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50
SWIMMING BATHS:
There are two swimming baths owned by the Local
Authority and one privately owned.
The purification and filtration plant at the Local
Authority's baths consists of filters of the horizontal pressure
type, together with centrifugal pumps, chlorination plant and
cascade aerators.
The total quantity of bath water can be passed through
the filters in four hours, but during slack bathing periods this
is extended to six hours.
After passing through the filters the water is injected
with ammonia gas in solution and then passes over the cascade
aerators and is finally injected with chlorine gas in solution
before passing into the bath. The use of ammonia and
chlorine gas is for the destruction of harmful bacteria and
prevention of the growth of algae in the water.
In order to assist in the cleansing and efficient working of
the filters, a coagulent and alkaline salt are introduced into
the water between the pumps and filters.
INSPECTION AND SUPERVISION OF FOOD:
1,213 inspections were made at premises where food
intended for sale for human consumption was prepared, stored
or sold.
Constant attention was given to the inspection of premises,
including street hawkers' premises, where food was offered
or exposed for sale or had been deposited with or consigned
to any person for the purpose of sale or of preparation for
sale. As a precaution against contamination of food attention
was given to the observance of cleanliness by persons employed
in food stores, both in regard to the rooms and all
articles, apparatus and utensils therein, and in regard to themselves
and their clothing. Where necessary suitable washing
basins and a sufficient supply of clean water, both hot and
cold, soap and clean towels were provided.