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45.
SIMMING BATH - CLISSOLD ROAD
The Council operates a large modern covered swimming bath, opened in
April 1930, size 100 feet by 33 feet, with the depth varying from 3 feet
to 8 feet 6 inches which is available for mixed bathing all-the-year
round. It may be hired for galas, etc.; special arrangements are made
for swimming clubs and classes of schoolchildren, from local schools,
attend for instructional purposes during school terms.
Diving facilities include 1, 2, 3 and 5-metre firm boards and a
1-metre springboard.
The Stoke Newington Swimming Club, many members of which have gained
International and National swimming honours, has its headquarters at the
bath.
Water is supplied to these premises from the Metropolitan Water
Board; this water is used for filling the swimming bath and for all other
purposes. The bath is emptied at regular periods, approximately at
yearly intervals, and contains approximately 137,000 gallons which is
filtered, aerated and chlorinated continuously with a turn-over period of
approximately 3½ to 4 hours.
Co-agulation in the three 8.6" diameter pressure filters is achieved
by the use of aluminoferric; alkalinity of the water is maintained at
pH 7.8 with bi-carbonate alkalinity at over 200 p.p.m., whilst sterilisation
is maintained by means of break-point chlorination, the dosage regulated
to maintain not less than 0.5 p.p.m. free available chlorine at the
swimming bath outlet. A chlorine residual testing unit is attached to
the outlet from the swimming bath and this unit continuously tests the
outlet water and records those tests on a chart. In addition, colorometric
tests are taken daily to determine pH, bi-carbonate alkalinity,
free and total chlorine.
During 1960, samples of water were taken from the swimming pool for
both chemical analysis and bacteriological examination. On each occasion
the results were found to be satisfactory and the water was of a high
bacteriological standard, the plate count of colonies/ml being nil and
colifoim bacilli/100 ml being nil on eachanalysis.
Sewerage
The Borough Engineer and Surveyor reported that in his opinion the
arrangements for sewerage and sewage disposal were reasonably adequate
and that he did not envisage any dif ficulty in the immediate future.