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SMOKE ABATEMENT.
During the year 154 observations were made, resulting in five nuisances being proven in
connection with four premises.
The policy adopted has been on the lines of offering advice in the elimination of the
nuisance rather than by legal action to obtain abatement, and this has been attended with a fair
measure of success.
In one case where a nuisance was proven, the chimney stack was raised an additional six
feet to improve the draught, and a grit arrester and patent automatic ventilating door fitted to
the furnace. In another case a large boiler was installed and a new high brick chimney substituted
for a short metallic one. At one other premises a larger boiler was provided to meet the needs
of business expansion and in the remaining case experiments with a mechanical stoker were still
being carried out at the end of the year. Some of the owners of steam raising plants are now
using a smokeless fuel such as coke, in place of raw coal, and where the demands on the plant
are fairly constant and not excessive, no trouble from grit, etc., has been experienced when using
such smokeless fuel.
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