Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-07-15
STEAM MACHINERY FOR q. S. STEAM
ERIGATES,
NAVY DEPARTMENT, July I, 1854,

| NAVY DEPARTMENT, July I, 1854.
| DROPOS1TIONS will be received at this depart
Il ment until the first day Of August next for tn,
compete construction Of the steam machinery an6
appendages and placing it on board of FIVE auxili
ary screw steam frgates, to be least 255 feet il
length, and of 5000 tons measurement of which
Is tuildng at each of the United States navy yards
ct Boston, New York. and Philadelphia, and two al
Nerfolk.
Each Offer must be for specific sum, and include
| all patent fees for any Arrangement that NAV be
proposed, and must state the period within which
the work can be completed.
The boilers to be of iron, with talescons chin,
neys; the propeller, with the xons for hoist
ing up, of composition The fresh water condensers
machinery for hosting, ventilating, pumps &C.
| With appurtenances OF all kinds must be those
most approved for m 'rine engines. The tools and
duplicate pieces necessary for an efficient cruising
| ship-of-war, list of which must accompany the
proposal and also the coal bunkers must be nclu-
| ded.
All the wood and carpenter work necessary to
adapt the vessel for the reception of the engines
boilers, propeers, &C., will be at the expense of the
Navy Department, and 1t will furnish the usual fa-
cillties and labor for heisting 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 % fest in
Guiding the keel length not to exceed 80 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 Al it,,
and the height frem the timbers to the bottom OF
the beam II feet the area of the section being 662
square feet
the boilers and coal within the space given, and in
cuding the propeller and sh8ft, with appendages of
all Kinds and spare pieces has been estimated at 735
tons OF 2iO pounds, OF which $50 tons is for coal.
The distance between the main stern-post and
the rudder post may be Elk feet if that length is ne
cessary for the propeller in fore and aft direction
and the depth from the load water line to the top of
the keel under the propeller will be Il feet The
ha ms fhn yNac{ 10
about liz feet. The of fhe greatest immersed
transversed section to the deep loaa win be s65
square feet.
AS auxiliary steam frigates the spsrs and rigging
will be those Of frigate of the first Glass; of $500
tons measurement
The particular arrangement of the machinery will
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 will admit.
The terms Of payment will be as follows when
one-third of the work provided for by the contract
shall have been completed to the satisfaction of the
department, there shall be payment of oneffth of
the whole amount OF the contract; when two-thirds
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 fifth; and
when the ship thall have been in possessrn 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 Is made and must be accom- psnied by full
and complete specifications and drawings which, if
desired, will be returned 20 those whose offers may
not BE- 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 contract, when awarded will be faith.
fully performed, the successful hiilprS will he
required to enter into security for that purpose in
the of threefourths the amount of the contract
j. G. DOBBIN,
jy l-2awtlAug Secretary of the Navy