PAH 7 400000!
H 香港政府 GIS 新聞處
DAILY INFORMATION BULLETIN
Friday, September 8, 1972
DUST NUISANCE TO BE VIRTUALLY ELIMINATED FROM GOVERNMENT QUARRIES
The latest methods of quarrying and processing rocks are being
introduced at the two government quarries at Diamond Hill and at Mount Butler.
The modernisation will enable workers to carry out their operation
in safer working conditions and virtually eliminate the problem of dust
discharging into the atmosphere during the mixing process,
At the same time it will lead to an almost doubling in the output
of asphalt and bitumen macadam which is essential if the needs of the road
construction and maintenance programmes are to be met.
A spokesman for the Quarries Section of the Public Works Department
said today: "Modernisation of the two quarries actually began some years ago
and the whole process is estimated to be completed towards the end of next year."
"New stone crushers are being installed at Mount Butler Quarry and orders
have been placed for similar crushing plants for the Diamond Hill Quarry.".
In order to tackle the dust problem, a modern dust filtration method
using "bag" filters for the final stage of cleansing will be adopted.
About 99.9 per cent of the fine granite dust produced during the
crushing and mixing process will be extracted by the "bags", thus preventing
it from escaping into the atmosphere,
/The fine
Issued by Government Information Services, Beaconsfield House, Hong Kong. Tel: 5-233191