Daily evening star. [volume] (Washington [D.C.]) 1852-1854, 1854-07-20
STEAM MACHINERY FOR q. 8. STEAM
- FRI9ATES

| NAVY UEPAhTNkNT, July !. 1904.
| DROPOSITIONS will be received at this depart
L ment until the first day OF August next, for thu
| complete construction of the steam machinery ant
| appendages, and placing it on board Of five au1ili
ary screw steam igates, to be at least 255 feet In
length, and Of 900 tons measurement one of which
is tuldng at each Of the United States navy yards
at Boston, New York, and Philadelphia, and two a
Nerfolk.
| all patent fees for any arrangement that may be
proposed, and must state the period within which
the work can be completed. Li
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 condensers
machinery for hosting, ventilating, pumps, &C.,
With appurtsnances OF all kinds, must be these
| most approved for m arine engines. The tools and
ship'otwar, q list of which must accompany the
proposal and also the coal bunkers, must be inclu-
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. ard 1t will furnish the usual fa-
cilities and labor for hosting the machinery on
board. o.. : 81 :
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 % fe,t in
cnding the keel length not to exceed 60 feet can
be allowed in the body of the ship, including the en-.
breadth Of this space under the beam will be II IT,.
and the height from the timbers 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 shsf with appendages of
all kinds and spare pieces has been estimated at 1856
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 and aft direction
and the depth from the load water line to the top Of
the keel under the propeller will be 21 feet. The
leagth from the manmast to the stern-post will be
about liz feet. The area of the greatest immersed
transveIsed section to the deep load line will be 1856
square feet.
AS auxiliary steam figates the spars and rigging
will be those Of frgate of the first class, Of 1S00
tons measurement.
The par .icular arrangement of the mac inery will
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
The terms Of payment will be a. follows: when
one third Of the work provided for by the contract
shall have been completed to the satsction Of the
department there shall be payment of one fifth 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 week at sea.
there shall be q 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 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 made, and must be accompanied by full
and complete specifications and drawings, which, il
desired, will be returned those whose offers NAV
not be accepted 1t must also be stated at what es
| tablishment the work is to be done. g
Each proposal must be accompanied by guaran
tee that the contract, when awarded, viii be faith
fully performed, and the successful bidders win be
required to enter into security that purpose IL
the sum Of threeourths the amount OF the contract
!. .r,.;r - r j. e. DOBBIN,
jy l-2awtlAug Secretary of the Navy.