The required height of the protective railings facing the roof

Legal analysis: 1. Border protection should adopt standardized and tool-type protection facilities. The height of the railings should not be less than 1.05m, and the height of the railings in high-rise buildings should be increased appropriately, but should not exceed 1.2 meters; 2. The railings should not be left empty within 0.1 height from the ground or roof; 3. In places where children are active, the railings should be A structure that is not easy to climb. 4. The foundation pit for edge protection is built with steel pipes and double-channel guardrails (the lower channel is 0.5 meters above the ground and the upper channel is 1.1 meters above the ground). The column is embedded in the ground to a depth of 50 to 70 centimeters. The height of the exposed ground is 1.2 meters, the distance between the columns is set to 2 meters, and the distance between the columns and the slope of the foundation pit should not be less than 0.5 meters. 5. The surface of the foundation pit is sprayed with yellow and black plastic powder, and a dense safety net is installed inside the protection. A 20-centimeter-high skirting board is installed at the bottom of the protection, and the warning "No throwing objects, no crossing" is written.

Legal basis: "Construction Law of the People's Republic of China"

Article 7 Before starting a construction project, the construction unit shall, in accordance with relevant national regulations, report to the people at or above the county level where the project is located The construction administrative department of the government shall apply for a construction license; however, small projects below the quota determined by the construction administrative department of the State Council are excluded.

Construction projects that approve construction start reports in accordance with the authority and procedures prescribed by the State Council will no longer receive a construction permit.

Article 36 The safety production management of construction projects must adhere to the policy of safety first and prevention first, and establish and improve the responsibility system for safety production and the mass prevention and control system.

Article 37 The design of construction projects shall comply with the construction safety regulations and technical specifications formulated in accordance with national regulations to ensure the safety performance of the project.

Article 51 When an accident occurs during construction, the construction enterprise shall take emergency measures to reduce casualties and accident losses, and report to the relevant departments in a timely manner in accordance with relevant national regulations.

Article 52 The quality of construction project survey, design, and construction must meet the requirements of the relevant national construction project safety standards, and specific management measures shall be prescribed by the State Council.

When national standards related to construction project safety cannot meet the requirements for ensuring construction safety, they should be revised in a timely manner.

Article 53 The state implements a quality system certification system for units engaged in construction activities. Units engaged in construction activities may, on a voluntary basis, apply for quality system certification from the product quality supervision and management department of the State Council or a certification agency recognized by a department authorized by the product quality supervision and management department of the State Council. Those that pass the certification will be issued a quality system certification certificate by the certification agency.