Зображення сторінки
PDF
[table][table]

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. 103

The capacity of the battery shall be at capacityleast equal to a steady discharge at the rate of amperes for consecutive hours and it shall be capable of withstanding a maximum discharge at the rate of amperes for consecutive hours without injury.

The total number of cells shall be ^oSSfSSd . They shall be arranged in voltage.

series of cells each and so connected that they can be discharged at a practically uniform potential of volts.

(Note.—Describe method of erecting.) 196- Erection.

(Note.—Specify and describe connec- 197*tl<ne0' 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-£TMran" proposal such guarantees as he desires to make as to efficiency, life and cost of maintenance and repairs. minute, and must be designed in all I its'

199. Summary.

Each bidder shall fill out completely the following summary:

Number of cells . . . . . .

Number of series

Dimensions of each cell ....

Weight of each cell complete .

Rated capacity in ampere-hours .

Normal voltage each cell . . .

Normal discharging rate . . .

Maximum safe discharging rate .

Normal charging rate ....

Maximum safe charging rate . .

STEAM PLANT. —This specification will be found 200. specmoa.

applicable to many central station plants up to 200 h. p. or 300 h. p., and for isolated plants where the conditions imposed bymunicipal 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:

[merged small][merged small][merged small][merged small][graphic]
[graphic]

[parts to develop this power for

indefinite periods.
The variation in speed from no load to

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.

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

full load shall not exceed

per cent.

[graphic][merged small]
[merged small][merged small][graphic]
« НазадПродовжити »