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50
householder in a sanitary dust bin in an easily accessible position
and is collected during the day. The quantity of refuse
collected varies considerably, the minimum being in the summer,
when on some days (excluding Saturdays) only 22 tons have
been collected, whilst in the winter as many as 65 tons have
been collected in one day.
From 1st of January to 31st December, 1910, 11,120 tons
of refuse have been collected.
The nature of the refuse also varies considerably. In the
summer its calorific value is very poor, as it consists chiefly of
garden refuse, but in the winter this is somewhat improved,
owing to the refuse containing a large percentage of ashes.
When a test was carried out to ascertain the calorific value of
the refuse, it was found that 1-lb. of refuse evaporated 1.25-lbs.
of water.
The whole of the refuse is carted to the Council's Destructor
where it is tipped into large covered storage bins prior to its
being destroyed by burning. The temperature of the gases in the
combustion chamber has been found to be 2090° Fah. After
burniug there is a residue of clinker amounting to about 25%°'
the original bulk, this clinker is either crushed in a crushing
machine for concrete or slab making purposes, or it is used
uncrushed for hardcore.
At present the steam generated is used for driving the
engines, pumps and clinker crushing plant; it is also used for
heating the Isolation Hospital, being conveyed there by means
of a 3-in. main 900 feet long.
HOUSE-TO-HOUSE INSPECTION.
Under Section 17 of the Housing and Town Planning Act
of 1909, it shall be the duty of every local authority within the
meaning of Part II of the Housing of the Working Classes Act,
1890, to cause to be made from time to time inspection of their
district, with a view to ascertain whether any dwelling house