The republic. [volume] (Washington [D.C.]) 1849-1853, 1853-02-28

PROPOSALS FOR THE CONSTRUCTIONS
OF A. BRsEAKWATER IN LAKE POINT
i CHARTRAIN, OPPOSITE THE TERMI-
NUS OF PONTCHARTRAIN RAILROAD.
ENGINEER DEpARrMENT
"AsHISaToN. February 10, 1852
rn IS proposed TO construct Cat presently 900
a nnear feet OF the open pile breakwater ia Lake
Pontcnartrain, opposite to the terminus of the
Pontchartrain Railroad, and at the distance tbers
from OF $3.50 feet, and in Is feet water Said
Oreakwater TO be constructed according 10 the
| plans and drawings in the hands of Major q IT
beauregard, Corps of Engineers, New Orleans
MAJOR William b. Chase, Corps of Engineers Mo.
PIE; and Mr.. H. +. ingraham, Pensacola, at each
OF wnlcn places they can be and examined
Is to consist of four rows of cypress or nine
pies ~ In. square, driven from 10 to Is feet into
the bottom OF the lake, which is composed of mud
anu sanu' lne piles IN each row being feet from
cen're 10 centre; and the distance between the
three outer rows Chat is crosswise) being 10 feet
iloi centre 10 centre; the inner being inclined
30 as 70 ac' lke brace or buttress to the Others
by aouttlng against the top of the one next 10 IL
! where they are to be halved into each other and
! firmly bolted together. The three outer niles in
cross section are to be connected together bv an
on TO their heads, and intended also to receive q
inch planking, which will be securely fastened
on by heavy spikes and trenaiis of locust: this
pianking is to be open; the planks 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
level of the lake, and desoends towards the outside
to about feet below the same level thus present.
ing an inclined surface which the wave will
break
The two middle rooms will be connected together
iengitodnally by string pieces, IL in. u in,
sec urely Dolted TO them. and supporting the in
clned cross piece just spoken Of which will itself
De braced TO the two inner rows (3d and 4th) by a
horizontal cross piece, IL in. II in. bolted on 10
them Immediately below the low water level The
W ter will b,
lows: After driving down the outside pile certain
distance the inclined piece is attached 10 II
by screw bolt, and it is then driven down TO its
proper depth, Its head being cut off level with the
cross piece; the other piles are then driven down
and the cross and longitudinal pieces bolted on to
them also The fastenings to the middle pile can
be easily effected, as their depth below the low
water level will only be from is to "a inches The
tour inch planks under water will be spiked and
trenalied to the inclined 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, u in. K 70 in, from
% to 80 feet long.
1000 running feet of cross and lonoitundinal
pieces, 10 in, IL in
2,O00 running feet of planking, 4 in. II in
LIPS screw bolts, galvanized iron,) from in.
$500 spikes.
\ 2, 500 trenails of locust
1t is supposed that the work can be carried on at
the rate OF 200 days in the year without Interrupt
ton from the weather after making a fair allow,
ance for other casualties and SUNDAYS III will be
required to be completed in six months from the
date of the contract.
Proposals viii be received at the Engineer De-
partment, Washington, until the Both day Of
march, 1893, 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
Dreakwater' or about the Pontchartrain Railroad
Depot Gas the experimenting engineer shall di. .
rect) all the piles the and Ion gtudinaI pieces
and the panking needed for its construction.
"a, 10 construct said breakwater at so,mpch per
running foot of its length the contractors furnish
ing every thing else but the piles the cross and
longitudinal pieces, and~the planking
Sd. To furnish al the materials, &c, required
and to construct the whole brea kwater at 40 much
per running foot of its length; in other words, TO
embrace The other two propositions in one.
be made is reserved.
The Engineer Department is 10 exercise the ne.
cessary supervision, through its agents to secure
the due progress of the work and its faithful per-
ormance; and to reserve to itself the right of an.
nulhng the contract at any time, should the hold
ers of fail to fulfil its conditions
No advances of money will be made by the En-
glneers 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
lis daily progress has occurred save that incident
unavoidable arrangement of machinery, not due
to radical defects In construction 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 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 tesmo-
mails OF high character the competency Of the
proposer TO execute the worR offered for the reli-
ability of the sureties must also be manifested
4 he envelopes should BE- endorsed Proposals for
the construction of a Breakwater in Lake Pont-
chartrain.''
For further particulars address Major G. It.
beauregard, Corps of Engineers, New Orleans.
JOS G. TOTTEN,
Bt. Brig Gen. and Col. Engineers.
To be inserted in the Republic, InteHieencer,
and Union, Washington; Louisiana State Republic
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 Engi-
heer department. Feb 23-dSw