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(a) Any furnace served by a chimney other than a chimney the
construction of which was begun or the plans for which were passed
before the commencement of this section;
(b) Any furnace the combustion space of which has been increased
since the commencement of this section; and
(c) Any furnace the installation of which was begun after the commencement
of the section and which replaces a furnace which had a smaller
combustion space.
The class of furnaces referred to are as follows:-
(a) Burn pulverised fuel;
(b) Burn at a rate of 100 lbs. or more an hour any other soild matter; or
(c) Burn at a rate equivalent to 1½ million or more British Thermal Units
an hour, any liquid or gaseous matter.
Howevers there are many furnaces which do not come within the categories
as described that serve existing chimneys which are too low. It is hoped
that the legislation will be amended to include the replacement of these
furnaces so as not to perpetuate the discharge of flue gases at comparatively
low levels.
Many new gas-fired furnaces are now being installed. The existing
Government Memorandum on chimney heights is only applicable to plant burning
oil or solid fuel which contain small but appreciable amounts of sulphur.
Gas contains neglible amounts of sulphur and the criteria for calculating
chimney heights based on the sulphur content of fuel in the present Memorandum
are not applicable.
It is hoped therefore that the Working Party set up by the Minister of
Technology will soon be in a position to make recommendations on the
heights of chimneys serving gas-fired furnaces.
Clean Air Act 1956 Section 3 Sub-Section (2)
Notification to install new furnace
Oil fired furnaces 5
Gas fired furnaces 15
Clean Air Act 1956 - Section 3 (3)
Application for prior approval to the installation of new furnaces
Applications received 4
Applications approved 4
Clean Air Act i968 Section 6
Application for the approval of chimney height
Applications received 2
Applications approved 2
Inspections and Supervision of Food
Premises
During the year 2,942 inspections were made at food premises, stalls
and markets and at 122 of these, conditions contravening the Food Hygiene
(General)Regulations were found.
No exemption certificates were granted by the Council in connection with
the Regulations during the year.
B.21