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informally and they moved the entire plant to another position on
the premises so that part of the building acted as a baffle.
In another instance a wood working firm using mechanical saws
and planing machines moved from their existing factory, which was
in close proximity to houses, to another more remote. It is an axiom
that the most effective method of suppressing noise is at its source
but the strident note of mechanical saws cannot be suppressed in
this way and the only possible means of alleviating conditions is by
iining the building with suitable acoustic material and keepng al)
openings to the factory closed. Lining whole buildings is a costly
procedure and during hot weather doors and windows of factories
are opened providing a route to the open air which offsets any
interior acoustic control.
10. SEWERAGE AND DRAINAGE. The Church Lane
scheme prepared by the Borough Engineer for the relief of surface
water and soil sewage flooding was commenced in 1955 and completed
early in 1956. Two relief sewers, one soil and one surface
were constructed, which should obviate any further flooding in the
area served. The soil sewer discharges into the Middlesex County
Council trunk sewer and the surface water sewer discharges into the
River Brent.
A similar scheme has been prepared for the relief of flooding in
the Preston Park area but the work has not yet been commenced.
Two cesspools remain in the district, both of which receive only
drainage from sports pavilions which are too remote from sewers
for the premises to be connected.
All dwelling houses are provided with water closets connected to
the Council's sewers.
11.. RODENT CONTROL. The Rodent Control Service
which is confined to dealing with infestations by rats and mice has
continued to operate during the year under review. A staff of three
"Ministry trained" assistants has performed the necessary work.
No charge is made to householders in respect of treatment at private
dwelling houses but in all other cases a charge is made on a time
and materials basis. 759 premises were found to be infested, 744
premises were satisfactorily treated by the Council and 12 premises
were treated privately.
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