TAILIEUCHUNG - Seamanship Techniques 2011 E Part 6

Tham khảo tài liệu 'seamanship techniques 2011 e part 6', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Boatwork 183 admit sufficient daylight to the inside of the lifeboat with the hatches closed to make artificial light unnecessary. 8. Its exterior is of a highly visible colour and its interior of a colour which does not cause discomfort to the occupants. 9. Handrails provide a secure handhold for persons moving about the exterior of the lifeboat and aid embarkation and disembarkation. 10. Persons have access to their seats from an entrance without having to climb over thwarts or other obstructions. 11. The occupants are protected from the effects of dangerous subatmospheric pressures which might be created by the lifeboat s engine. Capsize and Re-righting The boats shall all be fitted out with safety seatbelts designed to hold a mass of 100 kg when the boat is in the capsized position. To this end it is essential that the occupants once embarked are securely strapped into the seated areas to ensure the self righting property of the boat becomes a viable proposition. Also all hatches and access doors are battened down and are seen to be in a watertight condition. The design of the boats should be such that in the capsized situation the boat will attain a position which provides an above water escape. Exhausts and engine ducts will be so designed as to prevent water entering the engine during a capsized period. Embarkation and Launching of Survival Craft This information is taken from the 1983 Amendments to the International Convention for the Safety of Life at Sea 1974. Launching when Parent Vessel is Making Way Cargo ships of 20 000 tons gross tonnage and upwards should have lifeboats capable of being launched where necessary utilising painters with the ship making headway at speeds up to 5 knots in calm water. Free Fall Lifeboats Lifeboats arranged for free fall launching shall be so constructed that they are capable of rendering protection against harmful accelerations resulting from being launched when loaded with its full complement of persons and equipment .

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