Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-07-28
STEAM MACHINERY FOB q. 8. STEAM
FRI0ACES.
NAVY DxpARrxlsr. Julv !.

NAVY DEPARrNHNf, July J, 1854.
1hoPOSlT1ONS viii be received at this depart
L msnt until the first day of August next for the
complete construction of the steam machinery and
appencages, and placing 1t on board of five auxin
airy screw steam fgates, to be at least Z55 feet
length, and Of 900 tons measurement one Of which
Is building at each Of the United States navy Yards
Norfolk.
Each of, T 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 he completed
nsys; the propeller, with the connexions Tor hoist
log 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 crime engines The tools and
duplicate pieces necessary for an efficient cruisin
shipotwar, q list Of which must accompany the
proposal and also the coal bunkers, must be inclu-
ded-
All the wood and carpenter work necessary to
adapt the vessel for the reception Of the engines
boilers, propeers, &c, will be at the expense Of the
Navy Department, and II will furnish the usual ia
board.
For the accommodation Of the entire steam ma
ohinery with fuel for ten days consumption at the
average speed at 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 en-.
tire space under the birth deck. The greatest
breadth OF this space under the beam will be Al IT,
and the height from the timbers to the bottom OF
the beam IL feet; the 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 appendages OF
all kinds and spare pieces has been estimated at 1856
tons OF ,240 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 andaft direction,
and the depth from the load water line to the top
the keel under the propeller will be 81 feet The
iength from the maiamast to the sternpost will be
Ahr 4 tnat
transversed section to the deep load line will be s65
square feet.
As auxiliary steam frigates tho spars and rigging
will be those Of frgste of the first class, of ISO6
tons measurement.
Tbs particular arrangement Of the machinery will
be left with those whose propositions may be accept
ca 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 will admit.
The terms Of payment will be IS follows: when
onethird 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-thirds
81 Inc sofk snail, IN like manner, be completed,
there shall be further pay ment Of one fifth when
the sup Shall have msds trial trip, satisfactory to
the department., Of not less than one week at sea-
tnere shall be further payment Of one fifth; and
Haen the snip nail have been in possessrn of the
department, end performed satisfactorily for six
months, the remaining sum shall be paid; 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 ofisr - made, and be accompanied by fnl
and compete specifications and drawings, which, il
desired, will be returned those whose Offers NAV
not be accepted II must also be stated at what es
Enlistment the work is to be done
Each proposal must be accompanied by guaran.
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 the amount Of the contract
j. O. DORBIN,
jyl-AwtlAug Secretary Of the Navy.