Fire Detection, Heat-Actuated

Heat sensitive devices may be either "spot" or "line" type and operate at a fixed temperature or on a rapid increase in

temperature (rate-of-rise). Some detectors combine the fixed and rate sensitive principles.

The spacing guides listed are indicative of each detector"s relative sensitivity and, in each case, the spacing guide is the

maximum recommended separation between detectors for smooth-ceiling installations. For a given temperature rating, a

fixed-temperature detector which has a 30 ft (9 m) listing and one which has a 15 ft (5 m) listing will both respond at

approximately the same time to a geometrically growing fire if each is installed at its listed spacing. FM Approved rate-of-rise

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detectors all have 30 ft (9 m) listed spacings, the maximum separation recommended by FM Approvals.

Installation of heat detectors at less than maximum spacing is necessary: to achieve earlier response; to compensate for ceiling

obstructions such as beams and joists; and to compensate for ceiling heights greater than 15 ft (5 m). Proper location and use of

heat detectors involves consideration of ceiling construction, the location of partitions, the maximum normal room temperature,

heat produced by the occupancy, and whether detector function is to warn occupants or to automatically actuate protection

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equipment. Refer to Standard 72-1993 of the National Fire Protection Association and design specifications published by

jurisdictional authorities, as appropriate.

7月3日傍晚，山东省德州（禹城）高新区盛康包装公司一车间发生火灾，同时引燃西侧的山东力宏宝冠公司。所幸火灾发生时，这家公司正处于停产期间，车间内无工作人员。据消息，2017年7月4日6时，经消防官兵全力扑救，原装进口CTI-TC85-感温火灾探测电缆85,铝芯电缆相关，德州（禹城）高新区盛康包装公司车间发生火灾明火被扑灭，没有造成人员伤亡。起火原因，受损失状况正在进一步的调查中。据网络资料显示，山东盛康包装公司于2009年06月12日在德州工商局注册成立，注册资本为300万元人民币，生产各种规格纸箱、纸板、包装装潢纸的的生产和销售。 昨日徐州贾汪境内在因素大雾分别发生4起交通追尾事故。　　本报报道 编辑从江苏省徐州市政府得知，17日7时40分至8时许汽车配件网编辑，京福快速苏鲁交界徐州贾汪境内在因素大雾分别发生4起交通追尾事故据了解报道，上海道夫自动化仪表工程有限公司,道夫自动化仪表工程,涉及车辆60余辆，截至13时，事故共造成6人死亡、30多人受伤，其中6人重伤。　　据描述，这4起交通追尾事故分别发生于京福快速贾汪境内多个不同地段。事故发生后，徐州市委、市政府要求全力救治伤员，尽快疏通现场，妥善处理事故。徐州市长张敬华率应急、公安、消防、卫生、安监等部门及当地党委政府管理人员和救援人员上路进行抢险救援，并陆续开展善后工作。　　这时，现场救援和处置工作仍在进行中。 　　记者21日晚上从珠海市公安消防支队获悉，当天傍晚，位于珠海大道南屏屏北三路和屏北五路交汇处的一家印刷厂发生火灾，现场浓烟冲天，有3人受伤。　　本次火灾地点位于大楼四、五楼，据目击者透露，发生火灾的时间在16点50分前后，当时先听到一声巨响，然后就看到窗口冒着浓烟，火光冲天。　　据了解，现场有两人被烟呛伤，有一人急于逃生直接从楼上跳下，摔倒在屋子后面，原装进口CTI-TC85-感温火灾探测电缆85,矿用电缆相关，消防人员在草丛中发现伤者。目前，原装进口CTI-TC85-感温火灾探测电缆85,珠江电缆相关，三人均已被送到医院。　　目前消防人员还在现场施救，初步怀疑是煤气爆炸。责任编辑：魏盼