Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-09-01
STEAM MACHINERY FOB q. 8. sTEAN
FRI9ATES.

NAyY DIpARI,lHf, July I, 1854.
DRoPOSIT1ONS w2l ee received ct this DEPART
= nsnt until the nfseday Of August next, for the
complete construction Of the steam machinery and
appendages, and placing It on board Of Ave auxili-
afy screw steam fgates, to be ct least Y55 feet in
length. and Of 900 tons measurement, one Of which
tuilding at each OF the United States navy yards
at Boston, New York, and Philadslphis, and two at
Norfolk.
Each offer must be for specific sum, and include
ah patent fees for any arrangement that may be
proposed, and must state the period within which
the work ca n bs 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 condenssrs
With appurtsnances OF all kinds, must be those
most approved for m ,rine engines The tools and
duplicate pieces necessary for efficient cruising
ship-otwar, . list Of which must accompany the
lp'''' 8S and also the coal ''n1'r'' must be in'lu
All the wood and carpenter work necessary to
adapt the vessel for the reception of the engines
boilers, propsuers &C., will be at the expense Of the
Navy Department, and it will furnish the usual f.
cilities and labor for hosting the machinery oD
board.
For the accommodation Of the entire steam ma,
chinery with fuel for tsn days consumption, at the
average speed at load draft Of water Of g fest In.
cudns the keel, length not to exceed 60 feet cap
be allowed in the body Of the Ship including the
dre space under the birth deck. The greatest
breadth Of this space under the beam will be At It
and the height from the timbers to the bottom OF
the beam IL feet; the area OF the section being CO..
square feet .-.s.
The weight Of all ths steam machinery, wate- in
the boilers and coal within the space gvsn and in
sluding the propeller and shsf with appendases OF
AL kinds and spare pieces, las been estimated at 735
tons Of 24O pounds. of vhca $50 tone is for coal
The distance between the main stsrn-post, and
the rudder post may be six feet if that length Is ne
oesssry for the propeller In foreandaft direction
and the depth from the load vster line to the top
the keel under the propeller viii be 2l feet. The
iength from the maiamsst to the sternpost will be
about liz feet. The Of the grsstest immersed
trsnsversed section to the deep load Line will be S6t
square feet
As auxiliary steam fngates the spsrs and rigging
VII be those OF frlSats OF the first cias CT I,S00
tons measurement
The particular arrangement Of the machinery Will
Be ieh with those whose propositions may be accept
81 ss combining the greatest number Of
the des!re 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 SiD admit.
The term' pay Insnt viii be as follows: when
onsthird Of the work prsv ded for By the contract
shall have bsen ooplsted to the satisfaction Of the
department, there shall be payment o. OF s-ft,h ot
the whole amount Of tho contract; when two-thirds
of the work shall, in like manner, be couolstsd
there shall be further payment Of one ffth whan
the ship shall have made trial trip, satisfactory to
the department, Of not less than one weak at sea-
there shall be further payment Of one fifth; and
when the chip hal have been in possessirn OF the
=
months, tie remaining sum shall be paid the rs
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 oer fs made, and must be accompanied by full
and compets specifications and drawings, which, II
desired, will be returned those whose offers may
not be accepted 1t must also be stated at what 60
tablishment the work is TO be DONE
Each proposal must bs accompanied by q gusran
tee that the contract, when awarded, Will be faith
fully performed aud the successful bidders will Be
required to enter into security for that purpose In
the sum of threeourths the amount of the contract
j. G. DORBIN,
Vl-zavttAug secretary Of the Navy.
NAVY DzrARfNkNr, July 10, 1854.
IN consequence Of various applications from differ
ent parts Of the United States, desiring an exten
sion Of time to enable maoufacturers o. machinsr,
to prepare plans and proposals to be submitted in
accordance With the terms Of the advertisement o
this department, of July l, 1853, ths time specified
In that advertisement ior the reception Of proposals.
&C.. Is extended until the LIST Of September next,