【法规名称】
【法规编号】 61512 什么是编号？
【正 文】
第12页 CAP 369C MERCHANT SHIPPING (INSTRUCTIONS TO SURVEYORS) (PASSENGER SHIPS) REGULATIONS
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[接上页] If bilge floats are fitted the arrangements must not interfere with any other part of the closing system. Cap 369C reg 37 Indictors In all classes of sliding doors, indicators shall be fitted at all operating stations other than the door itself, showing whether the door is opened or closed. The arrangements at the door shall be such as to minimize the possibility of tampering to cause the indicator to show a door closed, when open. Cap 369C reg 38 Sound signals and warnings (1) Power doors in passenger, crew and working spaces, which are capable of being closed from a position from which the doors are not visible, shall be fitted with sound signals for giving sufficient warning in all cases when they are about to be closed. One movement at the closing station shall be sufficient both to sound the signals and to close the doors and the signals shall work effectively even when the vessel has a fist. (2) When the doors are not capable of being closed from a central control station, means of communication by telegraph, telephone or otherwise (such as by suitably distributed gongs sounding loudly an agreed signal), are to be provided whereby the responsible officer may rapidly communicate with the members of the staff responsible for closing doors. Cap 369C reg 39 Construction (1) Watertight doors shall be constructed to approved designs. Doors giving direct access to any spaces containing bunker coal shall, together with the frames, be made of cast or wrought steel. In other positions, doors and frames may be made of cast iron. Brass rubbing faces of sliding doors may be formed either on the door or frame. They should be protected against damage while a door is being closed. If brass strips are used they shall be firmly secured and, if one inch or less in width, they shall be fitted in recesses. (2) Where screw gear is used for operating the door, the screw shall work in a gun metal nut. (3) Vertical doors should have no groove at the bottom in which dirt may lodge so as to prevent the door closing properly. The bottom bearing of the door may, however, be of skeleton form so arranged that dirt cannot easily lodge. The bottom edge of vertical doors shall be tapered or bevelled to cut through coal or other obstacles. (4) Unless sliding doors are very substantially constructed intermediate points of support may be necessary along the leading and trailing edges, when the doors are in the closed position, especially if they have to resist considerable pressure. (5) The frames shall be carefully fitted to the bulkheads and the joints should be of a kind that will not be liable to deteriorate with age or be readily injured by heat. Thin hard wood may be used in ordinary cases, but for bunkers or where oil may take fire the jointing must be indestructible by fire. (6) Satisfactory arrangements shall be made by means of screens or otherwise to prevent coal from interfering with the closing of watertight bunker doors. (7) It should be ensured that horizontal sliding doors will not move when the ship is rolling and where necessary a clip or other device shall be provided to prevent the door closing when the ship is severely inclined. (8) For the efficient working of the doors it is essential that the working parts should be properly lubricated and the gear guarded where necessary. Cap 369C reg 40 Test of watertight doors (1) Watertight doors shall be tested by water pressure to a head up to the margin line. The test shall be made before the ship is put in service either before or after the door is fitted. Where there are several doors of the same type to be fitted in a ship, one of the type may be selected for test at the maker's works and, provided the result of the test is satisfactory, the remaining doors of the type may be accepted without such tests. In closing the doors for the test to be applied, the power exerted should not exceed that available for operating the doors on board the ship for which they are intended. The frame-work in the workshop to which the door frame is secured for the purpose of testing, should not be such as to give greater reinforcement to the frame than the stiffening on the bulkhead to which it is to be attached. The head of water should be taken from the bottom of the door to the margin line in way of the bulkhead on which the door is fitted, but in no case should the test pressure be less than 20 feet head for sliding doors and 10 feet head for hinged doors. The purpose of the test is to show that the door is of sufficient strength and reasonably tight under the test pressure. The amount of leakage is to be recorded. (2) After being fitted in place on the bulkhead, the door including the watertightness of the attachment of the door frame to the bulkheads, is to be tested by a hose in the manner required for the bulkhead (see paragraph 26). (3) All the doors should be operated by hand, and by power if provided, in the presence of the Surveyor and the times taken to close should be reported. In the case of bunker doors the closing tests should be made when coal is in the bunkers. |
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