What are the safe production operating procedures for bored piles?

The safe production operating procedures for bored piles are very important. Each procedure is formulated to better deal with practical problems, and every detail is based on safety considerations. Zhongda Consulting will introduce to you the safe production operating procedures for bored piles.

Chapter 1 General Provisions

Article 1: In order to implement the production policy of “safety first, prevention first” and ensure the safety and health of cast-in-place pile construction personnel during the production process , specially formulated this regulation.

Article 2: This regulation applies to construction projects engaged in cast-in-place pile construction.

Chapter 2 Basic Requirements

Article 3: The person in charge of the cast-in-place pile construction project is fully responsible for the safety work during the construction process and is the first person responsible for safety production. During the organization of the construction process , must work with construction workers and safety officers to carefully organize and implement relevant regulations and measures for safe production.

Article 4: Each construction project must organize weekly safety publicity and education, promptly implement relevant superior documents, rules and regulations, and conscientiously study safety knowledge, so that employees in each position can master the construction safety operating procedures and various safety regulations. Safety rules and regulations, inspect and urge all positions to strictly abide by the regulations.

Article 5: All on-site workers must undergo safety training first, and can only start working after passing the assessment. Special types of work, such as electricians, electric (gas) welders, crane workers, on-site motor vehicle drivers, etc. must hold relevant certificates to work. Temporary workers are only allowed to do auxiliary work.

Article 6: Workers must strictly abide by labor disciplines. They must not play, sleep, or leave their jobs without permission during the project. They must not drink before going to work. They must wear personal labor protection equipment. Safety belts must be worn when working on the tower.

Article 7: When handing over a shift, workers should conduct a detailed inspection of the machines and tools they use, and deal with unsafe factors in a timely manner. The team leader should assign tasks and explain the use of equipment and labor composition before the shift. Specific safety precautions and conscientiously implement team safety work regulations.

Article 8: The person in charge of the construction project and the constructors should formulate safety measures based on the construction design requirements and the specific environment on the site, and include them in the pre-job safety education. The safety responsibility signs, placards and safety signs at the construction site are complete and clear and eye-catching.

Article 9: Cast-in-place pile construction projects must be equipped with full-time safety officers whose responsibilities are:

1. Cooperate with the person in charge of the construction site to formulate site construction safety rules and regulations, construction measures, and supervise 2. Inspect the implementation of safety rules, regulations and measures; if an emergency situation threatens the lives of employees, they have the right to order a shutdown and report to the project leader in a timely manner.

2. Responsible for writing safety production technology design, measures and safety construction summary in project organization design.

3. Participate in pre-construction safety inspections at the construction site, and conduct safety technical briefings and pre-job safety education for on-site construction personnel.

4. Independently exercise safety veto power during work summaries, evaluations, and rewards.

5. Participate in the investigation of accidents, and provide opinions on how to deal with general accidents in accordance with the "four no-misses principle" according to regulations.

6. Responsible for reporting monthly reports on work-related injuries and production safety to the branch or company safety department.

Chapter 3 Construction Site

Article 10: Before on-site construction, the distribution of high-voltage transmission lines, underground pipelines, communication cables, surrounding structures, etc. must be checked at the construction site and nearby areas. and take targeted security measures.

Article 11: The construction site should have three connections (water, electricity, roads) and one level (the site is flat). Drainage and slag removal at the construction site should be done well. Construction on landslides should be carried out to strictly prevent construction water use. To induce slipping problems, drainage ditches should be dug during rainy season construction.

Article 12: All types of mechanical equipment, lines, roads, material yards, mud pools (pools), steel sheds, mixer sheds and living facilities at the construction site should be reasonably arranged, and safety and fire escape routes should be retained. The site must meet safety and health requirements and must be ready before construction.

Article 13: The erection of power and lighting cable lines on the construction site must comply with the requirements of JGJ46-2005 "Technical Specifications for Safety of Temporary Electricity at Construction Sites" and must not be used overloaded.

Article 14: The construction site must be equipped with sufficient fire-extinguishing equipment, and on-site oil and other flammable and explosive sites must be kept away from fireworks and properly kept.

Article 15: The construction site should be equipped with a medical kit to store a certain amount of trauma first-aid drugs and replenish them in time.

Article 16: Dangerous areas within the construction site should be hung with signs such as "Danger" and "No Passage", or protected by fences, covers, etc.; red lights should be installed at night to warn. Before the start of the construction site, the layout of the construction site, equipment installation, etc. must be inspected and accepted. At the same time, the safety department should participate in signing opinions. According to the nature and size of the project, a corresponding level of safety approval system and start-of-construction notice system should be implemented.

Chapter 4 Equipment Installation, Disassembly and Relocation

Article 18: Mechanical equipment must be installed on a flat, solid site, and soft sites must be compacted and padded. For wood and planks, the drilling rig operating on the bench must have a reliable connection between the chassis and the bench.

Article 19: Mechanical equipment must be installed firmly, squarely, and level to ensure that no tilt, movement, or subsidence occurs during construction.

Article 20: Mechanical transmission of equipment (gears, direction shafts, belts and pressure pulleys must have strong protective fences or protective covers on the outside, and the pressure pulley wire rope must be protected).

Article 21: The thickness of the wooden platform laid on the platform shall not be less than 40mm. When auxiliary steel plates are installed, anti-slip measures shall be taken. The ladders of the tower, the workbench and its guardrails must be firmly installed. , reliable, the height of the guardrail should be more than 1.2m, the pulleys and crane wheels must use steel castings, the crane wheels must have crane baffles, and if necessary, there must be lifting wire rope limiters and safety baffles to prevent the wire rope from jumping.

Article 22: The installation, disassembly and relocation of the tower must be under the unified command of the aircraft (team) captain or technical personnel. It is strictly prohibited to throw tools and objects up and down. It is strictly prohibited to operate the tower up and down at the same time. It is strictly prohibited to move the tower Store disassembly and assembly tools and objects on the floor or at high altitudes. When the tower is erected as a whole, non-operators should leave the tower lifting range.

Article 23: Towers shall not be installed under transmission lines. When the tower is erected or brought down, a certain safe distance must be maintained between its outer edge and the edge of the transmission line.

Article 24: When relocating equipment, obstacles on the way should be checked and removed first, and designated personnel should be assigned to look after the cables to prevent rolling damage. Unrelated personnel should be evacuated to a safe area.

Article 25: For platforms that use rolling tracks or rollers to shift, the safety conditions of the tracks, pulleys, rollers, wire ropes, outrigger cylinders, etc. should be checked in advance. When shifting, strive to be smooth and uniform to prevent tipping. .

Article 26: When the truck-mounted drilling rig is moved, the mast must be lowered and the cables must be removed. After the drilling rig is in place, the wheels should be plugged with triangular wood and the legs must fall on the abutment wood.

Article 27: When transporting machinery and equipment by car, they must be securely tied up and loaded and unloaded under the command of experienced people, with good coordination. It is prohibited to haul overweight equipment by car, and manual loading and unloading must be carried out in time. , a wooden tray with sufficient strength is required.

Chapter 5 Use of Electrical Equipment

Article 28: The installation, use and maintenance of various electromechanical equipment shall be carried out in accordance with the requirements of its instructions, and electrical work shall be carried out in accordance with its specifications conduct.

Article 29: Non-electricians are not allowed to perform wiring, installation and maintenance of electrical equipment and lines.

Article 30: Mechanical and electrical equipment must establish a system for use, inspection, maintenance and upkeep, and be equipped with safety protection facilities. At the end of the project, timely organize personnel to inspect and repair the equipment to ensure safety and reliability.

Article 31: Self-made or modified mechanical equipment must ensure sufficient strength and complete safety protection facilities; self-made towers should not only have sufficient structural strength, but also have sufficient stiffness. and stability; except for homemade hand-cranked winches, they must have anti-fall self-locking (carding) devices. At the same time, various homemade and modified equipment must be evaluated and accepted by superiors or the equipment and safety departments of the unit before they can be put into use. use.

Article 32: While the machinery is in operation, parts and components are not allowed to be disassembled and repaired. When disassembling, cleaning and inspecting the machinery, precautions must be taken to prevent injuries from rotating.

Article 33: All types of machinery are not allowed to be overloaded or operated in a sick condition.

Article 34: Electrical equipment and lines must be well insulated, and the insulation resistance of cables shall not be less than 0.5mΩ.

Article 35: Cable lines should be laid overhead or suspended according to the plane layout of cast-in-place piles. Cable lines that often need to be moved should be laid in obvious places where they will not be rolled by vehicles or hit by human debris or pipe workpieces. They should not be placed in the soil or water. The power must be turned off once a week to check the appearance of the cable for wear and tear, and any problems will be dealt with promptly. When cables pass through temporary roads, steel pipes should be used as sheaths and trenches should be dug for laying.

Article 36: Each machine should be equipped with a power distribution cabinet. There should be enough blade switches, air inlets and sockets in the cabinet, and a leakage protector should be installed, and the name of the machine used should be marked. , The power distribution cabinet should have rain-proof measures.

Article 37: Fuse boxes, fuses, and fuses must be used according to specified specifications. If fuses blow continuously, the cause should be identified and dealt with. It is strictly prohibited to twist and thicken multiple fuse strands or use other metal wires such as steel wire, iron wire, copper wire, etc. instead.

Article 38: The metal shell or frame of electrical equipment must be protectively grounded or connected to zero according to technical conditions. However, some electrical equipment on the same power grid must not be grounded and some connected to zero, and the grounding or zero connection devices must not be removed without authorization.

Article 39: There should be sufficient lighting for night construction, and the lamps should be hung and fixed on appropriate racks so as not to hinder the construction work; low-voltage electrical equipment, such as Class II power tool safety lights, etc. It is used within the scope of national standard GB3885-83 "Safety Voltage".

Article 40: When overhauling electrical equipment and circuits, the power supply must first be cut off, and a sign saying "Someone is working, closing is prohibited" must be hung on the switch. If you need to work with power, you must have a Ensure safety measures and have dedicated personnel to supervise.

Article 41: When using a diesel generator set to provide power, there should be dedicated personnel to manage the unit. The unit should be equipped with safety protection devices. If it is connected to an external line power supply, an interlocking device should be installed. Parallel operation is strictly prohibited. At the same time, relevant regulations of the local electrical industry department should be followed.

Article 42: When extinguishing fires in electrical equipment or other fires in the workplace, the power supply should be cut off immediately. It is strictly forbidden to use water or foam fire extinguishers to extinguish the fire before cutting off the power supply.

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