The first building protective net is usually hung on the second floor (3 ~ 4m high), and then a movable building protective net (GB5725-85) is hung every 6 ~ 8m. Multi-storey or high-rise buildings should be provided with a fixed building protection net on the second floor and a fixed safety net every four floors.
The distance between the net and the surface of the object below (or on the ground) shall not be less than 3m. When hanging the building protective net, it should be considered in advance that there should be a retractable movable building protective net at the temporary position where materials need to be imported and exported. When hanging materials, the net should be put away and restored to its original state immediately after use.
Extended data
A safety net must be hung below the high-altitude operation position; When the height of the building is more than 4m, a safety net that gradually rises with the wall must be set, and then a fixed safety net should be set every 4m. Outside the frame, the bridge, and the upper and lower openings must be provided with safety nets.
The erection of safety net should be low inside and high outside, and the elevation difference of expenditure part is generally about 50cm; The support rod is free from fracture and bending; The clearance between the inner edge of the net and the wall should be less than15cm; ; The distance between the lowest point of the net and the surface of the object below is more than 3m. For the scaffold used for erection of safety net, the diameter of small head of wooden pole shall not be less than 7cm, the diameter of small head of bamboo pole shall not be less than 8cm, and the spacing between poles shall not be greater than 4 m. ..
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