296 cinema projections and 32 slide shows. Modification was made to the stage sound cueing system, providing sequential illuminated indication on the equipment panel for control and operation under complete darkness. Two sets of picture projectors were specially designed and manufactured by this Section for development and projection of large pictures on the outside walls of buildings during Christmas and the New Year. A high gain microphone system was designed and manufactured for sound transmission to dressing rooms. Other works carried out by this Section were the installation of one L.V. underground supply system, including associated switchgear, to the new air-conditioning installations located at the Central Block and Theatre Block, the commissioning of two air conditioning package units including a new zone cabinet, the renewal of outdoor flood lights and fittings, and the installation of Zone No. 9 Air-conditioning cabinet for the Banqueting Hall.
Kai Tak Airport
8.46 The Kai Tak Airport Electrical and Mechanical Service Section maintains all the electrical, mechanical and air-conditioning systems as well as the runway and landing approach lights, substation equipment, air navigation beacons, baggage conveyor systems and aero-bridges at the airport. All plant and equipment has been maintained throughout the year without major breakdown. In addition to normal routine maintenance and overhaul, this section undertook the installation and commissioning of two red strobe beacons together with P.V.S. power cables and one 15 KW standby generating set at the Kowloon Tsai Hill, the installation of 11 sets of street lighting together with underground cables at the Airline Industrial Vehicle Car Park, the installation of essential power supply complete with M.C.B. board for the Distance Measuring Equipment in the Glide Path Equipment Room, the resiting of 13 street lights together with underground cables along the south side of the airport boundary fence at Prince Edward Road and at the Cargo Vehicle Parking Bay, the disconnection and removal of nine sets of taxiway lighting and one set of perimeter lighting together with transformers and associated cabling in the Apron Extension Area, and the inspection and primary injection test of 34 Air Circuit Breakers for Kwai Fong Government Low Cost Housing Estate, Kwai Shing Government Low Cost Housing Estate, Ko Chiu Road Government Low Cost Housing Estate, Tsz Wan Shan Resettlement Estate, Sau Mau Ping Resettlement Estate, Pak Tin Resettlement Estate, R.A.F. Kai Tak and Shaukiwan Medical Department Laundry.
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