According to the national construction safety inspection standard JGJ59-99. (1) The field enclosure is 1. The enclosure height is divided according to the local administrative region, and the enclosure height set around the construction site of the main urban section is not less than 2.5m；; The height of the enclosure around the construction site of general sections shall not be less than1.8m.. The enclosure materials should be hard materials such as masonry and metal plate, and it is forbidden to use deformable materials such as striped cloth, bamboo basketry and safety net, so as to be firm, balanced, neat and beautiful. 3. The enclosure must be set continuously around the construction site, and there can be no gaps or individual weak parts. (2) Closed management 1. In order to strengthen site management, the construction site should have fixed entrances and exits. Doors should be set at entrances and exits to facilitate management. 2. The entrance and exit should have full-time guard personnel and guard management system to effectively play the role of guard. 3. In order to strengthen the management of personnel entering and leaving the site, it is stipulated that all personnel entering the construction site should wear work cards as proof and wear them neatly. 4. In the form of entry threshold, enterprises and regions can design according to their own characteristics. (3) Construction site 1. Concrete can be used for the ground of the construction site if conditions permit, and other ground hardening measures can be used unconditionally to make the ground smooth and solid. But in places where water is easy to accumulate, such as mixer shed, cement floor should be made and good drainage measures should be taken. 2. The construction site should have a circulating trunk road, which is always kept open. Without stacking components and materials, the road should be smooth and solid, and there is no large area of water. 3. The construction site should have good drainage facilities to ensure smooth drainage. 4. The waste water and mud generated by the project construction should flow to the on-site water collection tank through long water tanks or pipelines for unified precipitation treatment, and rivers and roads outside the construction area should not be discharged at will. 5. The pipeline on the construction site cannot run, run, drip, leak or accumulate water in a large area. 6. Smoking should be prohibited in the construction site to prevent danger, and a fixed smoking room or smoking place should be set up according to the engineering situation. Smoking rooms should be far away from dangerous areas and equipped with necessary fire fighting equipment. 7. The site should be as green as possible, especially in the main urban areas. (4) Material stacking 1. The stacking of tools, components and materials on the construction site must be placed at the location specified in the general plan. 2. All kinds of materials and components must be stacked according to varieties and specifications, and clearly marked. 3. All kinds of materials must be neatly stacked, such as bricks, sandstone and other materials. Large tools should be seen at a glance, and steel bars, components and steel templates should be neatly stacked and padded with wood squares. 4. The operation area and building ground should be cleaned up after completion. Except for the construction layer where concrete is being poured, the formwork shall be removed in time for the floors below that reach strength, and those that cannot be removed immediately shall be neatly stacked. 5. The garbage cleaned on each floor shall not be piled up on the floor for a long time, and shall be transported away in time. Garbage from the construction site should also be piled up in a centralized way. 6. Flammable and explosive articles cannot be mixed together. In addition to the centralized storage place on site, all kinds of scattered inflammable and explosive articles used by the team must be stored in accordance with relevant regulations. (5) On-site accommodation 1. The construction work area and living area must be strictly separated at the construction site, and they cannot be mixed. The project under construction shall not be used as dormitory, because staying in the construction area will bring all kinds of dangers, such as falling objects, personal injury, electric shock, or accidents caused by lax protection of inner holes and edges. For example, two shifts, construction noise affects workers' rest. 2. The construction work area is clearly separated from the office area and living area, with isolation and safety protection measures to prevent accidents. 3. Winter accommodation in cold areas should have warm-keeping measures and measures to prevent gas poisoning. The fire site should be set up in a unified way, managed by special personnel and in charge of the post. 4. In the hot season, the dormitory should have measures to cool off the heat and prevent mosquito bites to ensure that the construction personnel have enough sleep. 5. Beds and daily necessities in the dormitory should be neatly arranged, the number of people should be limited indoors, there should be safe passages, the dormitory door should be opened outwards, the bedding should be neatly stacked, and there should be no odor indoors. 6. The surrounding environment outside the dormitory is sanitary, and no littering is allowed. Sewage barrels and sewage pools should be set up. The road around the house is smooth. When the indoor lighting is lower than 2.4m, use a 36V safe voltage, and clothes are not allowed to be hung on the 36V wire. (6) site fire prevention 1. The construction site shall establish a fire control system or fire control measures according to the construction conditions, and record the implementation effect. 2. According to different operating conditions, fire-fighting equipment shall be reasonably equipped. For example, dry powder non-conductive fire extinguishing equipment should be set near electrical equipment; Foam extinguisher should have the date of dressing change and sun protection measures. The location and quantity of fire fighting equipment shall comply with relevant fire control regulations. 3. When the building construction height is more than 30m, in order to solve the problem that the fire extinguishing effect is not enough only by relying on fire fighting equipment, it is required to equip with sufficient fire fighting water source and self-help water consumption. The diameter of the riser is above 2: 00, and there is a high-pressure pump with sufficient lift to ensure the water pressure, and each floor is equipped with a fire water source interface. 4. The construction site shall establish a hot work examination and approval system. Any operation with open flame must be approved by the competent department (the requirements and precautions should be clearly stated when approving). During the operation, a guardian should be set up according to the regulations. After the operation, you must confirm that there is no fire danger before you leave. (7) Comprehensive management of social security 1. The construction site should set up suitable places for amateur study and entertainment for workers in the production area, so that workers can have a reasonable way of rest after work. 2. Establish the construction site security system and the division of responsibilities, and assign special personnel to check the implementation. 3. Public security work not only directly affects the safety and important work of the construction site, but also is necessary for social stability, so measures should be taken to facilitate and achieve obvious results. (8) construction site sign 1. The entrance to the construction site should be neat and clear, with "five cards and one map". Five cards: project profile card, management personnel list and supervision telephone card, fire protection card, safety production card and civilized construction card. Figure 1: general plan of the construction site. If some regions think that content should be added, they can add it according to regional requirements. The contents of the five certificates are not specified in detail, but can be combined with the characteristics and requirements of the region, the enterprise and the project. 2. Sign is an important symbol of the construction site, not only the content should be targeted, but also the sign production and standard hanging should be standardized and neat, and the font should be neat. 3. In order to further improve the safety publicity of employees, it is required that the construction site should have necessary safety slogans in obvious places. 4. The construction site should set up publicity gardens such as newspaper columns and blackboard newspapers to enrich the learning content and praise good deeds. (9) Living facilities: 1. The construction site should be equipped with toilets that meet the hygiene requirements, and flush toilets should be set up if conditions permit, and managed by special personnel. 2. Keep the building and construction site clean, and don't urinate anywhere. In the process of high-rise building construction, portable simple toilets can be set up every few floors, which can effectively solve the practical problems of construction workers. 3. The canteen building and canteen hygiene must meet the relevant hygiene requirements. For example, the chef must have a medical certificate issued by the health and epidemic prevention department, and raw and cooked food should be stored separately. The kitchen staff in the canteen should wear white work clothes, and the canteen should be inspected regularly. 4. The canteen should be hung in an obvious place, and the health responsibility system should be implemented to people. Workers on the construction site should be able to drink boiled water that meets the hygiene requirements. There are fixed water containers, which are managed by special personnel. 6. The construction site should be equipped with adequate shower facilities according to the number of workers. In cold season, the shower room should have heating and hot water, and the shower room should have a management system and special personnel management. 7. Domestic garbage should be cleaned up in time, transported in containers, and not mixed with construction garbage, and managed by designated personnel. (10) medical care and first aid 1. Large construction sites should be equipped with infirmary and full-time doctors on duty. General construction site unconditionally set up the infirmary, there should be health care medicine boxes and commonly used drugs, and there should be doctors visiting for medical treatment. 2. In order to adapt to temporary accidental injuries, first aid equipment (such as stretchers, etc. ) should be able to rescue in time at the scene, not to expand the damage. 3. The construction site should have trained and qualified first-aid personnel who know the general knowledge of first-aid treatment. 4. In order to ensure the health of workers, publicity and education on health and disease prevention should be carried out timely and regularly in the popular season. (xi) Community service 1. The construction site is not a nuisance. Dust-proof and noise-proof facilities shall be set up according to the construction technology, which shall not exceed the standard (the noise on the construction site shall not exceed 85 decibels). 2. According to local regulations, when construction must be carried out outside the allowed construction time, it shall be approved by the competent department and the surrounding work shall be done well. 3. Toxic and harmful substances shall not be burned on the spot and treated according to relevant regulations. 4. Measures that don't disturb people should be made on site. Responsible for management and inspection, or contact the community regularly to listen to opinions, reasonable opinions should be handled in time, and make a good record of work. "Three treasures" and "four mouths" protection. Basic terms 1. According to the actual situation of this project, the safety technical measures and required materials for high-altitude operation must be included in the construction organization design of this project; 2. The person in charge of the unit project construction shall be responsible for the safety technology of aerial work in this project, and establish the corresponding classification responsibility system; 3. Before construction, conduct safety technical education and disclosure step by step, and implement various safety technical measures and personal protective equipment. No construction can be carried out without implementation. 4. Safety signs, tools, instruments, electrical facilities and various equipment for aerial work must be inspected before construction and can be put into use only after being confirmed in good condition; 5. Climbing and hanging aerial workers. Personnel who set up safety facilities for high-altitude operations must go through professional technical training and professional examinations, hold relevant certificates and have regular physical examinations; 6. During the construction, when defects and hidden dangers are found in the safety technical facilities for working at heights, they must be solved in time, and when personal safety is endangered, the operation must be stopped; 7. The materials used for aerial work on the construction site should be piled up smoothly, which will not hinder the passage and loading and unloading. Tools should be conveniently put into the tool bag, and the walkways, access panels and climbing tools in operation should be cleaned and transported away in time. They should not be randomly placed or discarded downwards, and it is forbidden to throw passing objects. 8. When working at heights in rainy and snowy days, reliable anti-skid, cold-proof and anti-freezing measures must be taken to remove all water, ice, frost and snow in time; High-rise buildings engaged in aerial work should be equipped with lightning protection facilities in advance. In case of severe weather such as strong winds and dense fog above level 6, open-air climbing should be stopped and aerial work should be suspended. After snowstorm, typhoon and rainstorm, the safety facilities for aerial work should be inspected one by one in time. If it is found to be loose, deformed, damaged or falling off, it should be repaired immediately. 9. If the safety protection facilities need to be temporarily removed or changed due to operation, it must be approved by the construction director and corresponding reliable measures must be taken, and it will be restored immediately after operation; 10. When the protective shed is erected and dismantled, a warning zone shall be set up and special personnel shall be assigned for monitoring. It is forbidden to dismantle from top to bottom at the same time; 1 1. The mechanical calculation of the main stressed members of the safety facilities for working at heights is based on the general structural mechanics formula, and the strength and deflection are calculated according to the current relevant codes. However, the influence of plasticity is not considered in the strength calculation of steel flexural members, and the structure should meet the requirements of the current corresponding codes. 2. 1 Safety protection of edge operation at the entrance. Protective measures must be set for work at height near the edge, including the base edge, balcony without railings or handrails, material platform, awning and overhanging edge, roof without outriggers, water tank and water tower, etc. , and shall comply with the following provisions: the perimeter of the second floor and the wall surface of the first floor are more than 3.2m, and the floor without external scaffolding is more than 3.2m. Temporary guardrails must be installed at the edges of stairs and steps constructed in layers, and the top stairs should form formal protection with the engineering structure; Protective railings must be installed on both sides of the passage between the derrick and the construction elevator, scaffolding and other buildings, and a safety protective shed should be installed on the upper part of the ground passage, and the middle of the passage between the double-cage derrick should be isolated and closed; For all kinds of vertical transportation receiving platforms, in addition to the protective railings on both sides, the platform mouth should also be provided with safety doors or movable protective railings.