The republic. [volume] (Washington [D.C.]) 1849-1853, 1853-02-05
PROPOSALS ron DREDaE4Boxr. ste.

Engineer nspartment, Jan. II, 1853.
CEALEl PROPOSALS will be received until
y the 10th February ,jnclusive, for the construc-
tsn. OF the beat material, and delivery at Baiti-
ak dumping pcews, and one decked lighter, for
the waters Of the Chesapeake Bay and the Atlantic
coast 5s 49, aSfsg
The proposal. will stass separately the prices Of
the dredge-boat, including machinery dumping
scows, each; and the decked lighter. -si
The hall of the dredge must be strongly put to.
gether, well kneed, bolted, and braced; to be not
less than sixty feet in length, thirty feet in width
and ak feet in depth. To have suitable sleeping
and necessary accommodations for twelve men,
all requisite store-roosns, and storage for about
twenty tons of coal. 1870 ~ -
The machine must be capable of working in an
exposed situation, such as a sea-way, being in
tended for operating in the waters Of the Chesa-
peake Bay and viii be required to dig and raise
from depth of twenty four feet OF water, and to
deliver into scows or lighters at least sixty cubic
yards Of hard clay per hour, or six hundred cubic
yards in q working day OF ten hours.
The six dumping scows must be strongly put
together, well kneed and bolted; each capable of
holding forty-fve cubic yards of dredged matter.
and to be 90 arranged as to discharge their loads
readily and at once from the sides of the scows in
depth of four feet of water. - -
The decked lighter, which is intended for the
transportation of coal and other supplies for the
machine, must be strongly put together, well
kneed and boted' and capable Of carrying about
The dredge, with its scows and lighter, must be
delivered at Baltimore, Maryland on or before the
fifteenth day of April next, ready for inspection
and trial by the officer of engineers, or such other
agent of the Government as may be appointed for
this purpose. The dredge and its equipment to be
moored at the expense o. the contractor, to such
part OF the Patapsco river may be designated by
the agent of the Government, and there tested as
to its performance at the contractors expense,
which test must be in every respect satisfactory
and conforming to the conditions of the contract.
No payments will be made on account of the
dredge or its equipment until the whole shall have
been delivered, Inspected and tested above pre-
scribed and received, when the contractor will be
paid in full.
Parties offering to contract for this dredge and
its equipment will state distinctly on what princi-
pie they propose to construct the machine; if pa
tented, the name of the patentee; whether sini-
lar machine has been built and subjected to trial;
and II SO, where, and under what circumstances;
giving the character of the dredged matter and
the depth of water from which it was raised; nam
ing persons to whom reference, can be had in re.
gard to the same. The dimensions of the hull OF
the dredge, as well as of those of the dumping
scows and lighter, should be given, with the details
OF their construction; also the power of the engine
for driving the machinery of the dredge expressed
In number of horses; and also in the diameter oil
the cylinder and length of stroke of the piston,
and the pressure of steam under which the engine
is ordinarily worked. If practicable, drawings
| should be forwarded of the dredge complete, and
also the dumping. scows.
Proposals will also be received for adding loco
motive power to the dredge as to be able to pro-
pei with its scows and lighter, in still water al
the rate of six miles per hour; stating fully the
arrangement of the motive power; and the change
if any, such addition would make in the form and
dimensions of the hull of the dredge and in the ar
rangement of the machinery.
Further particulars may be obtained by CORE
| spending with Captain H. Brewerton, Corps Of
Engineers, Baltimore, Maryland.
The proposals to be addressed to the under
signed, and marked on the envelope Proposals
Tor steam dredging machine, &C., for the waters
of the Chesapeake Bay and Atlantic coaet.''
JOS. G.. TOTEM.
Brevet Brig. Gen. and Col. Engineers
To be inserted in the Republic, Intelhgencer
and Union, Washington; Courier and Enquirer, and
Express, New York; Albany Register, and Albany
Express, Albany, New York; Wing, Troy, New
York; Pennsylvania Enquirer, and Daily News
Philadelphia, Pennsylvania; Boston Courier, Bos
ton, Massachusetts,; Patriot, Baltimore, Maryland
daily till 10th February. One copy of each paper
containing the advertisement to be sent to the En-
gineer Department, Washington.
Jan l4-dtl0Feb