Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-08-10
On the permanency Of the cure hear him. stu
another letter from the above:
BARRELvnLE, Allegheny CO., Nd,
STEAM MACHINERY FOR q. 8. STEAM
FRIGATES.
NAVY DKpARTaRSr. I

DROPO6ITlONS will be received at this depart
l. msnt until the first day Of August next, for the
complete construction of the steam machinery and
appendages, and placing it board of five auxili.
sry screw stsao frigstes to be least 100 feet in
'ength, and OF 5000 rons measurement, of hitch
s building at eseh OF the United States navy yards
At Boston, Nav York. and Phiiadephis, and two at
Norfolk.
Each of 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 csn be completed
The boilers are to be OF iron 18th telescope chin
neys; the propeller, witt the Connexions for hoist
ing up of composition. The fresh water condensers
nschinery for hosting, vent'!atink, pumps, &C.,
" it'll appurtsnanceS OF all kinds, must be til" Sc
most approved for m srine engines The tools and
duplicate places necessary FOR efficient cruisin
shipofwar, q list of which must accompany the
proposal, and also the coal Dunkers, must be incu
ded.
AL the wood and carpenter work necessary to
adapt the vessel for the reception Of the engines.
boilers, propellers &C. will be at The expense Of the
Navy Department sid it will furnish the usual ia
cilihes 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 at load draft Of water of % fs ID
Guiding the keel length not to exceed go feet can
be allowed In the body of the ship including the en-
tire space under the birth deck. Tho greatest
breadth Of this space under the beam will be At #
and the height fr' N the timbers to the bottom of
the beam II fest; the Of the section being 662
square feet.
The weight OF Ill TIE a:aau. c,ashinery, water in
the boilers and coal within the pace given, aud in
Guiding the propeller and shaft with cppan1ages of
all kinds and spare piecee, has been estimated at 1856
tons of $40 pounds CT which 3G0 tons is for COAL
The distance between the main stern-post, and
the rudder post may be six feet if that length s ne
eessary for the propeller in fore and aft direction,
and the depth from the load wster line to the top OF
the keel under the propeller will be 81 feet. The
ength from the maiamast to the stern-post will be
.bOut liz feet Tho the Draofaat INN rso3
transveIsed section to the deep load line will be s65
square feet.
As suxiliary steam frigates the spars and rigging
will be those Of frgate Of the first class, Of 1880
tons measurement.
The particular arrangement OF the macl inery will
be left with those whose propositions may be accept
The desire OF the department being to obtain the
greatest speed and power With ths most economical
consumption of fuel, which the space available for
that purpose will admit.
The terms pay ment will be as follows: when
onethird OF the work provided for by the contract
shall have bsen Completed to the satisfaction of the
department. there shall be payment of one-ffth of
the whole amount Of the contract; when twothirds
of the work shall, in like manner, be completed,
there shall be a rurther payment Of one fifth when
he ship shall have made trial trip, satisfactory to
the department, Of not less than one week at sea,
there shall be further payment of one fifth; and
when the ship hail have been in possessirn of the
department., and 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 offer ID made, and Tust 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 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. G. DOBBIN,
~ l-zawtlAug Secretary Of the Navy.