preparation of structural drawings, details and reinforcing bar bending schedules, the supervision of reinforced concrete and structural steel works on site, the design and supervision of foundation and piling works, together with advice to other divisions of the office on the structural feasibility of projects. During the year, the Division completed the structural design of over 200 separate new buildings and supervised the progress on the foundation and structural work at over 100 sites and also the sinking of over 6,600 pre-cast and in-situ piles. Heavy rain caused land slides at five different sites during the year which required action to determine the nature and the extent of necessary remedial work.
BUILDING SERVICES DIVISION
Chief Electrical Engineer:
B. M. ROACH, A.M.I.E.E.
2.15. This Division, headed by the Chief Electrical Engineer, is divided into three groups each with its complement of Electrical or Air-conditioning Engineers, Assistant Engineers, Engineering Assistants and supervisory staff. One group is responsible for the design, specification and supervision of electrical and lift installations; a second group for the design, specification and supervision of air-conditioning, ventilation, refrigeration and mechanical services and a third group for the maintenance of electrical installations and the organization of lift maintenance by lift contracting firms. In addition to projects designed in the Architectural Office, liaison was maintained with private architects engaged on Government building projects, and assistance was given to the Education Department on the subject of electrical installations in grant-in-aid and subsidized schools and also to the Commissioner for Resettlement and the Commissioner for Housing on engineering services in flats, shops and factories under their respective control.
2.16. During the year, contracts or sub-contracts were let for 71 electrical installations, 52 lift and 34 air-conditioning, refrigeration and ventilation installations to the total value of $12 million. In addition, electrical fittings, main switchboards, equipment and appliances to the value of $4 million were ordered and electrical maintenance works were carried out to the value of some $1 million.
2.17. Air-conditioning installations are designed and incorporated as an integral part of the facilities provided in the majority of new Government office type buildings, whereas, in some of the older buildings of
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