The Portland daily press., 1867-06-27
q NEW ADVERTISEMENT.

ENGINEER OFFICE OF FORTS AND SEA
Il WALLS, Boston Hsrbor, 10 State Street. Bos-
Proposals viii be received at this office until noon
of SATURDAY. Jaly 49, next, for the delivery OF the
following describe cut granite ,ea wall iasing upon
the beach Of Love!Ps Island, Boston Harbor, be-
tween the 18th day Of August and the 18th day Of
This st,no is to be Of the following description and
face measure Tor the front Of the WALL ans separates
ly ter the face o. the coping. Tho amount Of stone
feet OF WALL For the facing three courses-the low
course OF loot IL inches rise; the middle course
feet rise, and the upper course feet inch rise;
making front Of wall feet high: For the facing
the stretchsrs not 10 be more than feet long
rise not varying more than inches from that
width. The breadth OF the headers 0r length ON the
face to be not less than the rise Of the course and
they are to average least that breadth and to be
at least 4 it. lengs The headers will be dovetaied
3-4 inch TO loot from the front, the ends of
the stretches being bevelled to correspond. The
entire beds OF tho headers, and their builds and
joints for inches from the 'front.' more than the rise
OF the course, also the entire bald OF the headers
the upper or IT, in. course, and the beds, builds
and 10 nts OF all the stretchers, will be trough ham
cred straight; that Is, out Of wind, true 10 the
s5a he srsipbened sccorny 10 batter on the
wall OF IT, TO ft. in height. The coping to he 4.
RISE to be not less than H. deep from the front,
least width IT, inches and 10 average at least 1t.
wide, and the beds TO be rough hammered
straight and the joints Of alternate stones Of the
coping are 10 be dOvetaied as d0ubl5 headers anu
cut fu ly inch the foot from the front, at
feet distance from the front they will be inches
rover than the face, the remaining half in ell
these coping being suit with loz nge-shaped
joint to fit these d5vetaiis.
Also required to be delivered upon said Beach at
Lovelps Island before tue first OF october next about
1900 $500 cubic feet ojettee stone; and upon the
beach OH the inner side OF Deer Island, also about
5000 to 5000 cubic feet may be needed Of jettee
stone, 10 Je OF the following description:
These stones may have quarry faces, on upper and
lower. or rather inner and cutter BEDS and they may
vary from IS to "a inches in thickness, and IN
The stone, but no more; they must have good
split edges, not varying more han one inch to the
foot from the square with the best bed face; the
ends need square with the edges but they should
have split ends. They NAV vary from to ieet in
width but not more than foot NJ the ends OF the
same stone. The length of the stones may vary from
d 10 feet averaging between The two lengths, and
the dimensions az they will square with one u the
sides ana one edge, length breadth and thickness and
the cubic feet 10 be marked on each stone.
Offers will be received for the cut stone and for the
eltee stone, either separately together, and Tor
the jettee stone either the Islands separately,
il desired. Each offer must DO accompanied by at
least accepting sureties, and fourth
the amount bid, and be certified as 10 their suffici
ency by some principal United States civil officer Of
the vicinity,
asAe H. W. BENHAM,
.g Colonel vi Engineer,
june27eod1w Bvt. Maj. Gen. U. s. A.