杭州市北城乡结合部的拱墅区,既是该市重要的工业区,也是木结构居民住宅较为集中的区,辖区内70％的居民住宅为木结构联片住宅,房屋陈旧、电线老化超负荷、通道狭小受阻和公用厨房内液化气、煤炉混烧等火险隐患十分突出,居民重大住宅火灾时有发生,仅信义巷一年内就发生两起重大火灾,受灾32户,损失30余万元。 Gongshu District, the junction of Beicheng Township and Hangzhou City, is not only an important industrial area in the city, but also a district with more concentrated residential buildings. 70% of the residential buildings in the area are wood-structure residential buildings, old houses and aging electric wires. , Narrow blocked access and liquefied petroleum gas in the public kitchen, coal-fired furnace mixed with fire and other hidden dangers of fire is very prominent, residential fires occur from time to time, only Xinyi Lane within a year occurred on two major fires, affected 32 households, more than 30 million loss.