Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-08-01
STEAM MACHINERY FOR Q. s. STEAM
FRIGATES.

NAVY DEPARTMENT, July I, 1854.
PROPOSITIONS will be received at this depart
l. nent until the frstday of August next, for thu
complete construction Of the steam machinery ant
appenaages and placing it On board OF Ave suxili
ary screw steam fgates, to be at least 255 feet r
length. aud Of ,OGO tons Measurement Of which
is building at each Of the United States navy yard.
at Boston, New York, and Philadelphia, and two al
Norfolk.
Each cfltr must be for specific sum, and include
al patent tees 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 appurtanances OF ell kinds, must be these
most approved for msrine engines. The tools and
duplicate pieces necessary for an efficient cruising
Bhip-of-wor, list Of which must accompany the
profoRa and slso the cosl bunkers, must be inclu.
All the wood and carpenter work necessary to
adapt the vessel for the reception of the engines
boilers, propeilers, &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
beard.
Eor the accommodation Of the entire steam ma.
cbinery with fuel for tsn days consumption, ct the
average sreed at load draft of water Of % in.
Guiding the keel, length not 70 exceed 60 feet can
be allowed in the body Of the Snip, including the en-.
tire space under the birth deck. The greatest
breadth Of this space under the beam will be Al #
and the height from. the tiElhers to the bottom of
the beam II feet; the area Of the section being 662
square feet.
The weight Of all the steam machinery, water In
the boilers ard 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 22i0 pounds, 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
cesssry for the propeller in fore and aft direction,
and the depth from the load wstsr line to the top OF
The keel under the propeller viii be q feet The
lie Myth from the mannast to the sterp-post will be
about liz feet. The area OF tho greatest immersed
Unanswered section to the deep load line will be 500
square feet.
AS auxiliary steam frigates the spars and rigging
will be those Of frigate of tho first class, Of l,S0O
tons measurement.
The particular arrangement Of the linery will
be lst 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 will admit.
The terms Of payment will be as follows: when
onethird OF the work prsvd ed for by the contract
shall have been completed to the satisfaction Of the
department, there shall be payment of one-fth of
the whole amount of the contract; when twc-thirds
of the work shsl in like manner, be completed,
there shall be further payment Of one fifth when
the ship shall have made trial trip, satisfactory to
tho department, Of not less than one week at sea,
there shall be further payment of one fifth; and
when the ship thail have been in posseseirn of the
department, and performed satisfactorily for six
months, the remaining sum shall be paid the 70.
pairs necessary during this period, from defective
workmanship and material, being at the expense o.
the contractor.
Each proposal must specify the ship for which
the offer Is made and must be accompanied by full
and complete specifications and drawings, which, If
desired, viii, be returned those whose offers may
not be accepted 1t 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 threefourts the amount of the contract
I, j. G. DOBBIN,
jyl-2awtlAug Secretary Of the Navy.