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During the year eight plans were examined for this purpose.
In every instance the original proposals were unsatisfactory
but the proposed chimney heights were increased after consultation
with the parties concerned or the method of heating was
changed to one for which a low chimney was adequate or indeed
no chimney at all was necessary.
(c) New Furnaces.
Nine notifications under Section 3 of the Clean Air Act
were received regarding the installation of new furnaces but no
applications for prior approval were made.
(d) The Dark Smoke (Permitted Periods) Regulations, 1958.
These Regulations lay down the maximum periods for which
dark and black smoke may be emitted from industrial furnaces.
Three contraventions were observed and as will be seen on
Page 23 proceedings were taken in two instances. In the case
in which an incinerator was involved the Company subsequently
stopped burning their industrial waste and made arrangements to
dispose of it on a controlled tip. In the other case the firm
installed chain grate stokers and found that the economies
effected by this virtually smoke free plant would pay for the
cost of conversion in three years.
(e) Grit and Dust.
Little progress can be reported on the two cases mentioned
last year. Although no complaints have been received it is considered,
by reason of the type of fuel used and the method of
firing, that neither of these furnaces complies with Section 3
of the Act requiring the emission of dust and grit to be minimised
and efforts will be continued with a view to grit arresting
Plant being installed.
(f) New Building Byelaws re Heating and Cooking Appliances.
A new building byelaw, made under Section 24 of the Clean
Air Act, has been in force in this district from the 1st
September, 1957. It requires that new dwellings should be provided
with heating and cooking appliances which are suitably
designed for burning gas, electricity, oil or solid smokeless
fuel.
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