Construction standard:
1, the fire-proof climbing surface of tower residence should not be less than 1/4 of the length around the residence and not less than the length of a long side;
2. The fire-fighting climbing surface of unit-type and corridor-type houses should not be less than the length of a long side of the house;
3, fire climbing surface should be close to the residential public * * * stairs or balcony, window;
4, the podium on one side of the fire climbing surface, its depth should not be greater than 4 m; (The new version of the fire protection code cancels the height limit of the podium)
5. Large-area glass curtain wall should not be designed as a fire climbing surface.
6. There must be no tall trees between the climbing surface and the building that hinder climbing.
7. Buildings in the climbing surface should have safety exits.
Extended data:
1, grasp the relationship between building facade and climbing surface.
The climbing surface is the vertical plane of fire truck climbing operation. In order to ensure that firefighters can enter the high-rise building from the stairwell and carry out fire fighting and rescue as soon as possible, there must be an exit that goes directly to the outdoor stairs or stairwells.
2. Master the setting form of climbing site 1 and determine the distance and width of the driveway from the building. In order to ensure the intersection of vehicles in an emergency and consider the leg span of the ladder car, the lane width should be set to 6-7.5m;
According to the actual fire experience, the distance between the driveway and the building should not be less than 5m, and the maximum distance can be determined according to the height of the building and the equipment of the local fire brigade climbing ladder truck.
3, master the relationship between the job site and the surrounding environment.
The climbing operation site must be hard ground, and the bearing capacity should meet the load requirements of large fire engines, and fire lanes should be set up to directly enter the climbing operation site. Overhead power, communication and tram pipelines that affect the climbing operation should be avoided on the climbing surface and the climbing operation site.
The climbing operation site should be set within the red line of construction land to avoid conflict with municipal pipelines, roads and greening, and the climbing operation site should be set within the red line of land as far as possible.
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