Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1853-09-13

CLASS No. 22.-Continued.
1oh course. DO headers, feet long, 2 by 9
feet square;
1tM course. 40 headers. s feet inches long,
by feet square:
12th course. 40 headers feet inches
long, by feet square;
18th course 20 headers, feet long, . by .
feet square:
14th course 40 headers feet Sinches long.
2 by feet square;
15R course. 40 headers, feet inches long,
2 by feet square;
2o,ol3 cubic feet per cubic foot
ID Bill, so Headers.
This bill gives the size and number of headers re
quired for the work above the water the fee end
OF which is to be dressed as first class rustcated
rock-work, having latter of one twelfth.
18th course. 40 headers, feet 10 inches on
top, feet 0 inches on bot
tom. 2 by feet:
17h course. 40 headers, 6 feet inches on
top G feet 10 inches on bot
tom. by feet
2,ooa cubic feet per cubic foot.
The dressing the first bill of headers, from the
1st to the 18th included, will be as 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 e4ch stone il to be truly and
evenly dressed, parallel to the top he'd for feet in
ward from the face Of each header. and for a width
| OF Is inches at foot inward from the hack end.
dressed at rightapgles to the top and bottom beds
for feet inward from the face end of each header,
and tor is inches wide a. l foot in from the hack
ends-that il, 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 lie truly
and evenly dressed, at right-anges to each other,
and in the came lines or planes IS the front beds
and joints.
draft of inch is to be cut round each end of the
stone showing full corners and square edges which
must continue of full dimensions to the guage
within.
The parts of the stone not specified to be dressed
as above may be left rough as it was split from the
quarry, being Of full dimensions: but allowance
will be made for any additional size in those parts
The dressing the second bill of hesters from
| the 1Gth and 18th eoursds. The face end of each
header is to have clear draft, inches vide cut
roundi it, with batter of inch to the foot rise.
The back end is to be square ts the beds, with a
draft of inch run round it.
The top, the bottom, ard the two sides Of the 10th
course of headers to be dressed for 26 inches
ward from the face end, and for Is inches wide at
foot inward from the back end, the the first
| bill.
The top Of the 18th course is to he 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 Is inches inward from the face end and
for IL inches wide st foot inward from the back
| end.
The dressing the beds and joints of these
headers will he of the quality OF second class
| work, y hereinafter described.
Sd Bill, 1880 Sretclers.
Front and back STRETCHES ard counter.
fort stone, chiefly for work below the
surface OF the water.
5lo If, from. IS st5etehers. feet long, feet
400 back stretchers, feet long. 2 feet
high, and Is inches wide on the beds.
500 counterfort stone, 6 feet inches
long, feet high, and Is inches wide
| on the beds
All the above stretchers are to be dressed
on the top and bottom beds and two
ends; the connterfort 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 fair draft, Of inch wide, run
round them, as to show full corners
and square edges; but the surface
within the draft lines may he left rough
! as it was split from the qusrry
The back stretchers and the counterfort
stone are but Is inches wide on the
beds, while the rise of the course is u
inches. n is the 1S-iach beds and the
I end or ends Of these stone, that are IN
hare the surfdce-drcssilg, and the "a
inch side left rouqh.
1880 cubic feet, per cubic foot
4th Bill, so Front iSretchsrs
First class rusticated Tockwork, batter
ing inch on the face to the foot rise.
These so stretcheTs are feet long, . feet
high, 81 inches wide on the top bed
and 26 inches wide the bottom bed.
The face of each stone is to he full, with
clean. iuecut draft, inches wide,
running round it, showing clean, even
joints, with tull corners and square
edges, and battering one twelfth.
The back is to have a draft of enc inch
run found it square to the beds, with
full corners and square edges.
! 2,6oi cubic feet, per cubic foot
5M Bill
3,2 lneal feet fine cut coping stone,
feet wide on the top, and 5 feet inches
on the bottom, in blocks of from 5 toS
! feet Or more, in length ard , 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 % first
class finc-cut work." the top surface
is also 10 be truly and evenly dressed,
! IN the sar way. with clean, sharp
arris edges on the two sidejoints, and
back Of the stone, with all the corners
full and square.
The front top line to be rounded on the
arris edge inches ON each face, or to
the quadrant of circle of 2 inches
radius
The bottom bed. and the two sides, are to
be dressed truly, to form close
even joints, with sharp, even arris
1882 cubic feet, per cubic foot
$50 lineal feet Of submarine brcast-wall CO.
ping, feet inches wide on the bed, in
blocks of from ) to s. feet in length,
and feet in thickn hess, rounded from
the top to the front line, to the quad.
| rant ofa circle of feet radius
The top and curved surface to BIZ good
even-hammered dressed work without
depression. The two sides, the hack,
and the bottom bed, are to be truly
and fairly dressed as third class
work, as hereinafter described
| ,235 cubic feet per cubic foo
| 1th Bill, IS Cbrner-sto7aes.
The stone for the southeast corner, on the ives
side of the deep BASIN
LIST course. block feet square, . feet
thick; the top and. bottom
beds of this stone are to he
dressed according to the spe-
citicatIonS for third class