Зображення сторінки
PDF
ePub
[blocks in formation]

STORAGE BATTERY.

This contractor shall furnish and erect,

complete in all its details, the following

storage battery plant.

The cells shall be of the

type. 193. Type.

The capacity of the battery shall be at 194. Capacity. least equal to a steady discharge at the

rate of

amperes for

consecu

tive hours and it shall be capable of withstanding a maximum discharge at the

[merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small]

(Note.-Describe method of erecting.) 196. Erection. (Note.-Specify and describe connec- 197.

Connections.

tions for charging and discharging; switches for throwing entire battery or single cells in and out; devices for keeping the potential constant on discharging circuits; connections for testing; and any special devices and apparatuses desired.) Each bidder shall incorporate in his 198. Guaran

tees.

proposal such guarantees as he desires to make as to efficiency, life and cost of maintenance and repairs.

199. Summary. Each bidder shall fill out completely

[merged small][ocr errors][merged small][ocr errors][merged small][ocr errors][ocr errors]

STEAM PLANT.

tion for Steam Plant.

(Note.--This specification will be found 200. Specificaapplicable to many central station plants up to 200 h. p. or 300 h. p., and for isolated plants where the conditions imposed by municipal and insurance regulations, considerations of the utilization of exhaust steam, or of combining a heating and power plant, and questions of a similar nature do not require special attention.

The forms of Warning, Preamble, and General Specification are, with but slight changes, also adapted to this specification.)

This contractor shall furnish and erect, complete in all its details, the following steam plant:

[blocks in formation]

This

These

developing

engine(s) shall be capable of

indicated horse-power

with - pounds initial steam pressure

202. Fittings.

[merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small]

The variation in speed from no load to full load shall not exceed

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

They

{They

shall operate noiselessly and

without vibration when set on (a) suitable fcundation(s) and properly piped.

а

Each
The

engine shall be provided with

(foundation plate,

full height foundation box,

} founda

« НазадПродовжити »