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for a certificate as to the remedying of defects which the landlords
had undertaken to remedy. These resulted in the issue of Certificates
(Form "P") as follows :—

Noise Abatement Act, 1960
With the growth of mechanisation in all branches of engineering
expected during the next decade an increase in the problems of
noise and vibration is to be anticipated. It has been predicted that
aircraft noise will double every five years, that the noise of traffic
will double every seven years and that machinery noise will double
every ten years. More fundamental knowledge of the mechanics of
noise is needed if control measures are to be effective.
It is for this purpose that the Medical Research Council and the
Department of Scientific and Industrial Research are giving grant
support to Southampton University's Institute of Sound and
Vibration Research which is now leading the world in the field
of basic physics and industrial acoustics and their relationship to
deafness.
Local authorities have been empowered to deal with noise or
vibration as statutory nuisances under this Act and during the year
58 complaints were received of which all but three were of a
relatively minor nature. Of the three more serious complaints, two
were in respect of industrial premises and the other arose from
construction of a new sewer on which works were being carried out
night and day.
At the end of the year investigations were continuing at one of
the industrial premises. With regard to the other two and in respect
of the majority of other complaints, satisfactory improvements
were effected.
In all, a total of 325 visits were carried out during the course of
the year by the Public Health Inspectors in connection with noise
complaints.