【法规名称】
【法规编号】 61512 什么是编号？
【正 文】
第10页 CAP 369C MERCHANT SHIPPING (INSTRUCTIONS TO SURVEYORS) (PASSENGER SHIPS) REGULATIONS
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[接上页] (2) The means for making them watertight and the arrangements adopted for closing the openings in them shall be to the satisfaction of the surveyor. Cap 369C reg 23 Watertight tunnels (1) The sizes of the stiffeners shall be in accordance with Table 5, Appendix II in association with a spacing of 36 inches. The foot of each stiffener is to overlap and be attached to the tunnel base angle in all cases. (2) Curved plating may be of the thickness given in Table 4 for 30 inch spacing, but flat plating is to be of the thickness required for the actual spacing of the stiffeners. Cap 369C reg 24 Watertight inner skins These shall be of such a strength and construction as will enable them to withstand a head of water up to the bulkhead deck. Cap 369C reg 25 Oil fuel tanks (1) Double bottoms, peak tanks, deep tanks and bunkers intended for the storage of oil fuel are to be of approved construction. (2) If the storage and settling tanks are to be constructed to the requirements of a recognized Classification Society, a copy of the detailed plans approved by the Society is to be forwarded for consideration. In all other cases fully detailed plans of the proposed construction, including riveting, etc., are to be submitted for approval before the work is taken in hand. (See paragraphs 74, 257, 258 and 286). Cap 369C reg 26 Hose tests Testing of watertight bulkheads, etc. (1) Testing main compartments by filling them with water is not compulsory. A complete examination of the bulkheads shall be made by a surveyor; and, in addition, a hose test shall be made in all cases. (2) After completion, a hose or flooding test shall be applied to watertight decks and a hose test to watertight trunks, ventilators and tunnels. (3) Hose testing of watertight bulkheads, decks, and tunnels is to be carried out under simultaneous inspection on both sides of the plating, while water is being played upon all riveted and caulked surfaces. (4) The pressure of the water in the hose shall not be less than 30 lbs. per square inch. Cap 369C reg 27 Pressure tests of fore peak, double bottoms, inner skins, etc. (1) The fore peak is to be tested by filling it with water up to the level of the deepest subdivision loadline. (2) Double bottoms, duct keels and inner skins are to be subjected to a head of water up to the margin line. (3) Tanks which are intended to hold liquids and which form part of the subdivision of the ship are to be subjected to a head of water up to the deepest subdivision loadline or to a head corresponding to two-thirds of the depth from the keel to the margin line in way of the tanks, whichever is the greater. These tests are for the purpose of ensuring that the subdivision structural arrangements are watertight, and are not to be regarded as a test of the fitness of any compartment for the storage of oil fuel or for other special purposes for which a test of a superior character may be required, depending on the height to which the liquid has access in the tank or its connections. (See paragraph 259). (4) If a ship under construction is not intended to carry liquid fuel in the double bottoms, the surveyor need not necessarily witness the tests of these compartments, unless the ship is not classed. If, however, the double bottoms are to be used for liquid fuel, the surveyor is to witness the tests whether the ship is classed or not. Cap 369C reg 28 Limitation of number of openings Openings in watertight bulkheads and the means for closing them (1) The number of openings in watertight bulkheads shall be reduced to the minimum compatible with the design and efficient working of the ship. Satisfactory means shall be provided for closing these openings. (2) Special consideration shall be given to the arrangement of air trunks or tunnels for forced draught so as to avoid, so far as possible, piercing the watertight bulkheads. (3) Within the machinery space and apart from those leading to bunkers and tunnels, there shall not be more than one opening in each main transverse bulkhead for inter-communication and these openings shall be so located as to have their sills as high as practicable. When the engine-room is subdivided by longitudinal watertight bulkheads the case should be submitted for special consideration under this sub-paragraph. Cap 369C reg 29 Openings not permitted in certain bulkheads (1) Doorways, manholes or access openings are not permitted: (a) in the collision bulkhead below the margin line; (b) in the main transverse bulkheads dividing a cargo space from an adjoining cargo space or from a permanent or reserve bunker, except as provided for in paragraph 41(3).(2) The collision bulkhead may be pierced below the margin line by not more than one pipe for dealing with fluid in the forepeak tank, provided that the pipe is fitted with a screw-down valve capable of being operated from above the bulkhead deck, the valve chest being secured to the collision bulkhead inside the fore peak. (3) Openings closed only by portable bolted plates are not permitted in watertight bulkheads outside the machinery space. Such openings may be permitted for special purposes within the machinery spaces, subject to the condition that they will be closed and made watertight before the ship leaves port and not opened at sea except in the case of urgent necessity. The surveyor should ascertain that steps have been taken for securing compliance with this condition, on the fines indicated in paragraph 43(13) relating to side scuttles and dead lights. Whenever these plates are removed, all necessary precautions should be taken in replacing them to ensure watertightness. |
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