Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-08-07
STEAM MACHINERY FOR q. 8. STEAM
FRI6ATES.

NAVY DIPAHTAINf, July I, 1854.
DROPOsIIONS will be received at this derart-
L ment until the first day of August next, for the
appendages, and placing 1t board Of five suxili.
AIRY screw steam igates to be at least 256 feet in
length and Of 900 tons measurement, one of which
Is building ut each Of the United States navy yards
at Boston, New York, and Philadelphia, and two at
Norfolk.
Each Offer must be for specific sum, and include
al Pasent fees Tor 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 condeusers
machinery for hosting, yentiating, pumps, &c,
With appurtsnancos OF sii kinds, must be these
most approved for m crime engines The tools and
duplicate pieces necessary for an efficient cruising
shipotwar, list Of which must accompany the
proposal and also the coal bunksrs, must be inclu
ded. ..s
All the wood and carpenter work necessary to
adapt the vessel for the reception of the engines,
boilers, propsers, &C., viii be at the expense Of the
Navy Department, and it will furnish the usual fs-
ciities and labor for hosting the machinery on
board.
For the accommodation of the entire steam ma
chnery with fuel for ten days consumption at the
average speed at load draft Of water Of % fest in
Guiding tae keel length not to exceed 90 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 Al f.
and the height frsm the timbers to the bottom of
the beam II feet the area Of the section being e62
square feet. ..-
The weight Of all the steam machinery, water in
the boilers and coal within the space given and in
Guiding the propeller and shaft, with appendages of
all kinds and spare pieces has been estimated at 735
tons OF 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 andaft direction,
and the depth from the load wster line to the top Of
the keel under the propeller will be Il feet. The
length from the maiRmast to the stern.post will be
about liz teet. The area OF the greatest immersed
rsnsversed section to the deep losd line viii be 1855
square feet.
As auxiliary steam frigates the spsrs and rigging
tons measurement.
The particular arrangement Of the machinery will
be left with those whose propositions may be accept
cd 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 =, payment will be as follows: when
onethird OF the work prsv ded for by the contract
shall have been -cnapleted to the satisfaction of the
department. there shall be payment of one.ifth 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 SHAH be further payment of one fifth; and
when the ship hall have been in possessirn Of the
department, and performed satisfactorily for six
months the remaining sum shall be paid the 70.
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, ana must be accompanied BY full
and complete specifications and drawings, which, If
desired, will DO returned 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 and the successful bidders will DO
required to enter into security for that purpose in
the Of threefourths the amount of the contract
J. G. DOBBIN,
U 1-2awtlAug Secretary of the Navy.
NAVY DEPARTMENT, July 10, 1854.
TN consequence of various applications from differ
emit arts Of the United States desiring an extern
sion of time To ENABLE manufacturers Of machinery