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Safety Protection Scheme for Building 4 of Dijing Garden
I. Compilation basis:
Safety code for working at heights in building construction JGJ80-9 1
Safety helmet GB28 1 1-9 1
Safety belt GB6095-85
Close-eye safety net GB 16909-97
Construction safety inspection standard JGJ59-99
Construction Organization Design of No.4 Building in Dijing Garden
Design drawings of No.4 building of Dijing Garden
Second, the project overview
1. Building No.4 of arcadia Royal Garden is a frame shear wall structure, and the infilled wall is a ceramsite concrete hollow block. The first floor is underground, and the eleventh floor is on the ground, with thermocline. Function: residence, with a building height of 36.49 meters, a building area of 480.89 square meters and a total building area of 6486. 10 square meter;
4. Construction conditions and environment: Building 4 of arcadia Dijing Garden is located in arcadia District, north of North Outer Ring Road in Langfang City. It is adjacent to the 6 # building of Imperial Garden in the north, 3 # building of Imperial Garden in the east, 5 # building of Imperial Garden in the west and 4 # building of Huajingyuan in the south, which is an ideal living environment.
3. Main construction methods: Backhoe excavator is used for earthwork, JS-500 forced mixer is used for concrete mixing, concrete pump is used for transportation, and tower crane is used for vertical transportation.
4. Personnel situation: This project is constructed by the third project department of Foster Construction Engineering First Branch, which consists of four departments. The operating floors are: reinforcement class, carpentry class, concrete construction class, bricklayer class, hydropower class and maintenance class. All personnel are engaged in this type of work, familiar with the safety technical operation procedures of this type of work, and have high safety quality and safety awareness.
III. Deployment of Construction Safety Department:
1. Establish a safety guarantee system with the project manager as the first responsible person on the construction site.
4. Define the safety protection facilities of this project and the acceptance procedures and responsible persons of safety facilities during construction.
3. Implement the preparation, approval and specific implementers of various safety technical measures in the construction process.
4. Strengthen the safety protection of seasonal construction and the management of labor protection articles.
5. Formulate safety management measures and penalties for violation of regulations that conform to the characteristics of this project.
Four, the main safety precautions
1. Settings of safety net:
(1) Hangers are used in the outer main stage of this project, and flat net bags are used in every third floor from the first floor below the construction floor.
⑵ The safety net must have the inspection certificate of the quality and technical supervision department and the use license approved by the safety supervision department.
(3) The federated eye network is arranged on the inner side of the external scaffold, and the working faces at the edges should be close to each other.
(4) When installing, each looper on the federated eye network must wear a fiber rope made of the same material and tie it on the external scaffold, following the principles of convenient knotting, convenient connection and easy disassembly.
5] Dense mesh network connection.
[6] In addition to the protection and facilities for aerial work, the elevator wellhead should also be provided with fixed flat nets on the first floor and every second floor.
A flat net surface should not be stretched too tightly, and the binding points should be evenly distributed along the edge of the net, and the binding should be firm.
4. Safety protection of deep foundation pit.
(1) Protective railings shall be set at the edge of foundation pit. For the protection of deep foundation pit, please refer to the foundation pit wall protection scheme. Soil and machinery shall not be piled up within the range of 1m at the edge of foundation pit.
(2) If cracks appear on the slope or large particles keep rolling down during excavation, the construction personnel should immediately evacuate, analyze the reasons in time and take effective measures to solve them.
(3) Set drainage ditches or water retaining dikes at a distance of 1m from the pit bottom to prevent the influx of surface water, and set sump and drainage ditches around the pit bottom.
3. The hole protection.
(1) There are reserved holes for upper and lower pipes on the roof and floor platform, and they are covered with cover plates. Protective railings are set around the wellhead of each layer of air shaft, and a safety net is set below the wellhead. The elevator wellhead is provided with a protective fixed door, and every two floors in the well are provided with a safety flat net.
(2) The vertical hole of the wall and the floor-to-ceiling hole are all provided with fixed or switch-type protective doors.
(3) After the construction of each layer of post-cast strip is completed, it will be covered and fixed with precast cover plates.
4. Border protection.
(1) Protective railings shall be set around the foundation pit, roof and floor.
⑵ Temporary protective railings should be installed on stairs and stair edges.
⑶ Protective railings are set on both sides of the material platform, switch-type safety doors are set at the platform mouth, and safety protection sheds are set at the top of the ground passage.
5. Safety protection of suspended operation.
(1) Suspend shuttering operation.
(1) It is forbidden to climb up and down on connectors and supports, and it is forbidden to load and unload templates on the same vertical plane.
(2) For the corner beam formwork, set up an operation platform and hang up the safety belt.
(3) When limb and hole are formed, advance protection shall be carried out immediately.
2 binding steel hanging operation.
(1) Tie steel bars and install steel skeleton, set up necessary scaffolding and ...
(2) When binding side column and side beam reinforcement, set up operation platform and fasten your seat belt.
(3) When binding steel bars, it must be operated on the supporting operation platform, and it is not allowed to stand on the steel skeleton or climb up and down the skeleton.
(3) Hanging operation of pouring concrete.
(1) When pouring concrete on each floor, protective railings should be set around the floor and top holes.
(2) The operation platform shall be set for the shelves and small platforms that are poured more than 2m from the ground, and it is not allowed to stand on the formwork or support for operation.
(4) Hanging operation of door and window engineering.
(1) When installing glass, it is forbidden for the operator to stand on the top of the glass and climb the doors and windows horizontally.
(2) When operating the window, the operator's center of gravity is indoors, and he can't stand on the windowsill. Hang up the seat belt when necessary.
6. Safety protection of cross operation section.
(1) When dismantling scaffolding and formwork, there are no other operators below.
⑵ The temporary stacking place of removed formwork, scaffolding and other components is more than 1m from the floor edge, and the stacking height is not more than1m.. It is forbidden to pile things on the edge of stairs, holes and scaffolding.
(3) The area involved in the tower crane on the construction site shall be provided with a double-layer safety protection shed.
Correct use of safety helmet.
(1) All personnel entering the construction site must wear safety helmets correctly.
(2) When using the safety helmet, carefully check whether there is any damage on the cap shell and cap lining, fix the assembly ring and fasten the top rope.
(3) After wearing a hat, check whether the hoop is tight. After that, tighten the hoop and fasten the mandibular belt.
(4) Don't use the safety helmet as a stool to sit at rest, and don't use the safety helmet as a container for holding things after work.
5] Sun hats and rain hats are not allowed to replace safety helmets in hot weather.
⒏ The use of seat belts.
(1) When in use, hang it high and use it low to prevent the swinging rope from knotting.
⑵ Keep the seat belt properly when not in use, and do not pick up high temperature, open flame, strong alkali or sharp objects.
(3) Don't buy and use unqualified seat belts.
(9) Safety protection for aerial work.
(1) aerial work personnel must be qualified doctors with experience. Anyone who is not suitable for aerial work shall not engage in aerial work.
(2) The aerial work area must be marked as a restricted area, fenced, and pedestrians and idlers are prohibited from entering. At the entrance and exit of the building, a protective shed with a width of 3 ~ 6m greater than 1m should be erected on both sides of the passage, and the roof should be covered with scaffolding with a thickness of not less than 5㎝.
(3) A fixed double safety net must be set around the first floor of the building, and a horizontal safety net should be fixed every three floors.
(4) aerial work personnel must walk according to the prescribed route, and it is forbidden to climb or walk along high-wall scaffolding, cantilever beams, supporting and running hanging baskets without protective facilities.
5] After aerial work, there should be enough lighting equipment and lightning protection facilities.
[6] It is forbidden to engage in aerial work in the open air in windy, rainstorm, heavy snow and foggy weather.
⒑ Temporary electricity safety protection.
(1) Do a good job in temporary power consumption design according to relevant regulations, and establish a regular inspection system for on-site lines and facilities.
2 distribution lines must be neatly laid and buried according to relevant regulations.
(3) The distribution system must adopt hierarchical distribution, and the installation and internal settings of all kinds of distribution boxes and switch boxes must comply with relevant regulations, and the switch appliances should indicate their purposes.
(4) Electrician operation must be carried out by two people at the same time, one for homework and one for guardianship.
(1) Safety protection of construction machines and tools.
(1) The foundation and installation of the tower crane shall conform to the national standards and the original factory use regulations, and can only be used after the acceptance formalities.
2 tower crane safety device must be complete, sensitive and reliable.
(3) When the motor dump truck is less than 5km, it is forbidden to carry people while driving.
(4) The frog rammer must be operated by two people, and the operators should wear insulating gloves and insulating rubber shoes.
5] Fire safety management.
(1) The doorman system shall be established on site, and the voucher access system shall be implemented.
2 Yard, warehouse settings should meet the requirements of public security fire control.
(3) The site should be equipped with sufficient fire-fighting equipment, so that the layout is reasonable, and regular attention should be paid to repair and maintenance.
(4) Strictly implement the system of hot work declaration and batch approval, and thermal insulation materials shall not be used.
Verb (abbreviation of verb) safety management measures
1. Management of safety protection facilities.
(1) According to the national industrial safety regulations and standards, it is forbidden to use protective equipment.
2 Safety protection articles shall be managed by special personnel, and hidden dangers shall be handled in time. It is forbidden to use protective equipment that does not meet the requirements.
(3) Safety protection facilities must be set in strict accordance with the scheme and relevant specifications and standards, and supervised and managed by designated personnel.
(4) Safety protection facilities shall not be changed at will. When the engineering situation changes, the corresponding safety protection facilities must be approved before they can be changed.
5] Safety protection facilities shall be hung with corresponding signs.
Implementation of safety responsibility system and management measures.
(1) All departments on site shall perform their duties in strict accordance with the responsibility system.
⑵ Link the responsibility system for production with economic benefits, with clear rewards and punishments, regularly check the implementation of the responsibility system for production safety, commend those who perform well, and criticize and punish those who are irresponsible.
(3) Give full play to the work of group prevention and control, and extensively carry out publicity and education, so that everyone can understand that in addition to conscious observation, they can also supervise others' observation.
(4) The site leaders should take the lead personally, be serious and responsible, lay out plans, check, summarize and compare production, and at the same time lay out plans, check, summarize and compare safety work. We should consciously implement various safety production rules and regulations and be a model of obeying the law.
3. Safety rewards and punishment.
Safety reward and punishment measures:
(1) Reward those who attach importance to safety production, actively put forward reasonable suggestions on safety management, take decisive measures to stop and avoid safety accidents in an emergency, and dare to fight against unsafe behaviors.
(2) Those who enter the construction site without wearing safety helmet, work at heights without wearing safety belt or without safety protection measures will be fined 100 yuan.
(3) Workers who don't hold relevant certificates and don't follow the safety technical operation rules of this type of work will be fined 100 yuan.
(4) Whoever knowingly fails to report or rectify potential safety hazards will be fined 500 yuan.
All fines will be deducted from the salary.