The republic. [volume] (Washington [D.C.]) 1849-1853, 1853-01-25

PROPOSALS FOR IMPROVING THE HAIR
| BOR OF MOBILE2BY DREDGING THE
PRESENT CHANNELS LEADING TO THE
| EsF EHaIHEER DEPARTMENT,
/ essl WAsHINGroN, January Is, 1858.
4 bile, Alabama, at Dog River Bar and the Choc-
| taw Pass by dredging the present channels
The work required to be done is stated follows:
| clear channel to be excavated three hundred
feet wide, and to exhibit twelve and half feet In
depth OF water at mean low tide, viz:
Through the Chocta,u Pass.
| :. Cubic yds.
| $40 ydsy average depth to be excavated
| Exterior of the Pass. p5 l1 dsitirg
| 600 do average depth to be excavated m 500
1 5000 1901, III - ................. q, 900
o'Aoo 90 average depth to be excavated sgsl
1 ,,-o o leet, "a = .......... 1862 $40
i'ioo 90 average depth to be excavated
e7so fleet. -. .............. $4,000
| o'''o 10 average depth to be excavated
| ~ ioot, 20 = ...-............. 2Sl $50
l2,aoo yards in length, Total SOS ,929
/ The materials to be excayated is belevad 40 r.. =
soft blue mud, with rare exceptions where II ia
| mixed with sand and bells. -.- =.
fot is supposed that dredging operations can be
carried on for 229 days In the year without inter-
ruplon from the weather, after making fair allow
ance for other casualties and for Sundays.
1t Is required to perform the whole work in ono
year after the machinery, &c., is prepared. To
do this BY dredging there will be required steam
dredging machines and vessels capable of dis
charging about 1000 cubic yards of mud per day,
complete IN all their parts and appurtenances, and
supplied with cabins, all requisite store rooms,
storage for fuel cables. anchors, boats, &C.. and
the requisite number of scows, with hoppers to hold
from 90 to 100 cubic yards each.
proposals will be received at the Engineer De- u
partment, Washington, until the 18th day of ID
march, 1862 for the execution of this work. under
one or the other of the following propositions:
lst, 10 clear out the entire length and depth of
me channels through the Choctaw Pass and the
nishing all the necessary machinery. vessels ten
GERS, and labor, at 30 much per cubic yard of ma,
terlal lifted and deposited at distance from the
edge OF the channel, not less than $50 Yards
"a. TO furnish vessels, machinery, Sc, ready for
the work to the Engineer Department at Mobile:
winch vessels, machinery, &c, shall be tested to
the satisfaction of the officers in charge of the
WORK, and at the expense of the contractor before
being received; full specifications will be required
with details, for the machinery vessels and scows;
embracing materials, dimensions, tonnage, power
OF engine, and pressure OF steam, diameter of cyl
inder; length of stroke principle of excavating
machinery, whether patented, where now in use
ana py whom; cost OF attaching propeling power
and lite arrangement. Drawings are desirable
whenever they can be furnished.
3d. 10 work the vessels and machinery Stumbled
oy the United States at stated price per cubic.
yard; keeping every thing in repair.
4tI embrace the last two propositions in one;.
IN which case the machinery, vessels, Sc would
remain the property of the United States after the
work was completed.
The right ofrejecting all the offers which may be
The Engineer Department to exercise the ueces.
sary supervision, through its agents. to secure the
due progress OF the work and its faithful perform
ance; and to reserve to itself the right of annul-
ing the contract at any time should the holder or
holders OF 1t fail to fulfil its conditions.
sos ,s2s cubic yards are assumed to be the guam
THY OF mud necessary to be removed in order TO
obtain clear depth of twelve and half feet of y
water, with well-defned width of three hundred
feet, on a line of twelve thousand seven hundred
yards, IN the aforementioned channels; and this
number TO be paid for, whether it prove, on the
greater or lesser quantity ''--' .f.i So,
The Engineer Department may find it necessary
to limit the width of the proposed channel to one
hundred and fifty feet in which case one-half1of
tnestated number of cubic yards will be assumed
as the number to be paid for. -a5-H-
M advances OF money will be made by the En-
glneer Departmentundera any circumstances what
Payments proportionate to the amount of worl, ..
zone VIII be made monthly, the certificate Of
the local agents that due diligence has been used
IN prosecuting the work; that interruption 10
lis daily progress has occurred save that incident
to Sundays, bad weather, epidemical diseases, or
unavoidable arrangement of machinery, not due
10 radlcal defects in construction quality Of ma
nc 4oaItlty pdiu LOT must nave been Ia
zen from section completely excavated to the
depth required.
twenty per cent. will be reserved from all paw.
ments due. The accruing sums to be finally paid
to the contractors on the completion of the work
or to be forfeited to the United States in case Of
failure of the same. -
All proposals must be accompanied by testimo-
mails OF high character to the competency of the
proposer to execute the work offered for the rea
bilty OF the sureties must also be manifested The
envelopes should be endorsed Proposals for the
Improvement of the Harbor of Mobile, Alabama
For further particulars address Major W. Fl.
CHASE, Corps of Engineers. Mobile Alabama
JOS. G. TOTEM, sl- -a.
sT' Brevet Brig. Gen. and Colonel Engineers. ~
To be inserted in the Republic InteIgencers
and Union, Washington; Mobile Advertiser Mo- @
bile, Alabama; Louisiana State Republican, New
Orleans Bulletin, and New Orleans Bee, New Or
leaps, La; Albany Register, and Albany Express.
Albany, N. Y; Courier and Enquirer and Ex-
press, New York; Wing, Troy, N. Y; PennsyI-
yania Inquirer, and Daily News, Philadelphia
Boston Courier, Boston; Patriot, Baltimore, Md.
daily for two weeks one copy of each paper con-
tanning the advertisement TO be cent to the Engi-
heer department Jan 20-d2w -
.a5 COLUMBIAN COLLEGE, d. c.
fTTNHE next or Winter session of tb;e I,si;t,4;o,