3.20. On assuming the responsibility for the design of and specification for liquefied petroleum gas installations at Government and Services buildings, the Division undertook an extensive examination of various systems and cost analysis, with the result that a single rechargeable bulk storage system was introduced on normal sized projects and this has proved to be more economical and preferable to the multi-cylinder system which was selected for installation previously.
3.21. Other work has included the preparation of design, tender, specification and drawings for the supply and installation of modern water filtration plants for public swimming pools at Li Cheng Uk, Kwun Tong and Morse Park. Each filter plant consists of air-scoured, low pressure filters, including water pumps, chemical dosing equipment, chlorinators and associated piping and fittings. Total capacity of each installation amounts to 900,000 gallons of water to be recirculated through the filtration system once every four to six hours.
3.22. More provision of standby electricity supplies to various Government buildings under planning or construction, namely Kowloon Hospital, Lai Chi Kok Hospital, Tang Shiu Kin Hospital, Kai Tak Airport and Radio Hong Kong (new studio and transmitting station) has been requested during the year in order to maintain the supplies to essential circuits in the event of power failure or emergency. The total capacity of emergency generators now being planned and ordered amounts to 1.5 Megawatts at estimated costs, including installation charges, of nearly $1 million.
MAINTENANCE DIVISION
Government Maintenance Surveyor:
H. W. GRACE, A.R.I.B.A., A.L.A.A., M.R.S.H.
Chief Maintenance Surveyor:
K. R. R. BOYCE, A.R.I.C.S.
3.23. The Division, under the overall control of the Government Maintenance Surveyor, is responsible for the works of maintenance, improvements and alterations to all Government buildings and Services establishments.
3.24. The work on Government buildings is divided into two sections on a regional basis: Hong Kong Island, sub-divided into 5 districts and Kowloon and New Territories, sub-divided into 7 districts. Three Maintenance Surveyors are in charge of the work in the first section, under
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