The republic. [volume] (Washington [D.C.]) 1849-1853, 1853-02-22
PROPOSALS FOR A DREDGE, TUG-BOAT,
AND SCOWS.
EserNEER DEpARrMENT.

ENGINEER DEPARTMENT,
WAsHINGToN, February IL, 1853.
- EALED PROPOSALS will be received until
~ 18th March, 1858, for the construction and de-
livery at Charleston South Carolina, of one or two
steam dredging machines, tug-boat and four
scows
The steam dr. edge or dredges to be capable OF
raising and delivering into scows at least two hun.
dred cubic yards hourly; they viii be required to
work in open sea-way, the material TO be
dredged is sand and sand and shells mixed. Inc
hull of the dredge must be built OF the best mate
rails and in the most substantial manner and COW
cred to the water line with II OF. Bremen zinc.
The engines must be so arranged that they can be
applied to propelling the dredge to and from the
bar upon which it is to work.
The depth of water in which the work is to be
performed varies from to IA feet at low water;
the tide rises feet, making the greatest depth ~
feet.
There must be suitable sleeping and other neces-
sary accommodations provided for twelve men
store rooms, coal bunkers capable of holding TWEEN
ty tons and smiths forge.
The vessels must be delivered fully equipped
and provided with every thing necessary TO work
it to the best effect. Should the amount required
to be raised daily, as stated above, exceed the
pacity of dredge, then offers for one dredge o.
half the above specified capacity, and also for two
dredges, each of half the above specified capacity
will be received.
Also, one steam-tug, one hundred and twenty
1--WE feet keel, twentyone feet beam, not to draw
six feet six inches, with provisions and TWEEN
ty tons of ceal on board; to be coppered and cop.
per fastened; to be provided with cabin accommo-
datons for the persons required to work her, being
eight in number; her timbers to be white oak,
live GA k, cedar, locust, framed with the grain;
her plank the best Southern pine; workmanship to
be done IN the most substantial manner; the hull
and upper works to be painted three-coa work.
To have two low pressure engines of thirty horse
power each, so arranged az to be capable of being
quickly reversed, and when running the same
way to move without strain. The tug is to be COM
pleteiy found in ground tackle and all equipage OF
every description whatever necessary to fit her for
the business of towing
Also, four dumping scows, fifty feet in length by
sixteen in width, having wells thirty-six feet by
eleven at top, the opening at the bottom two feet
wide, and closed with two valves; windass for
closing the valves; bits the bow and stern of six
by sx-inch white oak, securely stepped; to be
pianked with the best three-inch southern pine;
the frame to be of oak, cedar, locust and Sc
curely fastened and kneed; combing around the
well one foot in height and four inches in thick
ness, securely fastened to the deck; the bottom,
sides, ends, and well to be zinced to the height
of ight-water mark.
The price of each dredge, of the tug, and of each
scow must be separately stated.
The proposed time of delivery of the dredge,
scows, and tug-boat at Charleston, S. c., must be
stated, and when so delivered they must be ready
for inspection and trial by the officer of engineers
or such other agent of the Government as may be
appointed for that purpose. They must be carried
to the bar which is designed operate at the
entrance of Charleston harbor, and there at the
contractors expense tested as to their perform
ance, which test must in every respect be sasfac-
tory and in conformity with the conditions of the
contract.
No payment will be made on account of the
dredge, tug, or scows, until the whole shall have
been delivered, inspected, 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 what princi-
pie they propose to construct the machine; if pat
ented, the name of the patentee; whether similar
machine has been built and subjected to trial. and
if so, where and under What circumstances; givn q
the character of the dredged matter and the depth
of water from which it was raised; naming the
persons to whom reference can be had in regard to
the same. The dimensions of the hull of the bred ge
should be given, with the details of construction;
also the power of the engine for driving the ma
chinery of the dredge, expressed in number of
horses and also in tee diameter of the cylinder and
length of stroke of the piston and the pressure of
the steam under which the engine is ordinarily
worked.
Ifpracticable, drawings should be forwarded of
the dredge complete, and also of the dumping
scows.
Further particulars may be obtaiued by CORE
spending with Captain A. H. Bowman, Corps of
Engineers Charleston, S. c.
The proposals TO be addressed to the undersgn-
cd, and marked on the envelope, Proposals for
steam dredging machine, SC, for the bar at the
entrance of Charleston harbor, s. CO.
JOS G. TOTEM,
BIT. Brig. Gen. and Col. Engineers.
To be inserted in the Republic, National Intelli
gencer, and Union, Washington Mercury,
Charleston; Albany Register, and Albany Express,
Albany, New York; Courier and Enquirer, and
Express, New York; Wing, Troy, New York;
Pennsylvania Inquirer, and Daily News, Philadel-
phia; Boston Courier, Boston; Patriot, Baltimore,
Maryland, daily for three weeks, one copy of each
pa per containing the advertisement to be sent to
the Engineer Department. Feo 15-d3w