【法规名称】
【法规编号】 79172 什么是编号？
【正 文】
第13页 CAP 413A MERCHANT SHIPPING (PREVENTION OF OIL POLLUTION) REGULATIONS
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[接上页] PAs = the bottom shell area in square metres for each such tank or space based on projected moulded dimensions; Lt = the length in metres between the forward and after extremities of the cargo tanks; B = the maximum breadth of the ship in metres as defined in regulation 1(2); D = the moulded depth in metres measured vertically from the top of the keel to the top of the freeboard deck beam at the side at amidships. In ships having rounded gunwales, the moulded depth shall be measured to the point of intersection of the moulded lines of the deck and side shell plating, the lines extending as though the gunwale were of angular design; J = 0.45 for oil tankers of 20000 tons deadweight and 0.30 for oil tankers of 200000 tons deadweight and above, subject to the provisions of paragraph (3) of this regulation. For intermediate values of deadweight the value of "J" shall be determined by linear interpolation.For the purposes of this regulation the symbols referred to in this paragraph shall have the meaning as laid down in this paragraph. (3) For tankers of 200000 tons deadweight and above the value of "J" may be reduced as follows- Oc+Os J reduced = [J - (a - ____________________ )] or 0.2 whichever is greater 4OA where- a = 0.25 for oil tankers of 200000 tons deadweight, a = 0.40 for oil tankers of 300000 tons deadweight, a = 0.50 for oil tankers of 420000 tons deadweight and above. For intermediate values of deadweight the value of "a" shall be determined by linear interpolation.Oc = has the same meaning as in regulation 27(1)(b)(i), Os = has the same meaning as in regulation 27(1)(b)(ii), OA = the allowable oil outflow as required by regulation 28(2).(4) In calculating the value of "PAc" and "PAs" for segregated ballast tanks and spaces other than oil tanks- (a) where the width of any wing tank or space which extends for the full depth of the ship's side or from the deck to the top of the double bottom is less than 2 metres measured inboard from the ship's side at right angles to the centre line, that wing tank or space shall not be taken into account when calculating the protecting area "PAc"; and (b) where the depth of any double bottom tank or space is less than B/15 or 2 metres, that double bottom tank or space shall not be taken into account when calculating the protecting area "PAs".The width and depth of wing tanks and double bottom tanks shall be measured clear of the bilge area and, in the case of width, shall be measured clear of any rounded gunwale area. Cap 413A reg 20 Requirements for oil tankers with dedicated dean ballast tanks (1) An oil tanker operating with dedicated clean ballast tanks in accordance with the provisions of regulation 18(9) or (10) shall have adequate tank capacity, dedicated solely to the carriage of clean ballast as defined in regulation 1(2) to meet the requirements of regulation 18(2) and (3), as those provisions apply to segregated ballast tanks. (2) The arrangements and operational procedures for dedicated clean ballast tanks shall comply with the requirements of Schedule 6 hereto. (3) An oil tanker operating with dedicated clean ballast tanks shall be equipped with an oil co |
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