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revclutions per minute, with —— lbs. initial
steam pressure (above the atmosphere),
lbs. back pressure, and cutting off at
stroke. When operating at its full rated load
under normal and regular working conditions

{each engine shall be guaranteed not to

S

exceed a steam consumption of

lbs. of dry steam per brake h. p. and per hour. The speed variation between no load and full load shall be guaranteed not to exceed

Each

per cent.

The engine shall be provided with
S

pulleys

a band flywheel (

face.

in diameter by

All material and workmanship shall be of the highest grade; all parts accurately made to standard gauge and interchangeable; all moving parts carefully balanced; all valves and packing free from leakage.

S They
It

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shall operate noiselessly and with

out pounding or vibration when set on suita-
ble foundation.

$12

109

(Each) The S engine shall be provided with all 195. Fittings. necessary foundation bolts and plates, lubricators, oil cups, cans, drips, guards, collectors, steam and exhaust valves, safety cocks, etc., and a full set of wrenches and spanners.

196. Oil Fil

ter(s).

197. Painting.

198. Foundations.

Also with the necessary pipes, valves, and attachments, permanently connected with the engine, for taking indicator cards from both ends of the cylinder (at once). Indicators to be furnished by (the purchaser).

of

oil filter(s) (each) having a capacity

(As required.)

The foundation(s) for the(se) engine(s) shall

be built by the

contractor

purchaser

of ——, laid

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and shall be of sufficient length, width and depth to safely and firmly sustain S their

its

weight and all strains to which

they are } subjected. All necessary exca

it is

vating or filling and the removal of all débris.

shail be done by the {contractor;

the height

The

purchaser; S of the floor line above the ground is foundation(s) shall be surmounted by (a) neat capstone(s) of upon which the engine(s) shall be placed. (If capstones are not specified, each engine should be provided with an iron sub-base or bed plate.) The foundations shall be of such height that the driving pulley (s) (clear of)

will swing

below

} the floor

(Character of the soil should also be specified.)

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205

(Note. If this contractor furnishes plant 199. Starting complete, this section can be put before final

Plant and Instruction.

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operation

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(they shall be run for a period
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days by competent engineers furnished
All oil, waste, etc., and a

by the contractor.

sufficient supply of

dry steam

a suitable fuel be furnished by (the purchaser).

will

This contractor shall also give all necessary instructions to the engineer of (the purchaser) for the proper care, maintenance, and opera

tion of the engine(s), } such instructions

plant,

to be given during the trial period stipulated above.

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by

in width

in length, and capable of transmitting

horse-power at a belt speed of

Such renewal parts as it is advisable to keep 201. Renewal on hand, adding hereto an itemized list of

same.

Parts.

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(See Note.-p. 47, sec. 27.)

Each bidder shall fill out completely the following summary:

Number of engines

Size of cylinder

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Diameter of steam pipe

Diameter of exhaust pipe

Floor space

Brake horse-power at -- revolutions,

initial steam pressure,

-back

pressure, cutting off at stroke

Speed

Variation between no load and full

load

Number of pulleys

Dimensions of pulleys

Steam consumption per brake horse

power and per hour

of

in diameter.

turned steel

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hammered iron shafting
etc.,

(floor stands,

drop hangers,

post hangers,

pedestals, etc.

complete with adjust

able, (self-oiling) boxes, base plates, bolts,

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tapped for set screws

provided with key seats (

for the pulleys specified below, and (provided)

with all necessary collars, guard rings, etc.

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set screws.

key seats and keys. Pulleys to be in diameter by face, and capable of trans

mitting horse-power at

revolutions.

arm, balanced friction-clutch pulleys, in diameter by face, and capable of transmitting horse-power at revolutions. Each pulley to be provided with a shifter rig, to be operated from -The clutch must pick up the load without shock or jar, and the shifter rig must be positive in its action, not liable to get out of order, free from any tendency or liability to be thrown in or out accidentally.

(—— friction-clutch couplings, cut-off couplings, compression couplings, plate couplings, jaw clutches, etc.)

tions.

(Note.-Specify character of foundation 205. Foundaupon which shafting is to be placed, whether special foundations of brick or stone, floor timbers, wails, ceilings, posts, etc.)

horse-power.

front boiler(s) (each) rated at 206. Boiler(s).

The boiler(s) shall contain not less than

of effective heating surface and

of grate area per rated horse-power. The

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