The Portland daily press. [volume] (Portland, Me.) 1862-1921, 1870-08-15
NEW ADVERTISEMENTS.
ENGINEER OFFICE, U. :. ARMY.
IN L.


NEWPORT, X. L., August 18th, 1870. J
SEALED PROPOS AIS will be received at this
- office, until Saturday the 18th day OF September,
1872 at IL o'clock NJ, Tor the construction Of the
substracture OF Breakm atsr at Block island, X.
tor local purposes.
1t will begin at point ON shore near "SanPs
Landing" on the southeast part OF the Island. and
built out 10, and along line joining "Clay Head"
and "Five Foot Rock" Its total length will be
about three hundred (300) feet beyond the low wa
ter line. The greatest depth OF water the line Of
he Breakwaler is at its extremity where there
is sixteen (lG) eet at mean low water. From thence
sbofeward, the bottom slopes up gradually TO high
water marx, the bottom being smooth sand uuder-
ltid with clay. The mean aud tail the tide ia
three and one quarter ~ feet.
The substructure OF the breakwater will lie stone
simply dropped into the water so as to otm q slope
oil three ~ ba'e to one Dperpendicuar on the side
towari the sea, and one ~ base q peIpennc-
uar on the side toward The lind, ana to be thirty
10y feet W de at mean low water level. The work
must he bagun at the shore end and be finished up
shore.
The stone must be granite. of the best quality, so
ilt as durability is concerned, and in pieces weigh
my 10, less than one and one quar- er Il 1-i) tons,
Wl.not regard to shape, exc 1T that there must be
no slabs or thin pieces
IL believed that this work can be done by vessls
unloading their careees on the spot. In ordinary
weather vessels can lie in the roastead with perfect
safety, though there Will he times i'm line earlier roo
ress of the WORK at least, when much time must be
lost ne worst storms a;e from the southeast, and
during storms from that quarter, the roadstead is
untenable tor vessels of any class.
To complete the whole su6structare about Il ltv
thousand tons of stone Will be required nut at pres
ent the funds appropriated will, 1t is estimated pay
Tor not more than ten thousand tons. Proposals
will be received only for the smaller amount and no
contract will be entered into Tor work p rform
ed alter the seth day OF June, 1871.
Payments will be made monthly res el wing ten No
per centum till the contract is fulfilled.
| Proposals must state the price per ton at which
the stone viii be furnished and in the breakwa
ter which price must inc .ude all charges
| against the United States.
The stone must be deposited by the contractor u,-
der the supervision OF an Engineer designated by The
/ undersigned Tor that duty.
Proposals must state the earliest time at (which
| work will be tegun after acceptance OF proposal =
Work once begun must be prosecuted with all prac-
| :icable diligence.
Each proposal must be in duplicate, ACCOMPANIED
| by a Guaranty in duplicate, with printed copy o.
this advertisement attached TO each proposal. ank
forms tor proposals and guarantees win be furnished
by this office on application. and any other inloi ma
| ton practicable to give.
The object of this advertisement heino 10 civ,
every responsible and cdpdtte party i,l aoparItf.
| to bid for the work, andto secure to tlt rHbiE
greatest amount of work with the iunf'- aa
ed, the right is served to reject any Nd, .e
| II these objects are Lot thereby obtained.
Proposals must be addressed to he undersigned
and endorsed on the envelope, proposals Tor build.
| ing Breakwater mt Block Island. X. -
| G. X. WARREN.
| Major OF Engineers
Bvt. Maj. Gen. U. 8. A.