National Republican., 1875-09-03
PROPOSALS FOR BUILDING AN IRON
I SECTIONAL BALANCE DRY DOCK.

NAVY DEPARTMENT.,
WAsHINGToN, ID. c., July 80 1875. !
Sealed Proposals, ,indorsed Proposals for BuiLd
received at the Navy department until % Il O'clock &
m. on the 18th day Of September next, from dry
dock builders, manufacturers and mechanics ac-
the materials for, and the building Of, two sec.
tions Of an Iron Sectional Balance Dry Dock at
the Nary Yard, Pensacola, Florida;
Said dock to be erected and used In basin in
said yard s5S feet in length and 11o 710O feet in
Each section thereof to be of about the follow
ing Dimensions, viz: Width, los feet; length, 50
feet 6 inches; depth IL feet; and to have q dis
placement above its own weight, when completed,
ready for use, of about 900 tons.
The general plans and specifications for the
whole of this dock have been adopted, and may be
seen and examined at the Navy Department.
These plans and specifications are, however,
adopted and assumed by the Government only as
the general plans and Specifications controlling
the general character and dimensions of the dock,
not as guaranteeing its strength, capacity and
successful operation. But the contractor must
assume and approve them to that extent, and will
and sufficient for the purpose desired, and also
for the strength, capacity and successful opera
tion Of the docE, when built, for two years after
1t has been tested and found to be ready for use.
No increase Of size and general dimensions will
be permitted without the express sanction Of the
Department
The contractor will also furnish, for one section
called the engine section, two upright beam en-
gines and boilers with ali the necessary pumps,
WdIeI Redr1QR, machinery anu az
tacbments Of sufficient strength and power to
raise the dock of six sections with vessel of 100
tons weight upon II, in one hour.
The engines and boilers will be protected by o
suitable house, to be built Of charcoal iron.
The plans Of the engines and boilers, with speci-
ficstions in detail, must be approved by an engi-
peer Of the United States navy, to be appointed
by the Department for that duty.
The materials used in building said dock must
angle and plate Charcoal es Il be- sSs
70 stand the regulation tests for strength and
toughness Of iron used for building iron vessels Of
war
The whole structure Will be built under the in.
spection Of the superintendent appointed by the
Department, who will have authority to reject
any material or portion OF the work not considered
by him to be Of proper quality and workman
ship.
The contractor will be required to give security
sureties, who will furnish the usual certifcates
that they possess property free from incumbrance
equal to twice the amount for which they held
the docks according to his contract in all respects
and that the same will be sufficient in strength
and capacity, and will accomplish the purpose for
which It is designed, as set out in this advertise
ment and In said contract and that II will operate
successfully for two years after 1t has been accept
The work Will be completed and the two sections
ready for use within i've months from the date Of
signing the contract.
the work progresses, upon bills duly certified to
by the superintendent on the part Of the Govern
ment; the Government reservtng twenty per cent.
COY Of the amount Of each bill as additional se-
ourity until the final completion and acceptance
All "straw bidsn viii be at once rejected, and
the Department reserves the right to reject any
bid from persons considered not competent to do
the work, and all bids not believed TO be for the
interests Of the Government; and, for the purpose
Of securing proper information on these points, .
board Of ofhcers consisting Of one line officer one
engineer and one constructor, will be appointed
by the Department TO examine the bids, and In.
yestignte and report upon the experience and
ability Of the persons bidding. and the facilities
ct their command for properly executing the
work required; and the Department win not
award the contract 70 any one Of whom such re-
port 10 not, IN all respects, satisfactory.
GEO. NJ. ROBSON,
AUTO Secretary Of the Navy.