The republic. [volume] (Washington [D.C.]) 1849-1853, 1853-03-02
PRoPosXES Ro3aKA Tian Go nSfIiU5lt,ro1o.
ORA RREAKNATER IN LAKE PONT.
CHARTRAIMa ORpOs1TE THE TERMI-
NUS or RONTCHK HTHAIN AATEHOAD.

s 81. 81 Ss Ss,i s9 IS fsE ss.5-
81 EneanhxR DEPARrurnr.4f
~ WAsHlHeros, February IS, 1853
1T is proposed to construct lat presently 900
linear feet of the open pile break water ia Lake
PontchartfaIn opposite 70 the terminus Of the
from of 1850 feet, and in 10 feet water Said
breakwater to bez constructed according 10 The
plans and drawings in the haads Of Major g. r
Beauregard, Corps Of Engineers, New Orleans;
Major William H. Chase, Corps of Enginesrs No
bile; and Mr.. II. r. ingrahars, PensacoIa, at each
OF which places they can be seen and examined.
1t is to consist of four rowe of cypress or pine
piles IL in. square, driven from 10 to Is feet into
the bottom of the lake, which is composed of mud
and sand; the piles in each row being feet from
centre to centre; and the distance between the
three outer rows Chat is, being 10 feet
from centre to centre; the inner row being inclined
to act like brace or buttress to the Others.
BY abutting against the top of the one next to IL
where they are to be baved into each other and
firmly bolted together. The three outer piles in
cross section to be connected together by an
inclined cross piece, - in. x IL in, strongly bolted
on to their heads, and intended also to receive a
inch planking, which will be securely fastened
on by heavy spikes and trenails OF locust; this
planking is to be open; the pIanks being about
foot apart and let into mortices about inches
deep.
This planking or platform rises on the inside of
the breakwater to about feet above the low water
Oe6CenO6
to about feet below the level, thus present.
ing an inclined surface on which the will
break
The two middle rooms will be connected together
iongitudlnaily by string pieces, IL in. Z II in,
securely bolted to them. and supporting the in
chned cross piece just spoken Of which will itself
be bfaced to the two inner rows I'D and 4th) BY a
horizontal croes piece, IL in. IL in, bottled to
them Immediately below the low water level. The
construction under water will be executed as fol-
lows: After driving down the outside pile certain
distance, the inclined piece ia attached to it
by screw bolt, and ii lie then driven down to its
proper de pth its head being cut off level with the
cross piece; the other piles then driven down
and the CROSS and longitudinal pieces boted on to
them also The fastenings to the middle pile can
be easily Effected, as their depth below the low
water level viii only be from is to "a inches The
four inch pianks under water will be spiked and
trenailed to the Inclined cross piece by means of
tube and follower, the holes and mortices being
prepared before placing them in position
Quantity Of materials for the construction of the
breakwater:
500 cypress or pine piles, II in. K IL in, from
% to 30 feet long.
1000 running feet of croes and longitudinal
pieces, IL in. K IL in.
% 900 running feet of planking, in. IL in.
1,l25 screw. bolts. galvanized ron,) from in.
to Il in. diameter, and about 2s in. long.
$500 spikes, s
2 500 trenails of locust.
1t is supPpsed that the work can be carried on at
the rate of 200 days in the year without interrop
ance for other casualties and Sundays. 1t will be
required to be completed in six months from the
date of the contract
Proposals will be received at the Engineer De-
partment, Washington, until the Both day of
March, 1853, for the execution of this work. under
one or the other of the following propositions:
LIST 10 furnish and deliver at the site of the
breakwater, or about the Pontchartrain Railroad
Depot, Gas the experimenting engineer shall d.
rect) all the piles the and longitudinal pieces
and the planking needed for its construction.
3D.. To construct said breakwater at SO much per
running foot of its length the contractors furnish
ing every thing else but the piles, the and
longitudinal pieces, and the planking
Sd. To furnish ali the materials, &c, required,
and TO construct the whole breakwater at 80 much
per running foot OF Its length; in other words, to
embrace the other two propositions in one.
The right of rejecting all the offers which may
be made is reserved.
The Engineer Department is to exercise the ne
cessary supervision, through its agents, TO
the due progress of the work and its faithful per-
formance; and to reserve to itself the right of
nulling the contract at any time, should the hold
ers of it fail to fulfil its conditions.
No advances of money will be made by the En-
gineer's Department under any circumstances
whatever.
Payments proportionate to the amount of work
done will be made monthly on the certificate of
the local agent that due diligence has been used
in prosecuting the work; that no interruption to
its daily progress has occurred save that incident
to Sundays, bad weather, epidemical diseases, or
unavoidable arrangement of machinery, not due
to radical defects in construction or quality of ma
teral The quantity paid for must have been taken
from section completely finished as required.
Twenty per cent. will be reserved from all pay
ments due. The accruing to be finally paid
to the contractors the completion of the work,
to be forfeited to the United States in case Of
failure of the same.
All proposals must be accompanied by testmo-
malls of high character as to the competency of the
proposer to execute the work offered for the reli-
ability of the suretes must also be manifested
The envelopes should b. endorsed Proposals for
the construction of a Breakwater in Lake Point.
chartrain.''
For further particulars address Major G. It.
Beauregard, Corps of Engineers, New Orleans.
., Is. :. 80 $780, - JOS. G. TOTTEN,
BIT. Brig. Gen. and Col. Engineers.
To be inserted in the Republic, Intelligencer,
and Union, Washington; Louisiana State Republi-
can, New Orleans Bulletin, and New Orleans Bee,
New Orleans, louisiana; Mobile Advertiser, Mo-
bile, Alabama; Pensacola Gazette, Pensacola,
daily for two weeks; one copy OF each paper con-
tanning the advertisement to be sent TO the Eugi-
neer Department Feb 23-dSw
CIMoNs's LECTURES ON GENERAL PA
~ THEOLOGY; volume, 1852.
Neligan's Practical Treatise on Diseases of the
Skin; volume, 1852.
Wilson on Constitutional and Hereditary Syphi.
lis; volume, 1852.