Pumping Station in February 1974.
11.17
Weekend patrol of catchment areas by Waterworks staff continued on a regular basis to minimize abuse by visitors which might lead to pollution and to discourage indiscriminate disposal of litter.
11.18
The routine maintenance of access roads, catchwaters, control gates, treatment works, pumping stations, staff quarters and depots, and the maintenance and cleaning of service reservoirs continued.
11.19
Heavy rainstorms in May and July caused damage to a number of Waterworks installations, the estimated cost of repairs being $1.0 million.
Operations Sub-Division
11.20
The Government I.C.L. 1903T Series Computer was used in connection with reservoir system operations, the determination of consumption statistics and other supply criteria. During the year, the computer programme for the determination of reservoir draw-off rates was further developed to include the calculation of the quantities of supply to service reservoirs. Work continued on the routine per-capita consumption study and the analysis of monthly consumption from water accounts for use in estimating demand trends by consumer categories continued. An investigation was started to study the implications of acquiring water from additional sources to supplement the reservoir system over the long term.
Hydrological Section
11.21
Routine maintenance of 123 rain gauging stations, 23 stream and reservoir gauging stations and one evaporation station continued. In connection with the High Island Water Scheme, weekly readings of water level at 19 observation wells and 13 low flow weirs also continued.
11.22
Data abstraction of Volume VII in the series of "Hong Kong Rainfall and Run-off" was completed and preparation of the printing of the report was in hand.
11.23 The study on the gross yields and pumpable yields on the River Indus flood pumping scheme was completed. Preparation work for incorporating the above analysed results in the report of "Gross Yield of Hong Kong Reservoirs" was in hand, although progress was delayed in order to accommodate more urgent investigations.
CONSTRUCTION DIVISION
Chief Engineer:
LI Hin-wing, B.Sc.(Lond.), C.Eng., M.I.C.E.
LAU To-hin, B.Sc.(Eng.), D.I.C., C.Eng., M.I.C.E.
J.L. McDERMONT, B.Sc.(Hons.), D.I.C., C.Eng., M.I.C.E., M.I.W.E. AU-YOUNG Young, B.Sc.(C.E.), C.Eng., M.I.C.E., M.I.W.E., M.A.S.C.E. (Acting)
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