Accommodation spaces are those spaces used for public spaces, corridors, lavatories, cabins, offices, hospitals, cinemas, game and hobby rooms, barber shops, pantries containing no cooking appliances and similar spaces.起居处所系指用作公共处所、走廊、盥洗室、居住舱室、办公室、医务室、电影院、游戏娱乐室、理发室、无烹调设备的配膳室的处所以及类似的处所。Service spaces are those spaces used for galleys, pantries containing cooking appliances, lockers, mail and specie rooms, store-rooms, work shops other than those forming part of the machinery spaces, and similar spaces and trunks to such spaces.服务处所系指用作厨房、设有烹调设备的配膳室、储物间、邮件及贵重物品室、储藏室、不属于机器处所组成部分的工作间，以及类似处所和通往这些处所的围壁通道。Control stations are those spaces in which the ship’s radio or main navigating equipment or the emergency source of power is located or where the fire recording or fire control equipment is centralized. Spaces where the fire recording or fire control equipment is centralized are also considered to be a fire control station.控制站系指船舶无线电设备或主要航行设备或应急电源所在的处所，或火警指示器或消防控制设备集中的处所。火警指示器或消防控制设备集中的处所亦视为消防控制站。 “A” class divisions are those divisions formed by bulkheads and decks which comply with the following criteria:.1 they are constructed of steel or other equivalent material;.2 they are suitably stiffened;.3 they are insulated with approved non-combustible materials such that the average temperature of the unexposed side will not rise more than 140℃ above the original temperature, nor will the temperature, at any one point, including any joint, rise more than 180℃ above the original temperature, within the time listed below:.4 they are so constructed as to be capable of preventing the passage of smoke and flame to the end of the one-hour standard fire test; and.5 the Administration required a test of a prototype bulkhead or deck in accordance with the Fire Test Procedures Code to ensure that it meets the above requirements for integrity and temperature rise.“A”级分隔系指由符合下列衡准的舱壁与甲板所组成的分隔：.3 用认可的不燃材料隔热，使之在下列时间内，其背火一面的平均温度较初始温度升高不超过140℃，且在包括任何接头在内的任何一点的温度较初始温度升高不超过180℃：.4 其构造应在1 h的标准耐火试验至结束时能防止烟及火焰通过；和.5 主管机关已要求按《耐火试验程序规则》对原型舱壁或甲板进行一次试验，以确保满足上述完整性和温升的要求。“B” class divisions are those divisions formed by bulkheads, decks, ceilings or linings which comply with the following criteria:.1 they are constructed of approved non-combustible materials and all materials used in the construction and erection of “B” class divisions are non-combustible, with the exception that combustible veneers may be permitted provided they meet other appropriate requirements of this chapter;.2 they have an insulation value such that the average temperature of the unexposed side will not rise more than 140℃ above the original temperature, nor will the temperature at any one point, including any joint, rise more than 225℃ above the original temperature, within the time listed below:.3 they are so constructed as to be capable of preventing the passage of flame to the end of the first half hour of the standard fire test; and.4 the Administration required a test of a prototype division in accordance with the Fire Test Procedures Code to ensure that it meets the above requirements for integrity and temperature rise.“B”级分隔系指由符合下列衡准的舱壁、甲板、天花板或衬板所组成的分隔：.1 用认可的不燃材料制成，且“B”级分隔建造和装配中所用的一切材料均为不燃材料，但并不排除可燃装饰板的使用，只要这些材料符合本章的其他相应要求；.2 具有的隔热值使之在下列时间内，其背火一面的平均温度较初始温度升高不超过140℃，且在包括任何接头在内的任何一点的温度较初始温度升高不超过225℃：.3 其构造应在标准耐火试验最初的0.5 h结束时能防止火焰通过；和.4 主管机关已要求按《耐火试验程序规则》对原型分隔进行一次试验，以确保满足上述完整性和温升的要求。“C” class divisions are divisions constructed of approved non-combustible materials. They need meet neither requirements relative to the passage of smoke and flame nor limitations relative to the temperature rise. Combustible veneers are permitted provided they meet the requirements of this chapter.“C”级分隔系指用认可的不燃材料制成的分隔，不必满足防止烟和火焰通过以及限制温升的要求。允许使用可燃装饰板，只要这些材料满足本章的要求。
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