Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-07-19
STEAM MACHINERY FOR q. s. STEAM
ERIGATES,

| .--- navy DEPARTMENT, July ], 1854.
| PROPOSITIONS will be received at this depart
l. ment until the first day of August next for III,
| complete construction Of the steam machinery ane
appendages, and placing it on board of five auxili
ary screw steam gates, to be ct least 255 feet In
length, and of 5000 tons measurement one of which
is building at each of the United States navy yards
at Boston, New York, and Philadelphia, and two al
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 can be completed.
The boilers to be of iron, with telescope chin
neys; the propeller, with the connexions for hoist
ing up, of composition The fresh water condensers
machinery for hoisting, ventilating, pumps, &C.,
| With appprtsnances OF all kinds, must be these
most approved for m 'rire engines. The tools and
duplicate pieces necessary for efficient cruising
ship-of-war, list Of which must accompany the
ded. ' ~ '''0 '.'' wa '--''' A"S' 70 'l'' u
AL the wood and carpenter work necessary to
adapt tho vessel for the reception of the engines
boilers, propeers, &C., will be at the e4pense Of the
Navy Department, and it will furnish the usual IA
cities and labor for hcisting 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 %
Guiding the keel length not to exceed 60 feet can
allowed In the body Of the ship, including the
breadth of this space under the beam will be Al #
and the height fren the tirnbers to the bottom Of
the beam II feet the of the section being 662
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 appeniages of
all kinds and spare pieces has been estimated ct 1856
tons 24O pounds, OF which $50 tons is for COAL
The distance between the main stern-post, and
the ruddcr post may be six feet if that length is
cessary for the propeller in fore and aft direction
and the depth from the load wster line to the top of
the kael under the propeller will be Il feet. The
ip npth from tt fho 10
about liz feet. The 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 frjgate ofthe first Glass; Of 1880
tons measurement
1he 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
q g1eatest 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
onethird of the work prsy ded for by the contract
shall have been completed to tine satisfaction Of the
department., there shall be payment of onafth of
the whole amount of the contract; when twOthirds
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 ct sea,
there shall be further pay ment of one fth; and
when the ship hall have been in possessrn of the
department, ani performed satisfactorily for six
months, the remaining sum ehan 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 accompanied by full
and complete specifications and drawings, which, If
desired, will be returned those whose offers may
not b. 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 be
required to enter into security for that purpose in
the Of threefour the amount of the contract
j. q. DOBBIN,
jy yl-2awtiAug Secretary of the Tavy.