(b) Supply to Ting Kau—One of the new catchwaters under construction deprived houses in this area of their source of supply. To compensate for this, work on the construction of a small intake dam and screen tank, the installation of chlorinating equipment and the laying of approximately 6,500 ft. of 4″ diameter pipeline has commenced.
Irrigation—New Territories
341. Extensive damage was caused by heavy rains in May and June to a number of diversion dams, channels and river embankments, but before the end of the year all repair work had been completed. A number of diversion dams and about 7,000 ft. of channelling were repaired as routine maintenance work. In addition, seven new diversion dams were constructed, 10,000 ft. of irrigation channels lined with concrete and five wells, approximately 6 ft. in diameter and 30 ft. deep, were sunk. Preliminary investigations were carried out for the preparation of a comprehensive five-year programme of irrigation works.
Waterworks Staff Quarters
342. The majority of pumping stations and filtration plants are situated in isolated places away from the urban districts, and as they have to be in operation practically every day for the full twenty-four hours the afternoon and night shift workers find difficulty in getting to and from work. Accordingly, quarters have been built at Tsuen Wan and Garden Road for pumping station staff and construction of a 3-storey block for the filtration staff at Tsuen Wan neared completion.
Tai Wo Ping Resettlement Area
343. A 40,000-gallon storage tank to serve this area was almost completed, and work commenced on the construction of a pumphouse and the laying of the pumping main.
Salt Water Supply Scheme
344. Only a small percentage of the premises in Hong Kong and Kowloon are allowed to use mains water for flushing, the remainder depending on wells, stream intakes or sea water. Many of the wells and the streams run dry during the winter months and fresh water is then wastefully used for flushing. In order to conserve mains water, schemes were prepared for the provision of sea water from the harbour for this
58