is to be square to the beds with n
draft of inch run round it.
The top tho b0ttom ard the two sides of the 10th
course of headers to be dressed for 70 inches in.
ward from the face end and for Is inches wide at
bill.
The top of the 18th course is to be dressed from
the face end to within foot of the back end of each
header; the bottom and the two sides are to be
dressed for 26 inches inward from the face end and
for Is inches wide at foot inward from the back
end
The dressing on the beds and joints of these
headers will he of the quality Of second ciass
/
Sd Bill 1900 Srstchers.
Front and back stretches ard counter.
fort stone, chiefly fer work below the
surface of the water
$40 front stretchers, feet long, feet
wide, and feet high;
400 back stretchers, feet long, feet
high, and is inches wide ON the beds.
500 counterfort stone, 6 feet 6 inches
long, feet high, and is inches wide
the beds.
on the top and bottom beds, ard two
ends the counterfort stone, also, on
the top and bottom beds and on one
end. The face and the back, or The
two sides Of all the stone named, are to
have a fair draft, of inch wide run
round them, to show full corners
and square edges; but the surface
within the draft lines may be left rough
as 1t was split from the quarry.
The back stretchers and the counterfort
stone are but Is inches wide on the
! beds, while the rise Of the course IL ~
inches. is The 1S-inch beds. and the
rnd or ends Of these stone, that arc 10
| hare the surface-d'e.sinS, and the "a
inch SIDE Lsfl rough.
81, $50 cubic feet, per cubic foot
| 4h Eli, so Front !Sretca,rs
First class rusticated rock-work, batter
ing inch on the face to the foot rise.
| These SO stretchers are feet long. 2 feet
high, II inches wide the top bed,
and 26 inches wide on the bottom bed
! The face Of each stone is to he full, with
clean, fne-cut draft, 2 inches wide
running round it, showing clean, oven
| joints, with full corners and square
edges, and bstteIing one twelfth.
! The back is to have a draft Of one inch
run hound 1t square to the beds, with
full corners and square edges
1861 cubic feet, per cubic foot
| 372 lineal feet fine cut coping stone, 5
! feet wide on the top, and feet inches
on the bottom, in blocks Of from 5 to
feet, or more, in length, ard 2 feet in
thickness.
! The vertical face of this coping is to have
batter of one inch to the foot, dressed
| according to the specifications of 4" first
class fDe-cnt work." the top surface
! il also to hc truly and evenly dressed,
! in the sar-e way, with clean, sharp
! arrs edges on the two sdejoints. and
back of the stone, With all the corners
full and siuare.
! The front top line to be rounded on the
arrs edge, inches on each face, or to
! the quadrant of circle Of inches
radius.
! Th- bottom bed, and the two sides, are to
he dressed truly. 80 as to form close
even joints, with sharp, even arris
edges.
1882 cubic feet, Per cubic foot
6M Bill
| 100 lneal feet OF submarine breast.walI CO.
ping. feet inches wide on the bed in
blocks of from to feet in length
and , feet in thickness, rounded from
the top to the front line, to the quad.
rant Of a circle of feet radius
The top and curved surface to be good
evenhammered dressed work. without
depression. The two sides, the hack
and the bottom bed, are to be truly
and fairly dressed "a "third class
work, as hereinafter described
l,Z3o cubic feet Per cubic foot
7h BW Is Cb,n.r-stones.
The ston. for the southeast corner, on tie west
side OF the deep basin:
1s course. l block I feet square, Q feet
thick; the top md bottom
beds of this stone are to be
dressed According to the spe-
citicatons for third class
work
Two adjacent sides from the included angle arr In