What are the requirements of building codes for preventing high-altitude parabolic objects?

According to 5.2. 1 corridor in Section 5.2 of Residential Building Code, the clear width of corridors and passages in public parts should not be less than 1.20m, and the clear height of local areas should not be less than 2.00m. 5. 2. 2 The clear height of railings in airports such as verandahs, inner patios and main roofs should not be less than1.05m; Six floors and below; Seven floors and above shall not be less than 1. 10m. The railings should be protected from climbing, and the clear distance between the vertical poles should not be greater than 0.11m. 5.2.3 The clear width of the stair section shall not be less than 1. 10m. For residential buildings with six floors or below, the clear width of stairs with railings on one side should not be less than 1.0m, the stair tread width should not be less than 0.26m, the tread height should not be greater than 0.1.75m, the handrail height should not be less than 0.90m m, and the handrail height should not be less than 1.05m m when the railing length in the horizontal section of stairs is greater than 0.50m. 5.2.4 The entrances and exits of residential buildings and ancillary buildings shall be arranged separately. When public entrances and exits of houses are located at the lower part of balconies, verandahs and open stair platforms, safety measures should be taken to prevent people from falling.