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The following details of sewer treatment have been provided by
the Borough Engineer and Surveyor. In February, 1957, a 10%
test bait of sewer manholes was carried out; 370 manholes were
baited and there were 27 "takes." In the treatment which followed
(No. 22 February/March) 296 manholes were baited and there were
88 "takes." Treatment No. 23 was carried out in July, 1957
(manholes baited 135, "takes" 22) and No. 24 in November (manholes
baited 40 and " takes" 4).
No new developments in poisoning technique were introduced
during the year and Warfarin has continued to produce good results.
11. PUBLIC CLEANSING. The Director of Public Cleansing
has kindly supplied the following information:—
Refuse Collection.
House and Trade refuse is collected weekly, with the exception
that refuse from certain blocks of flats is collected twice weekly.
The amount of refuse collected during the year was 28,610 tons.
The separate collection of waste paper from business premises
free of charge has been maintained. The amount collected from
this source during the year was 750 tons.
Refuse Disposal.
Refuse is disposed of by a Separation and Incineration Plant
which has handled 29,660 tons. Salvage materials amounting to
3,491 tons were sold for £19,530.
Street Cleansing.
The new system of street sweeping by the use of pedestrian
controlled electric trucks, each with an operator and four street
orderlies, continues to give a frequency of sweeping of at least once
every seven days.
Public Conveniences.
The increase in use of the free washing facilities at the two staffed
Conveniences in the Borough has been maintained during the year.
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