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ompressors, direct connected to two Simple Condensing Una-flow Engines; also two generators, two cooling tower water pumps, two air compressors, switchboard, etc. All to be equipped with the latest labor and power-saving devices.
Equipped as above, 25 tons of refrigeration can be easily obtained from one ton of ordinary 12,500 B T U coal. 1.8 ton of refrigeration is required to produce one ton of ice including the required cooling of storage house.
Assuming one month's shut-down for inspection and repairs, the total output of 160 tons of ice for 333 days amounts to 53,280 tons of ice.
ENGINE ROOM AND ICE PLANT LABOR COST:
Total per day $ 44.00
Additional labor cost for putting 12,000 tons into winter storage and taking out at .00 per day $ 1,200.00
Total Labor Cost $ 17,260.00
Engineers will do their own firing of boilers and will pull all the ice. One pull required every 43 minutes.
OFFICE EXPENSE:
Stationery, Telephone, etc. $ 300.00
Total Office Expense $ 3,300.00
Cost of Ammonia at 2 cent per ton $ 1,065.60
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