10.46 At Sha Tin two recently installed 30 million gallons per day pumpsets developed vibration problems. One of the pumpsets was dismantled and its bearings replaced. After re-installation the vibration persisted and subsequent inspection disclosed that the bearings had again seriously deteriorated. The manufacturers agreed to send to Hong Kong alternative bearings employing different materials.
10.47 At Sandy Bay Pumping Station, the turbo charger on the 1600 B.H.P. peak-lopping alternator disintegrated and replacement parts were ordered from the United Kingdom.
New Works
10.48 Plant was installed in new pumping stations at Tai Wan, Tong Fuk, Batty's Belvedere, Tai O and Tsing Yi and new pumpsets installed in the existing pumping station at Lam Tei. Filter plant for Tai O and pumping plant for Tsing Yi were air-lifted to site with the co-operation of the Armed Services.
10.49 Procurement of new plant for three existing and two pumping stations, and design work on plant for three existing and one new pumping stations was in hand.
ELECTRICAL DIVISION
Chief Engineer:
F. R. THOMAS, C.Eng., M.I.E.E.
E. J. HAILSTONE, C.Eng., M.I.E.E. (Acting)
General
10.50 The Division is responsible for the maintenance and repair of waterworks electrical plant and equipment and for all instrumentation as well as for the design, procurement, installation and commissioning of all new waterworks plant except for plant associated with the Plover Cove and High Island Water Schemes and the 40 million gallons per day desalter.
10.51 Two workshops, one on the Island and one in Kowloon, carry out assembly, repair and testing of electrical plant and instrumentation; a specialist workshop in Kowloon carries out repairs and
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