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surveys on the distribution system. House to house inspection continued throughout the year and 1,601 notices to alter defective services was issued. Fittings totalling 24,389 to be used on inside services by Licensed Plumbers were tested and stamped in the Workshops. 23 new licences and 227 renewals of old licences were issued to plumbers after investigation of their knowledge and workshop facilities. One licence was cancelled for infringement of the Regulations.
231. Maintenance of Buildings: — General maintenance of Water Works Quarters and other buildings was carried out by the Architectural Office.
232. Maintenance of Water Meters: - At the end of the year there were 16,851 meters in use on the Island and 13,048 on the Mainland. The number of meters repaired and tested was 15,731 on the Island, and 8,312 on the Mainland. Of these 5,316 on the Island and 2,941 on the Mainland were repaired on site without removal, the remainder being repaired in the Workshops. Four meters on the Island and nine on the Mainland were tested under Regulation 7 of the Waterworks Ordinance, and 61 on the Island and five on the Mainland were found to be unfit for further service. Details of the number of metered services and meters in use in the Colony are given in Tables V and VI.
A
233. Maintenance of Workshops: - The manufacture and repair of various articles required for the maintenance of water works pumping plant, machinery, valves, hydrants etc. and for other Sub-departments and Departments was continued. A total of 945 orders was dealt with, 874 being for water works. In addition 10,415 meters were repaired in the Island Workshop and 5,371 in the Mainland Workshop. The annual inspection and overhaul of boilers in Government buildings was continued.
Public Works Recurrent - Miscellaneous.
234. Minor Works: - Boring work at Wong Nei Chong Reservoir was completed and some of the leakage planes were traced. No remedial work was carried out during the year as no grouting plant was available.
235. Minor improvements were carried out to the supply to Mountain View, The Peak, and at upper Tai Hang Village where pressures were inadequate.