RENEWALS AND IMPROVEMENTS
Mainlaying
323. Mainlaying was concentrated on extensions to new development, alterations necessitated by road reconstruction and the enlargement of undersized pipes in areas where pressures were inadequate.
324. A total of 207,400 ft. of piping varying in size from 2″ to 18″ diameter were laid, the more important work completed being as follows:
Hong Kong Island:
(a) Tai Tam Tuk-Tai Tam Gap-The final 2,500 ft. section of the existing 10″ diameter pumping main was enlarged to 18″ diameter for the raw water supply from Tai Tam Tuk to the new R.G. Filters at Sai Wan.
(b) North Point Housing Scheme-12″, 10″ and 6″ diameter mains were laid in Shu Kuk Street and Java Road to supply the Java Road Low Cost Housing Estate.
(c) Aberdeen-Existing mains in Island Road and Tung Sing Road were enlarged to improve the supply to the Aberdeen area.
(d) Stanley-The existing 4″ diameter main in Tung Tau Wan Road was enlarged to 6″ diameter to improve the supply to Stanley Gaol.
(e) Elliot Service Reservoir-Kennedy Town--Work was put in hand on enlarging the supply main from the Elliot Service Reservoir to Kennedy Town to improve distribution and to accommodate the Cadogan Street Housing Scheme.
(f) Various sizes of mains were relaid in the following roads in conjunction with reconstruction work:
Des Voeux Road, Garden Road, Pottinger Street, Bonham Road, Tung Lo Wan Road, and Victoria Road. Ice House Street, Lockhart Road,
Mainland:
(a) Approximately 800 ft. of 18″ pipes were laid in Kiu Kiang Street to improve the supply in the Sham Shui Po area.
(b) Approximately 1,800 ft. of 18″ pipes were laid from Yau Ma Tei Service Reservoir and 1,200 ft. of 18″ pipes from Jordan Road to meet the increased demand in the Tsim Sha Tsui area.
(c) Approximately 16,000 ft. of 18″, 15″ and 12″ pipes were laid to give a supply to the Kwun Tong Reclamation and Housing Zone area.
(d) Approximately 4,500 ft. of 6″ main were laid at Sha Tin to provide a supply to Tai Wai Village.
(e) Approximately 8,000 ft. of 6″ pipes were laid from Luen Wo Market to Shek Wu Hui to improve supplies in the area.
Service Reservoirs
325. All service reservoirs were cleaned and inspected and the inlet and outlet valves checked and repaired where necessary. The overflow
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