A fair average would be $35,000.
The ratio of constructions could be fairly placed as follows, putting
electricity as 1, by taking the average of the three methods at
$16,732: Horse road, 0.53; cable, 2.09.
Unquestionably a great majority of roads of the past have not been
constructions of engineering, and of all places requiring care, skill,
and engineering, the street roads are the places.
5th. Cost of operation.
A fair figure for cost of one horse for one year is $220.
For electricity, allowing 35 per cent. loss in transmission, etc.,
1.54 horsepower would be the work done by engine to get 1 horse power
on the track. There are to-day plenty of steam plants producing 1
horse power for work at from $30 to $50 per annum. Take the average,
$40. With electricity then $65 would well represent the price of
producing 1.54 horsepower.
With cable these figures would hold true, but more work is required. A
greater loss is entailed. Since but 32 per cent. is recovered, the
figure for 1 horse power on the track would be 2.
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