gallons
a day output, similarly installed and commissioned, were taken over
At this latter pumping station, seven and put into service at Tai Po Tau. mechanically raked coarse screens and seven band screens, incorporated in conjunction with the raising of Plover Cove dams, were also put into service.
11.55
The setting to work of the additional plant permitted the dismantling of a temporary pumping station at Sha Tin, the plant being returned to the River Indus pumping station and the building removed to another site for use as a temporary domestic meter maintenance workshop.
11.56
Additional new plant in Cheung Chau, Cheung Sha Wan and Bowen Road pumping stations was taken over for operation and maintenance and the installation of two 10 million gallons per day pumpsets at Tsuen Wan No. 1 Pumping Station was completed and the pumps commissioned.
11.57
The Division now operates 65 pumping stations which together house 238 pumpsets. The total installed horsepower of major pumping plant throughout the Colony, both diesel and electric, increased by 25.77% to 106,187 brake horsepower.
11.58
The reinforced concrete lining of the buoyancy tanks of the floating pumping station at Plover Cove was completed. Special lifting facilities were provided at Tai Mei Tuk pumping station for lifting the connecting pipeworks out of the water when required, to prevent recurrence of damage in typhoons. The locally made penstocks for isolating the pump delivery mains from the Plover Cove Tai Po Tau supply tunnel were put into service. Twin-rails and a modern winch were installed at the slipway at Plover Cove for slipping motor vessels operating inside the reservoir.
11.59 A major plant breakdown occurred at the Lam Tei pumping station in June. The crankshafts of all three engines driving the pumping plant failed almost simultaneously, after having been in service for some 6,000 hours, requiring the organisation of emergency pumping arrangements. The cause of crankshaft failure is under investigation, meanwhile the three crankshafts were replaced and normal operation resumed.
New Works
11.60
Plant installation was carried out at the Sha Tin treatment works air gallery, Tsuen Wan No. 2 pumping station and Kwun Tong Salt Water pumping station - each job involving the relocation of existing plant. Three diesel engines were dismantled at Sau Mau Ping pumping station and rebuilt to incorporate additional equipment to allow for automatic and unattended operation of the engines,
11.61
Procurement of new plant for 12 existing and 5 new pumping stations and design work on 4 existing and 6 new pumping stations was in hand.
ELECTRICAL DIVISION
Chief Engineer:
F.R. THOMAS, C.Eng., M.I.E.E.
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