1. According to Article 6.0. 1 of Code for Fire Protection Design of Buildings, when the total length of an L-shaped building exceeds 220m or the length along the street exceeds150m, a fire escape should be set through the building. Your total length now is 180m, and the length along the street is 100 (just look at one side). There is no need to set fire lanes through buildings. ?
According to Article 6.0.2, if there is a closed inner courtyard or patio, it is advisable to set a fire lane that can enter the inner courtyard. ?
In addition, according to the interpretation of this article, the depth (width) of a building shall not exceed 50 meters. If it is more than 50 meters, the fire department can ask you to set up a fire lane to cross the building according to the situation. ?
2. According to Article 4.3. 1 of Code for Fire Protection Design of High-rise Civil Buildings, high-rise buildings should first set up circular fire lanes, that is, there should be fire lanes around this L-shaped building. If this is not possible, it can be relaxed to set fire lanes along two long sides (that is, two 100 meters). The total length shall not exceed 220, and the length along the street shall not exceed 150. There is no need to set fire lanes through buildings.
Fire escape:
Fire escape refers to the passage for firefighters to rescue and evacuate trapped people, such as stairs, aisles and other places with fire indicators. Fire escape plays an important role in various dangerous situations.
Pedestrian passage:
Pedestrian passage is usually divided into non-rolling gate and rolling gate system. Roller-free brakes can pass directly without obstacles. The drum brake system can be compatible with IC cards, ID cards, barcode cards, fingerprints and other card reading and identification devices, providing civilized and orderly access for people entering and leaving, and effectively managing people entering and leaving.