The republic. [volume] (Washington [D.C.]) 1849-1853, 1853-01-29
WASHINGTON: SATURDAY MORNING. JANUARY %. 1854.
PROPOSALS. FOR DREDeE-BoArs.
WAR, DHrABTMEHT,FA yEea
BUREAU CoRPs TopoaRAPHIcAL ENaINEERs,

War .DnpAHrMEnT,5
BUREAU CORPS ToPoaRAPHIcAL ENaINEERs,
- ~ December 8, 1852.
PROPOSALS will be RECEIVED until and includ.
e ing the 10th day Of next February, for the
construction of four steam dredge- boats, to be
work ed by high-pressure engines, viz: sSoss
One for Lake Champlain, to be delivered, i'm
spected. and received at White Hall Harbpr, On
One for Lake Ontario, to be delivered, inspect
ed. and received at Oswego, on Lake Ontario. =
One for Lake Erie, to- be delivered, inspected,
and received at Erie, on Lake Erie. - s
3 One for Lake Michigan, to be delivered, in
spected, and received at Chicago, Illinois
The hull of each boat to be 10 feet long, 80 feet
beam, with guards feet wide, sufficient for buck.
et-ladder and paddle-wheels, to- draw when
equipped not exceeding 3 feet OF: water. i,
Tohave two cylindrical boilers, made of the best
boiler iron, one quarter of an inch in thickness
twenty two feet long. and forty inchesn diameter
each.ss1i s., S ! aass5 sos Esfe35ss.g s. y
y The working cylinders of the engine to be
twelve inches diameter inside. not less than hal
an inch thickness of metal, and to have length
of stroke Of four feet, with a half stroke cutoff
Each boat to have paddle wheels for locomo-
tion, with suitable accommodation for the officers
and hands required to manicure and work the
poat, say captain, mate, pilot, engineer, and
twelve hands; also suitably constructed coal.
bunkers for about fifty tons of coal. ails q
r No advance will be made on q contract, nor will
a boat be received or paid for until after it has
been inspected and tried, and found to meet the
terms of contract. 1880. go - r
Each boat will be supplied with a good four
-oared yawl boat, % feet long and with four good
oars, and also suitable yawl. boat and oars for
assisting in weighing anchor. 7a,r sssg...
i The boat will be inspected in reference to ar
rangeinents, materials, and equipment, and will
be subject to the following trial: H % i3aa
LIST. AS to locomotive power. 1t will have to
move not less than 100 miles in calm weather, on
the waters Of each lake respectively, in conscious
tive hours, at rate Of not less than six mile
the hour. st% t.i9si sslsifiJt' IS ~ ~
I'd. As to dredging power. 1t will have to raise
and diecharge into scows, of loose sand, 100 cubic
yards the hour; of q loose mixture of clay and
s sa part sand and parts clay, not less than
yards the hour; of tenacious clay, andof sand and
gravel, 60 cubic yards the hour, from a depth of
not less than 10 nor exceeding IL feet. .,a IS
ibis must be the continued work of the boat
shorter time of work. 5A''igt7 sos g 1s
Each boat will have to be supplied with an al
Choir of not less than 800 lbs. and too kedge an
chors Of 200 lbs each; and with an adequate chain
cable of not less than 10 fathoms long, of iron.
Also Al Inch hemp cable 100 fathoms long.
The trials will be under a pressure of steam for
dredging not exceeding 60 pounds the square
inch; for locomotion not exceeding $50 pounds the
The trials and inspection to be made by a Uni
ted States agent 2.i3 ffSaEs 9a tta
The boats to be ready at the places stated by the
last day of May next. 8aa4lfs. 81. 5t ssl IA, 3
s Proposals will at the same time be received for
four discharging scows for each dredge- boat, each
scow to be provided with two good sweeps, and
with bottoms so arranged to discharge the whole
load at once. Each boat capable of. holding not
less than 40 tons of excavated soil. M gs4t,
!. Proposals to be addressed to the undersigned,
and marked on the envelope Proposals for
Dredge- boat. '' q s. st 1'aa.l.iSs1s =
ssts J. j. ALERT, hsl
500 Col Corps Top. Engineers +
The Republic, Intelligence, and Union, Wash
ington; Courier and Enquirer, and Express, New
York; Commercial Advertiser, Buffalo, N. Y;
Advertiser, Detroit, Mich; Commercial Adver-
tiser. Chicago, ILL.,; Commercial Times, Oswego,
N. "; Pittsburgh Gazette, Pittsburgh, Pa; Al
bany Register, Albany, N. Y, will give the abeves
twenty daily insertions, then twice week until
February 10. s ~ -
Dec 9--d20t &2awtF ebl0 1850 bss-e8a ~ sfti