Discuss safe and civilized construction and environmental protection measures for deep foundation pit support projects?

Safe and civilized construction and environmental protection measures for deep foundation pit support projects

1 Safety production assurance measures

1.1 Safety management network and organizational measures

1.1.1 Establish a safety leading group with the project manager as the first responsible person to manage the network,

1.1.2 Safety management network

1.1.3 The company is responsible for project safety production Take out insurance to insure the accidental injury and third-party personal insurance of the construction workers of this project with an insurance company to ensure the personal safety of the personnel.

1.1.4 Entrust the Suqian City Safety Supervision Department to conduct safety supervision, and implement safety production and civilized construction work in accordance with safety management requirements.

1.2 Safety management systems and measures

1.2.1 Improve production safety responsibility systems at all levels, implement various rules and regulations on production safety and safety rewards and punishment regulations, and establish safety inspections and safety duties system to put an end to blind construction, illegal command, and illegal operations.

1.2.2 Conduct safety technical briefings and safety awareness education for all construction personnel, and firmly establish the idea of ??safety first and prevention first. Special pre-work safety training is provided to general workers, and those who receive briefings must complete the signing procedures.

1.2.3 Establish a safety inspection ledger, carry out special inspections on production safety regularly and irregularly, earnestly pay attention to accidents and hidden dangers, and implement corrective measures in a timely manner.

1.2.4 Earnestly set up various safety facilities and distribute equipment, and set up a safety reward fund with dedicated funds to prevent major casualties.

1.2.5 Five signs and one picture will be hung on site. Namely: project overview board, safety discipline board, safety placard, safety record board, civilized construction system board and construction site layout plan. Safety slogans or warning signs must be installed at major operating points, dangerous areas, and main entrances.

1.2.6 The site implements closed management. Gates are set up at the entrance and exit of the construction site, and there are gatekeepers and guard systems to ensure safety and security in the construction area. No idle personnel are allowed to enter the construction site without permission.

1.3 Safety production job responsibilities

1.3.1 Project manager: The first person responsible for safety production, fully responsible for safety production.

1.3.2 Deputy Project Manager: Responsible for the arrangement, implementation, inspection and preparation of safety technical regulations for this project.

1.3.3 Full-time safety officer: on-site inspection, supervision, responsible for on-site safety protection and elimination of safety hazards, etc., has the right to issue instructions for the team to suspend work, and take protective measures to prevent accidents If it happens again, prepare a safety account.

1.3.4 Team leader (part-time safety officer): Responsible for the safe production of the team and the first person responsible for the team’s safe production.

1.3.5 Operators: abide by the rules and disciplines and operate according to the rules.

1.4 Safety Technical Measures

1.4.1 Safety Measures for Electricity Use in Construction

The safety officer will specially prepare the on-site temporary electricity construction plan, and conduct inspections on distribution boxes, Clear provisions are made on the safe use of electricity such as power cables and lighting.

1.4.1.1 Distribution boxes

(1) Distribution boxes at all levels should be managed by dedicated personnel and uniformly marked. The switches and electrical appliances in the box are intact, the wiring is correct, and the insulation is good.

(2) Power and lighting electricity should be set up separately, electrical appliances should correspond to power switches one by one, and one machine, one gate and one inspection should be implemented.

(3) The distribution box is equipped with leakage protection, which is sensitive and reliable.

(4) The metal shell of the distribution box is grounded and protected from zero.

1.4.1.2 Power cables

(1) Cable specifications are selected based on transmission distance and installed capacity. They must not be selected at will. Damaged cables must not be used.

(2) Cable crossings must be buried through pipes, and cable laying must not be mixed with steel bar stacking, welding processing, etc.

1.4.1.3 On-site lighting

(1) The site uses 220KV voltage and dysprosium lamp lighting. The dysprosium lamp holder is stable and firm, with a height of more than 5 meters.

(2) It is forbidden to use fancy wires or plastic wires for lighting wires, and the wires must not be dragged or tied at will.

(3) The lighting switch in the single-phase circuit is equipped with a leakage protector.

(4) The metal shell of the lighting fixture is grounded or connected to zero.

1.4.2 Construction machinery

1.4.2.1 Three-axis deep pile mixer and other engineering machinery

(1) There must be full-time personnel for entry and exit of machinery, assembly and disassembly Safety officers and captains were at the scene to provide guidance.

(2) The installation of the machine body is solid and stable. The clutch, maker, wire rope and protective cover of the lifting arm hoist are safe and reliable, and have good grounding devices.

1.4.2.2 Electric welding machine

The electric welding machine must have reliable rainproof measures. The power cord and faucet cord connections should be equipped with complete protective covers, and the wiring must not be messed up. , the welding handle is well insulated.

1.4.3 On-site fire safety measures

(1) Establish a fire prevention responsibility system, assign dedicated personnel for management, and clarify responsibilities.

(2) Foam fire extinguishers should be installed in offices and dormitory areas, dry powder fire extinguishers should be installed in power distribution rooms and distribution boxes, and yellow sandboxes should be installed in oil-using places such as generators. Smoking is not allowed in dangerous places.

(3) Construction equipment, warehouses and other areas at the construction site should be reasonably arranged and a certain fire prevention distance should be maintained.

(4) On-site electrical appliances, power supply, and dedicated personnel management to ensure that no electrical appliances catch fire. The oxygen and acetylene generators must be placed at least 5 meters away, and the distance between them and open flame operations such as welding must be greater than 10 meters.

1.4.4 Safety construction measures

(1) Construction workers should wear safety helmets, fasten safety belts when working at heights, and dress neatly when working.

(2) Each position has a fixed position and a fixed number of personnel. Leaving work, changing positions, and operating without a license are strictly prohibited.

(3) For nighttime construction work sites, adequate lighting should be provided in the main passages and mud pools, and there should be obvious notices on important parts to ensure safety.

(4) The openings after the piles are completed should be backfilled and covered in time, and obvious signs should be set up.

2 Civilized Construction Management Measures

2.1 Organization and System Management

The focus of foundation pit protection and earthwork construction management is on-site management, civilized and orderly On-site management is an important guarantee for construction schedule, quality and safety. Establish a civilized construction management leadership group headed by the project manager. On-site management personnel and construction workers should be neatly dressed, behave in a civilized manner, and wear name badges when working.

2.1.1 Reasonably arrange the construction work surface, keep the traffic roads within the site smooth and clean, prevent dust from flying, park machinery and materials in an orderly manner, and carry out civilized construction in accordance with the relevant regulations of the Municipal Appearance Committee to ensure site capacity. Appearance neat and tidy. Vehicle flushing tanks are set up at the entrance and exit of the construction site, and dedicated personnel are assigned to flush vehicles entering and exiting to ensure that vehicles do not pollute urban roads.

2.1.2 Improve the civilized construction management system, formulate an environmental sanitation management system for living areas, and improve the hygiene of employee dormitories and food hygiene in canteens. We should pay close attention to the construction of spiritual civilization, improve the quality of employees, and put an end to gambling, fighting, and alcoholism.

2.1.3 Establish an employee labor protection ledger.

2.1.4 The office should keep indoor windows clear, the floor clean, well ventilated, all kinds of items placed neatly, clean and beautiful, and the use of electric stoves is prohibited. Canteen cooking and management personnel must be in good health, operate in a civilized manner, and keep the indoor and outdoor environment of the canteen clean and tidy.

2.2 Civilized construction management system

(1) Conscientiously implement the company's civilized construction management rules, improve the company's construction management level and the quality of construction personnel, unified planning, scientific layout, and create a civilized , clean and tidy municipal-level civilized standardized construction site.

(2) Send dedicated personnel to remove accumulated water and sewage in a timely manner, keep the roads in the site smooth, ensure the movement of materials and personnel, and uniformly manage and clear on-site garbage. Littering is strictly prohibited.

(3) Improve the sanitation of living areas, canteens, toilets, etc., do a good job in food hygiene, prevent the spread of epidemic viruses, actively take preventive measures, and strive to create a good living and working environment for employees.

(4) Provide civilized construction education and strengthen fire protection and security work.

(5) Regularly inspect the construction site, summarize and evaluate, make timely rectifications, and continuously improve.

3 Environmental Protection Measures

3.1 Noise Control Measures

1. All knocking mechanical maintenance work at night is prohibited.

2. Construction machinery must be regularly maintained, lubricated and noise controlled.

3. Strictly control on-site construction noise emissions.

4. Vehicles entering the venue are prohibited from honking their horns.

5. Go to the relevant departments to apply for noise permits, post notices for the safety of residents, and coordinate the relationship with residents.

6. Safety officers will intensify inspections at night, strictly prohibit excessive mechanical noise in the site and construction workers making loud noises, and solve problems in a timely manner if they are found.

3.2 Measures for dust control

On-site and road dust control, traffic roads inside and outside the site should be cleaned frequently and kept smooth and clean. To prevent car wheels from bringing soil onto urban roads, adopt methods such as laying straw bags on hard-floor roads or flushing vehicles with water before taking to the road to avoid environmental pollution on urban roads caused by soil on the road.

3.3 Environmental Protection Measures

Domestic waste should be piled up in designated places and cleaned and transported out every day.

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