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West Hendon Svimming Bath (continued)
Frequency of Changing Water Turnover period 8 hours
Method of Purification Breakpoint chlorination
Position of inlets and outlets 5 inlets at shallow end.
2 outlets at deep end.
Attendances during 1960
Adults 4,622
Children 9,550
Season Tickets 1,736
Schools 5,498
21,406
Samples taken during 1960
Satisfactory 15
The highest plate count was 36 and no coliform bacillus was found. Again the
results can be regarded as highly satisfactory.
Privately-owned Swimming Pool
Size of Pool 100' X 25'
Capacity 81,830 gallons
Source of Water Supply Metropolitan Water Board
Frequency of Changing Water Turnover period 6 hours
Method of Purification Filtered and chlorinated
Position of inlets and outlets Aerating tower at shallow end.
Single outlet in floor of pool
at deep end.
Attendances during 1960
Not known
Samples taken during 1960
Satisfactory 11
Unsatisfactory 1
12
A very minor coliform contamination (3 per 100 ml) was found on one occasion,
but all other results were highly satisfactory.
Broadfields Junior School
At the beginning of the summer terra a teaching swimming pool, which had been
constructed by the Parent-Teacher Association of this school, was opened.
65