Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-08-04
STEAM MACHINERY FOB U. S. STEAM
ERIGATES,

NAVY DEPARTMENT, July I, 1854.
PROPOSITIONS will be received at this depart
L ment until the first day of August next, for the
complete construction Of the steam machinery and
appendages and placing 1t on board Of Ave auxili.
airy screw steam fgates to be at least Zs5 feet in
length, and Of 900 tons measurement one of which
ID building at each Of the United States navy yards
at Boston, New York. and Philadelphia, and two at
Norfolk.
Each offer must be for specific sum, and include
all patent fees for any arrangement that may be
proposed, and must state the period within which
the work can be completed
The boilers to be OF iron, with telescope Chin
neys; the propeller, with the connexions for hoist
ing up, OF composition The fresh water condensers,
machinery for hosting, yentilatins, pumps, &C.,
With eppurtenanceS OF all kinds, must be those
most approved for N 'r;ne engines The tools and
dupicate pieces necessary for efficient cruisin
shipot.war, list Of which must accompany the
proposal, and also the coal bunkers, must be incu
AL the wood and carpenter work necessary to
adapt the vessel for the reception of tho engines,
boilers propelsrs &c. will be at the expense Of the
Navy Department, and 1t will furnish the usual ia
cilities and labor for hosting the machinery on
board.
For the accommodation Of the entire steam ma
chinerJ with fuel for ten days consumption, at the
average speed, at losd draft of water of % te in
Guiding the keel, length not to exceed 60 feet
be allowed in the body of the ship including the en-
tire space under the birth deck. The grestest
breadth OF this space under the beam will be AZ IT,,
and the height frem the timbers to the bottom of
the beam Il ftet the area of the section being 662
square feet.
The weight of all the steam machinery, water in
the boilers and coal within the space given, and in
Guiding the propeller snd shaft, with appendages of
all kinds and spare pieces, has been estimated 1856
tons Of O pounds, OF which $50 tons is for coal.
The distance between the main stern-post, and
the rudder post may be six feet if that length
cessary for the propeller in fore andaH direction
and the depth from the lead wster line to the top of
tho kael mn no ha faaf bo
leagth nom the mainmast to the sternpost will be
about liz feet. The area Of the greatest immersed
transversed section to the deep load line will be S65
square feet.
AS auxiliary steam frigates the spars and rigging
viii be those Of frigate of the first Glass; Of 1900
tons measurement
The particular arrangement of the machinery will
be left with those whose propositions may be accept
ed IS combining the greatest number Of advantages
the desire of the department being to obtain the
greatest speed and power with the most economical
consumption Of fuel, which the space available for
that purpose will admit.
onethird OF the work provided for by the contract
shall have baeu .cpieted to the satisfaction Of the
department, taefe shan be q payment Of oneffth Ct
the whole amount Of the contract; when two-thirds
Of the work Shall, in like manner, be completed,
there shall be further payment Of ono fifth " hen
the ship shall have made trial trip, satisfactory TO
the department, of not la5s than one week at sea,
there shall be q further payment of one fifth; and
when the ship shall have been in pOssessrn of ths
department., and performed satisfactorily for six
months, the remaining SUM shall be paid; the rs-
pairs necessary during this PERIOD from defective
workmanship and material, being at the expense of
the contractor.
Each proposal must specify the ship for which
the offer 10 made and must be accompanied By tull
and complete specifications and drawings, which, if
desired, will be returned those whose offels may
not be accepted 1t must also be stated at what Is
Enlistment the work is to be done.
Each proposal must be accompanied by gusran-
tee that the contract, when awarded, will be faith
fully performed, and the successful bidders wills re
required to enter into security for that purpose in
the of threefourths the amount OF the contract
J. c. DOBBIN,
jy l-AwttAug Secretary of the Isvy.