The republic. [volume] (Washington [D.C.]) 1849-1853, 1853-03-03

1
SEALED PROPOSALS viii BE- received at this
Sns ana fes Son Of March 1853 for the
OF one Steam Dredging Machine, one Tuelboat,
and four Scows. all to Be of the best materials.
The steam-dredge to be capable of raising and
delivering into scows at least sixty cubic yards
per hour. or 60Ocubic yards in working day of
ten hours; the materials to be dredged are sand,
and sand and soft mud mixed; the depth Of water
varying from seven feet to eighteen feet at low
water, according to locality; the rise of the tide 81
feet The bull of the dredge-boat must be built
in the most substantial manner, and the engines
must be 90 arranged that they can be applied to
propelling the dredge to and from the shoals upon
which it 10 to work. There must be suitable sleep
ing and other accommodations provided for twelve
men, store-roolns, coal-bunkers capable Of hold
ing fifteen tons, and a smiths forge. The vessel
must be delivered at Savannah, Georgia, with it's
machinery in complete working order, and the
offers will state the date Of proposed delivery,
ready for inspection and trial by the officer of
gineers, or such other agent of the Governmental
may be appointed tor this purpose The dredge
and its equipment to be moored at the expense OF
the contractor. IN such part of the Savannah river
a. may be designated by the agent of the Govern
ment, and there tested to it's performance at the
contractors expense, which test must be in every
respect satisfactory, and conforming to the cond
tons of the contract
he steam tug must also be built in the most
substantial manner; to be provided with cabin ac-
Communications for the persons required to work
her-eight in number; her timbers to be white oak,
live oak, cedar, or locust, framed with the grain,
her plank OF the best Southern pine; workmanship
to be done in a substantial manner; the hull and
upper works to be painted with three coats; to have
two low-pressure engines of twenty. horse power
each. so arranged as to be capable of being quick
~ reversed, and when running in the Same way to
move without strain. The tug must be furnished
with complete ground tackle and all eqnipage of
every descriptions whatever necessary to fit her for
the business of towing. Z
he f0i1rd nit 10 ho fftuf oo{ Io,o
by sixteen in width; to have wells thirty six feet
by eleven at top, and closed with two valves form
ing the bottom of the weli windlass for closing
the valves bits at the bow and stern of by elk
inch white oak, securely stepped; to be planked
with the best three-inch Southern pine; the frame
to be OF oak, cedar, or locust, anu securely fasten
ed; comblng around the well one foot in height
and four inches in thickness, securely fastened to
the deck.
The price of the dredge, of the tug, and of each
scow must be separately stated.
No payment will be made on account of dredge,
tug, or scows until they shall have been delivered,
inspected, and tested, as above prescribed and re-
ceiyed, 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 SINH
lar machine has been built and subjected to trial.
and, so, where and under what circumstances;
giving the character of the dredged matter and the
depth of water from which it was raised, naming
the person or persons to whom reference can be
had in regard to the same The dimensions of the
hull Of the dredge should be given, with details of
construction; also the power of the engine for drv
ing the machinery of the dredge, expressed in
number of horses; and also the diameter of the cy
Under and length of stroke of the piston and the
pressure of steam under which the engine is ordi
narly worked. If practicable, drawings should be
forwarded of the dredge complete, and also of the
dumping scows.
Further particulars may be obtained by corre-
spending with Lieut.. J F. Gimer, Corps of Engi
neers, Savannah, Georgia.
nah river is principally at two points, known
the 'Wrecks'' and sGarden Bank;' the former
about fifteen miles above the entrance and the
latter short distance further up the river. The
amount to be dredged from the bars mentioned is
about lit 900 cubic yards; the material is sand,
with small amount of soft mud mixed; and the
depth varies from seven to eighteen feet at low
water The dredged matter is to be removed to
polnts in the river distant from the bars two hun.
dred to fifteen hundred yards, and then let into
the water again by opening valves at the bottom
OF the wells of the scows; or to be taken to new
wharyes, near by, and the materials thrown on
shore, II proper arrangements can be made with
the proprietors of the to unload the scows for
the filling thus furnished.
Sealed proposals will be received as above for
dredging, by the cubic yard the whole amount to
be removed from the two bars; also for one half of
the amount; the contractor to furnish dredge boat,
tug, and scows at his own expense; the dredging,
In all cases, to be done in the manner and at such
poInts as may DC Qe6lRnateQ Dy the agent OF the
Government; the materials to be deposited at such
points as be may indicate within the maximum
distance mentioned from the bars. The officer of
engineers, or other agent of the Government in
charge of the improvement, will examine in detail
the operations often may be necessary to
secure the faithful fulflment of the contract in
every particular
Partial payments will be made, from time to
time, in the progress of the work, based upon esti-
mates of the number of cubic yards removed, but
twenty per cent Of the value of the work done will
be in all cases retained in the hands Of the Govern
ment agent until the whole amount contracted for
is removed, when the sums retained will be paid
to the contractor.
Further particulars may be obtained by corre-
Engin. efs, Savannah, Co Ia. ~ r .
JOS. G. TOTEM,
BIT. Brig. Gen. and Col. Engineers.
To be inserted in the Republic, InteHigencer,
and onion, Washington; Savannah Republican,
savannah, Georgia; Pennsylvania Enquirer, and
Daily News, Philadelphia; Courier aud Enquirer
and Express, New York; Wing, Troy, New Yorks
Boston Courier, Boston, daily for two weeks; one
copy OF each paper containing the advertisement
to &c sent to the Engineer Department.
Mar 2-d2w
PROPOSALS FOR FINISHING PORTLAND
HARBOR BREAKVATER, MAINE.
ENGINEER DEPARTMENT,
EN-L 1QE