(6½ H.P.) and Medical Department (3 plants totalling 50 H.P.) as well as cold stores for the Medical Department, Prisons Department and Urban Services Department.
209. Room coolers in Government Offices continued to be popular and 106 machines were installed at Kai Tak Airport Control Tower (2), Commerce and Industry Department (2), Kowloon Magistracy (6), Supreme Court Building (7), Colonial Secretary's House (5), District Administration, New Territories (17), Technical College (1), Government House (3), K.C.R. Manager's Office (1), Labour Department (1), Medical Department (17), Police Department Headquarters (3), Post Office (1), Public Relations (26), Hok Yuen Quarry (3), Registration of Persons Office (2), Secretary for Chinese Affairs (1), Social Welfare Department (2), Stores Department (3), Urban Services Department (3).
210. The design of all air-conditioning plants for Government buildings, irrespective of whether the actual buildings were designed by Government or local private Architects, was undertaken by this section. Changes in plan necessitated a considerable amount of re-design for the New Government West Block Offices and for the City Hall project.
PORT WORKS OFFICE
Chief Engineer, J. J. Robson, M.I.C.E., A.M.I.Struct.E.
A. Mar, M.Sc.(Man.), A.M.I.C.E., (Acting).
GENERAL
211. The work carried out falls under four main headings:
(1) maintenance of sea walls and piers with miscellaneous dredging works;
(2) new reclamations, piers and other marine structures;
(3) miscellaneous; and
(4) operation of the Public Works Department materials-testing laboratory.
MAINTENANCE
212. The maintenance of the Colony's public piers, sea walls and other marine structures continued as in previous years under an annual contract. Most of this work consisted of repairs to fenders, wallings, decking, landing steps and handrails, etc.
213. Although typhoons caused very slight damage, extensive clearing of drainage outfalls was required after heavy rains; the two departmental dredging units, each consisting of a tug, a grab dredger and three
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