Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-08-05
STEAM MACHINERY FOR q. 8. STEAM
FRIGATES.

NAVY DEpARFM1NF, July I, 1854.
DR0POsITIONS viii be received at this depart
l. msnt until the first day of August next, for the
complete construction of the steam machinery and
sppendsges, and placing it on board Of five auxili.
ary screw steam gates, to be at least 255 feet in
length, and Of 900 tons measurement one Of which
il building ct each Of the United States navy yards
at Boston, New York. and Philadelphia, and two at
Norfolk. - --1 sfss
Each otter must be for specific sum, and include
Oil patent fees for any arrangement that may be
proposed, and must state the period within which
the work can be completed.
The boilers are 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, ventilating, pumps, DO,
With appurtsnances Of all kinds, must be these
most approved for msrine engines. The tools and
duplicate pieces necessary for an efficient cruising
shipof-war, list Of which must accompany the
proposal and also the coal bunkers, must be inclu
All the wood and carpenter work necessary to
adapt the vessel for the reception of the engines,
boilers, propelers, &C., will be at the expense Of the
Navy Department, and it will furnish the usual f.
cilities and labor for hosting the machinery on
board
For the accommodation Of the entire steam ma.
chinery with fuel for ten days. consumption, at the
average speed. ut load draft Of water Of % fest in
Guiding the keel length not to exceed 60 feet can
be allowed In the body Of the ship including the
tire space under the birth deck. The greatest
breadth Of this space under the beam will be Al #
the beam II feet 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 and shaft, with appenaages of
all kinds and spare pieces has been estimated ct 1856
tons Of 2,0 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 anda direction
and the depth from the load wster line to the top
the keel under the propeller will be q feet. The
leagth from the mainmast to the stern-post will be
about liz feet. The area of the greatest immersed
trsnsversed section to the deep load line will be s66
square feet.
As auxiliary steam frigates the spars and rigging
win be those Of frgate Of the first class, Of 1880
tons measurement.
be left with those whose propositions may be accept
cd as 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 VIII admit.
The termS Vi payment will be az follows: when
onethird OF the gork provided for by the contract
ahall have baen Completed to the satisfaction of the
the whole amount of the contract; when two-thirds
of the work shall, in like manner, be completed,
there shall be further payment Of one fifth when
the ship shall have made trial trip, satisfactory to
the department, of not less than one week ut sea,
there shall be further payment Of one fifth; and
when the ship hall have besn in possessirn of the
department, and performed satisfactorily for six
months, tie remaining sum shell be psid; the re-
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 ID made, and raust be accompanied by full
and complete specifications and drawings, which, If
desired, will be returned those whose Offers may
not be accepted 1t must also be stated at what 90
tablishment the work is to be done.
Each proposal must be accompanied BY guarsn-
tee that the contract when awarded will be faith.
fully performed, and the successful bidders will be
required to enter into security for that purpose In
the sum Of threeourths the amount of the contract
j. q. DORBIN,
jy I-2swtiAug eeerstary ofths Navy.
NAVY DErARrAEsr, July 10, 1854.