PUBLIC WORKS AND UTILITIES
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at Lung Cheung Road. 4.9 acres were formed at Tai Kok Tsui for a ferry and bus concourse, 0.6 acres at Tong Mi Road for a road extension and 10.8 acres at Kai Tak as part of the total of 33.1 acres completed to date as concrete apron for the airport.
On Hong Kong Island, reclamation continued with the formation of 11 acres of land at Wan Chai, six acres at Chai Wan and one acre at Sandy Bay. At Wong Chuk Hang 0.75 acres of terraced sites were formed for government low-cost housing, and at Hing Wah, 4.5 acres were formed for a resettlement estate.
In the first stage of the new town at Castle Peak, a further 20 acres of land were formed by cutting and filling. 9,000 feet of new roads were constructed; 3,000 feet of main storm water drains and 10,500 feet trunk sewers were laid. A multiple pipe inverted syphon to carry sewage across the river channel was nearing completion, and work was well advanced on the submarine sewer_outfall, pumping station and sewage screening plant at Pak Kok Tsui. Work also continued on the remaining site formation, roads and drains.
A start was made on the first stage of the new town at Sha Tin, with 10.9 acres of land being reclaimed for government housing and the Sha Tin by-pass road.
11
QUARRYING
The increase in private building in 1970 caused a temporary shortage of crushed-stone aggregates resulting in an overall rise in price, which in turn stimulated production of this material in existing quarries generally. Contract quarries are operated in accordance with government's policy of concentrating stone pro- duction in large quarries let under long-term contracts. There are now five such quarries in full production with a sixth under active planning. There are still 13 private quarries operating under Crown Land permits, but normally on sites not considered suitable for large-scale operation and it is anticipated that they will largely cease operating before the end of 1971 as new quarries under government contract replace them.
The two government quarries at Diamond Hill in Kowloon and at Mount Butler on Hong Kong Island which provide aggregate