1, in principle, fragile glass is required, ordinary glass is fine, tempered glass can also be used, and firefighters can break it open with a percussion hammer. But laminated glass can't be used. Mark the window.

2. The fire rescue window is for firefighters to enter. The net size of the window should not be less than 0.8m wide and 1m high. The distance under the window cannot be higher than1.2m.

3. The rescue window should correspond to the climbing place of the fire truck, and a fire zone should have at least two rescue windows.

Hangzhou, referred to as "Hangzhou" for short, is the capital of Zhejiang Province, a sub-provincial city and the core city of Hangzhou metropolitan area. It is the capital of Zhejiang Province, the economic, cultural, scientific and educational center of the whole province, and one of the central cities in the Yangtze River Delta. As of May, 2002 1 year, Hangzhou has jurisdiction over Shangcheng District, Gongshu, West Lake, Binjiang, Xiaoshan, Yuhang, Linping, Qiantang, Fuyang, Lin 'an 10, Jiande1county-level city and Tonglu and Chun 'an counties. There are 19 1 towns (streets) in the city, including 23 towns, 75 towns, 93 streets, 1262 neighborhood committees and 1922 administrative villages. The land area of the whole city is 16850 square kilometers (according to the second land use survey), of which the urban area is 8289 square kilometers.