Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-08-02
STEAM MACHINERY FOR q. 8. STEAM
FRI0ATES,

NAVY DEPARTMENT, July !, 1854.
I)koPoSITlONS viii 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 it on board of five auxili
AIRY SCREW steam fgate5, to be at least 255 feet in
length and Of 900 tons measur. msnt one of which
Is building at each Of the United States navy yards
ct boston, New York, and Philadelphia, and two at
Nerfolk. p,
Each offer must be for specific sum, and include
Gil patent Tess 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, &C.,
With appurtsnances of all kinds must be those
most approved for m >rine engines The tools and
duplicate pieces necessary for an efficient cruising
shipotWar, list of which must ACCOMPANY the
proposal, and also the coal bunkers must be nclu.
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 fa-
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 ct load draft Of water of % fest In
Guiding the keel length not to exceed 80 feet can
be allowed in the body of the ship, including the en-.
ire space under the birth deck. The greatest
breadth Of this space under the beam will be Al IT,
and the height frem the timbers to the bottom of
the beam II feet the area of the section being 682
square feet. av
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 sppendages of
all kinds and spare pieces has been estimated at 1856
tons Of 2,2J 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 is ne
cessary for the propeller in fore and aft direction
and the depth from the load water line to the top Of
the keel under the propeller will be p feet. The
length rom the 9aainmsst to the sternpost 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 ftigates the spars and rigging
viii be those Of figate Of tho first class, of 1900
tons measurement.
The particular arrangement Of the machinery will
ha left with those whose propositions may be accept
ed as com lining the greatest number of advantages
the desire of the department being to obtain the
gieatese spsed end power with the most economical
consumption Of fusl, which he sDace available for
that purpose will admit. ..
The terms Of payment will be ss follows. when
onethrd of the work provided for by the contract
shall have been completed to the satisfaction of the
department. there shall be payment of one fifth OF
the whole amount of the contract; when two-thrds
Of the W3rk shall, in like manner, be completed,
there shall be f.. thar payment of one fifth when
the ship shall have made rgiai tap, satisfactory TO
the department, of not less than one week at se.
thers shall be further payment Of one ifth; and
when the ship .hsl have been in possessirn Of the
department, and pesf,fI,ed satisfactorily for six
month"; the remaining sum SHAH ~ paid !; the re-
~sirs necessary during this period, from defective
.or. --nsaip aad material being at the expense OF
the contracIU.. IT., T. .,.;.,
Each proposal must sne snip lSr b" Viii i,,l,
the offer is made, and must be ~ III r.
and complete specifications and DRAWING. "n0n, "
desired, will be returned 20 those whose Offers In
not be accepted. 1t must also be stated at what
tabl1shment the work be done.
Each proposal must be accompanied by gusran-
tee that the contract when awarded, will be faith.
fully performed and the successful bidders viii be
required to enter into security for that purpoa, in
the sum Of the amount OF the contract
j. C. DOBBiN,
jy l-2awtlAug Secretary OF the Navy.
NAVY DEPARTMENT, July 10, 1854.
TN consequence of various applications from differ
emit parts of the United States desiring an exten.
sion of time to ensole manufacturers of machinery
to prepare plans and proposals to be submitted In
accordance with the terms of the advertisement OF