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The following details of sewer treatment have been provided
by the Borough Engineer and Surveyor. In April/May, 1955, a
10% test bait of sewer manholes was carried out. 341 manholes
were baited and there were 51 partial "takes." In the treatment
which followed 292 manholes were baited when there were no complete
"takes" but 76 partial "takes." The corresponding figures
for the 19th Maintenance Treatment carried out in September/
October, 1955, were — manholes baited 282, complete "takes" 1,
partial "takes" 30.
No new developments in poisoning technique were introduced
during the year but Warfarin which was used very extensively during
1954/55 has continued to produce good results.
12. 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 27,800 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 776 tons.
Refuse Disposal.
Refuse is disposed of by a Separation and Incineration Plant
which has handled 28,600 tons. Salvage materials amounting to
3,212 tons were sold for £18,970.
Waste Food Plant.
The amount of kitchen waste collected in Wembley was 2,167
tons, which was processed and sold as concentrated kitchen waste
for animal feeding.
Street Cleansing.
A new system of street sweeping by the use of pedestrian controlled
electric trucks, each with an operator and four street orderlies,
was introduced during the year. This new method has increased
the frequency of sweeping to at least once every seven days.
Public Conveniences.
The use of the free washing facilities at the two staffed Conveniences
in the Borough increased considerably during the year.
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