Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-07-07
DISEASED SIDE. BREAST. EYER
STEAM MACHINERY FOR U. s. STEAM
ERIGATES.

NAVY ,DEPARTHKNT, July |, 1854.
DROPOSIT1ONS viii be received at fi1is depart
ment until the first day Of ugust next for the
complete construction of tie steam machinery and
appendages, and placing it on board of five auxil
ry screw steam frigates to be ct leaet R55 feet In
length, and Of 3,OCO tons measurement of which
building at each of the United States navy yards
Nerfolk. ~ = ~ ~ -';I-.'.-'- -
al 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
Ga;hinery for hosting, ventilating, pumps, &C.,
NHh aopurtenances OF ell kinds, must be the &c
most approved for m .rins engines The tools and
duplicate pieces necessary for efficient crusing
ship-otwar, list Of which must accompany tie
proposal, md also the coal bunkers, must be inclu-
All the wood aud carpenter work necessary to
adapt the vessel for the reception of the engines,
boilers, propellsrs &C., will be at the expense Of the
Navy Department. and it will furnieh the usual IA
eittes and labor for hoisting the machinery on
board. =. ear ~ - .-
For the accommodation of the entire steam ma
chinery with fuel for ten days consumption at the
average speed at load draft of water Of 18 fet in
uding the keel, length not to sxcsed 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 Il #
and the height frsm the timbers to the bottom OF
the beam u feet; the area Of the section being 6e2
square feet. - 1z-'' o - '''-." -
The weight Of all the steam machinery water In
the boilers and coal within the space giyep and in
cludiDg the propeller and shsft with appendages of
all kinds ana spare pieces, has been estimated at 735
tons of 2240 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 antaf direction,
and the depth from the load wster line to the top of
the keel Under the propeller will be 2i feet. The
ength from the mainmast to the stern post will be
about liz feet The area OF the greatest immersed
trapsVeIsed section to the deep load line viii be se5
As auxiliary steam frigates the spars and rigging
viii be those Of frgats of the first class, Of 1900
tons r1easuremsnt. ~l-,.i l....-.. 81. -... ., -,
The particular arrangement of the machinery viii
be LETT with those whose propositions may be accept
ed 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. F. --'---
The terms Of payment will be as follows: when
onethird of the work prsyid for by the contract
shall have been completed to the satisfaction Of the
department. there shall be payment of one-ffth Of
the whole amount of the contract; when two-thiris
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 at sea,
there shall be a further payment Of one ifth; and
when the ship thal have been in possessirn Of the
department., and performed satisfactorily for six
montns, the remaining sum Shall De PAID the re-
psirs necessary during this period, from defective
workmanship and material, being at the expense of
the contractoe. 81 = -
Each proposal must specify the ship for which
the ofar is made, and must be accompanied by full
and compets specifications and drawings, which, if
desired, will be returned those whose Offers may
not be accepted 1t must also be stated at what es
tablishmant the work is to be done.
Each proposal must be accompanied by a guaran-
tee that the contract, when awarded, will be faith.
fully performed, and the successful bidders will be
required to enter into security fer that purpose In
the sum Of threefourths the amount OF the contract
--lrr 1'.a@ .. - :-.@. j. @. D0BBIN, -..
jy1-2aEtlAug Secretary of the Navy.