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[接上页] (q) maintain in efficient working order at all times an emergency power supply for use in the tunnel by the Government Fire Services Department; (r) provide connection to 2 independent outside sources of electric power so that, if there is failure of one source, adequate electric power continues to be available for the full operation of the Constructed and Maintained Facilities; (s) in addition to the requirement mentioned in paragraph (r), maintain in a state of readiness at all times electricity generating apparatus which, in the event of failure of the outside sources of electric power, will be sufficient to operate the following emergency systems and equipment in the tunnel area for a minimum of 6 hours- (i) fire services systems; (ii) all loads backed up by uninterruptible power supply; (iii) sump pumps; (iv) emergency power points inside the tunnel; (v) air-conditioning for computer room, control rooms and uninterruptible power supply rooms; (vi) mechanical ventilation for battery rooms; and (vii) emergency lights and essential power points for ancillary buildings of the Western Harbour Crossing;(t) keep the tunnel area in a clean and orderly condition; (u) provide access and facilitate the activities of officers or other servants of the Hong Kong Government and its agents whilst engaged in duty relating to the tunnel area.(2) The Company shall ensure that- (a) until 22 October 1997, the concentration of carbon monoxide gas in the tunnel does not during any 5 minute period exceed an average of 125 parts per million; (b) with effect from 23 October 1997, the concentration of carbon monoxide gas in the tunnel does not during any 5 minute period exceed an average of 100 parts per million; (c) until 22 October 1997, the concentration of nitrogen dioxide gas in the tunnel does not during any 5 minute period exceed an average of 1.5 parts per million; (d) with effect from 23 October 1997, the concentration of nitrogen dioxide gas in the tunnel does not during any 5 minute period exceed an average of 1 part per million; (e) where the equipment for measuring nitrogen dioxide gas is not commercially available in the market, the concentration of nitric oxide gas in the tunnel does not at any time exceed 15 parts per million; and (f) the visibility standard in the tunnel does not exceed an extinction coefficient of 0.005 per metre. (L.N. 171 of 1997)(3) The Company shall, to the satisfaction of the Director of Fire Services, provide adequate and efficient fire service installations and equipment in the tunnel area at all times. (4) The Company shall, without delay, report any diversion or interruption of traffic within the tunnel area that may affect the flow of traffic outside that area to a regional command and control centre of the Hong Kong Police Force and to an officer designated by the Commissioner. (L.N. 362 of 1997) Cap 436C s 3 Traffic signs and road markings (1) In order to comply with section 2(1)(a), the Company may cause or permit to be erected or placed in the tunnel area- (a) any traffic sign, light signal or road marking of the size, colour and type specified in bylaws made under the Ordinance; (b) any warning, informatory or supplementary plate traffic sign or road marking of the size, colour and type shown in Schedules 1 and 2 of the Road Traffic (Traffic Control) Regulations (Cap 374 sub. leg.); (c) if the Commissioner approves each such erection or placing, any regulatory traffic sign, light signal or road marking of the size, colour and type shown in Schedules 1, 2 and 3 of the Road Traffic (Traffic Control) Regulations (Cap 374 sub. leg.); and (d) any traffic sign, light signal or road marking as it may think appropriate for the giving of advice and information to persons using the tunnel.(2) The Company may by the erection or placing of an appropriate sign cancel, alter or temporarily suspend the operation of any traffic sign, light signal or road marking erected or placed in the tunnel area under subsection (1)(a), (b) or (d). (3) The Company shall, if directed to do so by the Commissioner, remove any traffic sign, light signal or road marking erected or placed in the tunnel area under subsection (1)(b) or (d). (Enacted 1997) Cap 436C s 4 Uniforms and identification A tunnel officer on duty shall- (a) except in the case of the Tunnel Manager, wear a uniform of a design approved by the Commissioner of Police; (b) carry such means of identity issued by the Company and approved by the Commissioner; (c) promptly produce to any person who on reasonable grounds requests him to do so his means of identity and evidence of appointment. (Enacted 1997) Cap 436C s 5 Tunnel officers' power to stop vehicles (1) A tunnel officer may- (a) for the purpose of preventing or detecting any contravention of bylaws made under the Ordinance; or (b) if he has reasonable grounds for believing that the driver of a vehicle- (i) has not paid tolls or fees specified in the Ordinance; |