Government Quarries
6.64 The Government quarries at Diamond Hill in Kowloon and Mount Butler on Hong Kong Island are operated by directly-employed labour to produce bitumen-coated stone for the Civil Engineering and Highways Offices and aggregates for P.W.D. and for sale. Diamond Hill Quarry has a plant producing ready-mixed concrete which is mostly used for lean concrete for road works. In response to increased demand, production of crushed stone increased by one-third over 1971-72. Production of bitumen-coated materials remained at last year's high level but by the end of the year demand was exceeding production capacity.
6.65 Modern high-capacity crushing plant to replace some of the old crushers and augment the rest of the plant was purchased for Mount Butler Quarry and plans were made to install it. Plans were finalized for similar new crushing plant at Diamond Hill Quarry and were in hand for new asphalt-mixing plant to replace old plant and increase production capacity of bitumen-coated materials there.
Private Quarries
6.66 The six private quarries operated on Government contracts increased production. In accordance with plans to replace small quarries, held on short-term permits, with quarries held on long-term Government contracts and operated on a large scale, tenders were called and a contract signed for the right to quarry stone at Cha Kwo Ling combined area for a ten-year period. The area is at present operated as two contract quarries and the new contract will take over and operate one large-scale quarry in the area as from mid-1974 when the present quarries' contract periods expire.
6.67 Of the six quarries still operating on short-term Crown Land Permits at the end of 1971-72, two were closed, three were reduced to continuing on a month-to-month basis and new permit conditions, limiting quarrying operations, were included for the sixth.
6.68 Production continued to be supplemented by ancillary crushing plants processing the stone extracted in levelling development sites.
Sand Monopoly
6.69 Building sand is sold to the public through the Sand Monopoly at a standard price, which remained at $16.50 per cubic yard
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Government Quarries
6.64 The Government quarries at Diamond Hill in Kowloon and Mount Butler on Hong Kong Island are operated by directly-employed labour to produce bitumen-coated stone for the Civil Engineering and Highways Offices and aggregates for P.W.D. and for sale. Diamond Hill Quarry has a plant producing ready-mixed concrete which is mostly used for lean concrete for road works. In response to increased demand, production of crushed stone increased by one-third over 1971-72. Production of bitumen-coated materials remained at last year's high level but by the end of the year demand was exceeding production capacity.
6.65 Modern high-capacity crushing plant to replace some of the old crushers and augment the rest of the plant was purchased for Mount Butler Quarry and plans were made to install it. Plans were finalized for similar new crushing plant at Diamond Hill Quarry and were in hand for new asphalt-mixing plant to replace old plant and increase production capacity of bitumen-coated materials there.
Private Quarries
6.66 The six private quarries operated on Government contracts increased production. In accordance with plans to replace small quarries, held on short-term permits, with quarries held on long-term Government contracts and operated on a large scale, tenders were called and a contract signed for the right to quarry stone at Cha Kwo Ling combined area for a ten-year period. The area is at present operated as two contract quarries and the new contract will take over and operate one large-scale quarry in the area as from mid-1974 when the present quarries' contract periods expire.
6.67 Of the six quarries still operating on short-term Crown Land Permits at the end of 1971-72, two were closed, three were reduced to continuing on a month-to-month basis and new permit conditions, limiting quarrying operations, were included for the sixth.
6.68 Production continued to be supplemented by ancillary crush- ing plants processing the stone extracted in levelling development sites.
Sand Monopoly
6.69 Building sand is sold to the public through the Sand Mono- poly at a standard price, which remained at $16.50 per cubic yard
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