Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-07-12
STEAM MACHINERY FOR Q. g., STEAM
-. - FRI8ATES --

NAVY DEPARTMENT, July 7, 1854.
PROPOSITIONS will be received at this depart
L ment until the first day of August next, for the
complete construction Of the steam machinery AID
appendeges, and placing 1t on board of Ave eu4ii
ary screw steam fgates, to be at es,t 25o feet in
length and of 1900 tons measurement, one Of which
is tuilding at each CT the United States navy yards
at Boston, New York, and Philadelphia, and two at
NertolS. I'd
Each offtr must he for specific sum, and include
ell patent fees for any arrangement that may be
proposed, and must state the period within which
the work cs n be completed.
The boilers to be of iron, with telescope Chin
neys; the propeller, with the connexions for hoist
cg up, of composition. The fresh water eodecsers
c.a:hinery for hosting, ventiletin,, pumps, &C.,
With appurtenances OF all kinds, must be these
most approved for M .rine engines. The tools and
duplicate pieces necessary for efficient cruising
shipofwar, a list Of which must accompany the
proposal and also the coal bunkers, must be iuclu
ded -s
All the wood and carpenter work necessary to
adapt the vessel for the reception of the engines
boilers, prorelers &c. will be at the pcnse OF the
ciliiies and labor for hosting the machinery On
board.
For the accommodation of the entire steam ma
chinery with fuel tor ten days consu mp;ion a. the
average speed at load draft of water of G te It. il
cluding the Keel length not to exceed 81 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 wilt be II f..
and the height fron the timbsrs to the bottom Of
the beam II feet; the area OF the section being sS2
square feet
The weight Of all the steam machinery, water in
the boilers and coal within the space given, and in.
cudinz the propeller and shaft, with appenaages Of
all kinds and pieces has been estimated at 76
tons OF 2,24O pounds, OF wcn ESQ tons is for coal.
=, The distance between the main sternpost and
the ruider post MAJ be six feet, if that length is ne
cesssry for the propeller in fore aniaft direction,
and the depth from the load w.ter line to the top Of
the keel under the propeller will be q feet The
10 ngth from the msiamast to the sterapoet will be
about liz feet. The area of the greatest immersed
t,ansversed section to the deep load line will be S65
square feet. .'
AS auxiliary steam frigates the spars and rigging
Will be those Of frigats of tho FIRST csss of 500
tons measurement. ...--
The particular arrangement of the m,c. inery will
5e left with those hose propositions may bs accept
90 as combining the greatest number of advantages;
the desire of the department being to obtain the
gi satest 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
onsthird of the work prsyide for by the contract
shalt have been completed to the satisfaction of the
department there shall be payment of one fifth of
ths whole amount Of the contract; when .wo-thir1s
of tbs 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
tie department, of not less than one week at sea,
there shall be further payment CT one fifth; and
when the ship hail have been in posseSsirn of the
department, and performed satisfactorily for six
months, the remaining sum shsll be paid; the re-
pairs necessary during this period, from defective
workman nship and MATERIAL icing at the expense Of
the contractor.
Each proposal must specify the ship for which
the offer ia made, and must be accompanied by full
and complet. specifications and drawings which, if
desired, will be returned those whose offers may
not bs accepted 1t must also be stated at what es
tablishment the work is to be done. - ---
Each proposal must be accompanied by guaran-
tee that the coutr:ct 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 threefurths the amount of the contract
J.C. DOBBIN,
jy l-2awtlAug Secretary of the Gavy.