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[接上页] (a) any discharge into the sea of oil or oily mixture from any Hong Kong oil tanker and any Hong Kong ship of 400 GRT and above other than an oil tanker shall be prohibited while in a special area. In respect of the Antarctic area, any discharge into the sea of oil or oily mixture from any Hong Kong ship shall be prohibited; (b) except as provided for in respect of the Antarctic area under subparagraph (a), any discharge into the sea of oil or oily mixture from a Hong Kong ship of less than 400 GRT other than a Hong Kong oil tanker shall be prohibited while in a special area, except when the oil content of the effluent without dilution does not exceed 15 ppm. (L.N. 171 of 1992; L.N. 641 of 1994)(3) (a) Paragraph (2) of this regulation shall not apply to the discharge of clean or segregated ballast. (b) Sub-paragraph (2)(a) of this regulation shall not apply to the discharge of processed bilge water from machinery spaces, provided that all the following conditions are satisfied- (i) the bilge water does not originate from cargo pump room bilges; (ii) the bilge water is not mixed with cargo oil residues; (iii) the ship is proceeding on a voyage; (iv) the oil content of the effluent, without dilution, does not exceed 15 ppm parts of mixture; (v) the ship has in operation an oil filtering system complying with regulation 14(6); and (L.N. 641 of 1994) (vi) the oil filtering system is equipped with a stopping device which will ensure that the discharge is automatically stopped if the oil content of the effluent exceeds 15 ppm parts of the mixture.(4) (a) No discharge into the sea shall contain chemicals or other substances in quantities or concentrations which are hazardous to the marine environment or chemicals or other substances introduced for the purpose of circumventing the conditions of discharge specified in this regulation. (b) In any case where any residues of oil or oily mixture may not be discharged into the sea in compliance with paragraph (2) or (3) of this regulation, they shall be retained on board and shall only be discharged into reception facilities.(5) Nothing in this regulation shall prohibit a ship on a voyage only part of which is in a special area from discharging outside the special area in accordance with regulations 12 and 13. (6) Every Hong Kong ship shall, before entering the Antarctic area, be fitted with a tank or tanks of sufficient capacity on board for the retention of all sludge, dirty ballast, tank washing water and other oily residues and mixtures while operating in the area and have adequate arrangements to discharge such oily residues at a reception facility after leaving the area. (L.N. 171 of 1992) Cap 413A reg 17 Interpretation of Part IV PART IV REQUIREMENTS FOR THE SEGREGATION OF CARGO (1) Notwithstanding the provisions of regulation 1(2), for the purpose of regulations 18, 19, 21 and 26(4), a "new oil tanker" (新油轮) means an oil tanker- (a) for which the building contract was placed after 1 June 1979; or (b) in the absence of a building contract, the keel of which was laid, or which was at a similar stage of construction after 1 January 1980; or (c) the delivery of which was after 1 June 1982; or (d) which has undergone a major conversion- (i) for which the contract was placed after 1 June 1979; or (ii) in the absence of a contract, the construction work of which was begun after 1 January 1980; or (iii) which was completed after 1 June 1982, except that, for oil tankers of 70000 tons deadweight and above, the definition in regulation 1(2) shall apply for the purposes of regulation 18(1).(2) For the purposes of regulations 18, 20, 21, 22, 23, 26(5) and 26(6)(c) an "existing oil tanker" (现有油轮) means an oil tanker which is not a new oil tanker as defined in paragraph (1) of this regulation. Cap 413A reg 18 General application New oil tankers of 20000 tons deadweight and above (1) Every new crude oil tanker of 20000 tons deadweight and above and every new product carrier of 30000 tons deadweight and above shall be provided with segregated ballast tanks and shall comply with paragraphs (2), (3) and (4), or paragraph (5) as appropriate, of this regulation. (2) The capacity of the segregated ballast tanks shall be such that the ship may operate safely on ballast voyages without recourse to the use of cargo tanks for water ballast except as provided for in paragraph (3) or (4) of this regulation: Provided that the capacity of the segregated ballast tanks shall be at less such that, in any ballast condition at any part of the voyage, including the condition consisting of lightweight plus segregated ballast only, the ship's draughts and trim can meet each of the following requirements- (a) the moulded draught amidships (dm) in metres (without taking into account any ship's deformation) shall not be less than 2.0 + 0.02L; (b) the draughts at the forward and after perpendiculars shall correspond to those determined by the draught amidships (dm) as specified in sub-paragraph (a) of this paragraph, in association with the trim by the stern of not greater than 0.015L; and |