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6
temperature of the water from the water company's mains will have to be raised 25
degrees Fahrenheit during these three months. This would involve 60,000 lbs. of
steam being utilized on each evening to so raise the temperature of the bath water.
There are eight hours available in which to empty, clean and fill the ponds, of which
six hours would be utilized for filling and heating; this would involve a supply of
steam equal to 10,000 lbs. per hour.
"Sixty theusand pounds of steam per night for 90 days would involve the burning
of about 300 tons of coal. During six weeks in spring and autumn respectively
bordering on the summer months the ponds might require to be filled 45 times, and
on the same basis as before this would involve the burning of about 150 tons of coal.
"For the remaining six months in the year the large pond would not be used at
all, and the smaller pond would have its water renewed twice in a week, but during
these winter months the water in the supply company's mains would be colder than
in the summer time, and therefore the water would require to be raised in temperature
say 35 degrees Fahrenheit. These 35 degrees would require 35,000 lbs. of
steam in six hours as before, or say 6,000 lbs. of steam per hour. Assuming on the
above basis that the small pond has to be filled 45 times in the winter months, this
would involve the burning of about 100 tons of coal.
"In addition to the fuel so consumed a further small amount will be required for
maintaining the temperature of the pond after filling, whether it is accomplished by
live steam injected into the water, or by circulation through a heater.
SLIPPER BATHS AND WASHING TROUGHS.
"There are 75 slipper baths, which if used as often as possible would be re-filled
twice in an hour. Each bath takes 20 gallons of water, and if filled twice in an hour
would take 40 gallons. Assuming that this maximum rate of usage were kept up for
an average of 10 hours per day, the 75 slipper baths would use 30,000 gallons of hot
water per day.
"There are 50 washing troughs taking 25 gallons of water for a charge, assuming
that they too were used twice in an hour each washing trough would take 50 gallons
of water per hour, and on the previous assumption that this maximum rate would be
maintained for 10 hours per day, the 50 washing troughs would use 25,000 gallons per
day.
Slipper Baths 30,000
Washing Troughs 25,000
55,000
“To raise 55,000 gallons of water from the normal temperature of the supply
company's mains to 150 degrees Fahrenheit would involve the use of 60,000 lbs. of
steam, which divided over the 10 hours assumed would mean 6,000 lbs. of
steam per hour. The production of this 60,000 per day for 300 days per annum
means a consumption of about 1,000 tons of coal per annum.
'The above calculations as to fuel take no consideration as to steam required to
heat the drying horses, or the boiling coppers, or maintaining the temperature of the
swimming ponds, or heating such parts of the building as require it during winter
time. It is somewhat difficult to ascertain what amount of steam would be required
for this, but believe it to be small, and have taken it as involving a consumption
of 200 tons of coal per annum.