List of major hazard sources and control measures
Risk factors of serial number business activities
Who or what (source)
Probably hurt. Hurt the will
How to judge the consequences of injury
I-v risk level control measures control
Plan remarks
1. The construction personnel working at heights and vertically crossing operations are not focused; Improper use of safety supplies and appliances; Operators with imperfect protective facilities
People passing by below
The equipment below fell from a height.
Casualties caused by falling objects
Equipment damage V 3 implement safety measures, and supervise and inspect a, b and e on site.
2. The leakage protector in the construction distribution board fails; Equipment protective cover is incomplete; Bare conductor; Operators with poor grounding and zero connection.
Electric shock in the workplace;
Excessive temperature of bare conductor will ignite the arc burn of surrounding combustible materials.
casualties
fire
Damage to facilities Ⅳ 3 Implement safety measures and conduct on-site supervision and inspection b
3. Welding (including welding in containers and pipelines) and cutting operations do not use protective equipment, oxygen and acetylene do not meet the requirements, and air leaks. Finally, the construction personnel strictly implement the safety regulations.
People around the work area
Air leakage in the workplace
Arc burns due to poor ventilation in containers and pipes.
fire
explosion
Poisoning and suffocation Ⅳ 3 ventilation, personal protection, safety regulations and safety measures should be strengthened.
4. Scaffolding should be erected, dismantled and collided at the end of the operation according to the specification requirements; Construction personnel who have not used protective equipment
Scaffolding around the operation area is toppled.
Casualties caused by falling from a height
In case of facility damage, v4 shall implement all measures of safety laws and regulations, and implement acceptance system B in combination with on-site inspection.
5. The high-rise building construction safety protection device fails, the concrete fails to reach the strength improvement platform, and the boards are improperly laid or defective.
Hanging cage personnel fall around the operation area.
Bucket collapse
Fall from a height
Casualties caused by falling objects from high altitude
In case of equipment damage, v4 shall implement all measures in safety regulations, and implement acceptance systems B and E in combination with on-site inspection.
Risk factors of serial number business activities
Who or what (source)
Probably hurt. Hurt the will
How to judge the consequences of injury
I-v risk level control measures control
Plan remarks
6. Masonry scaffolding does not meet the requirements for safe use, materials are stored too much, objects fall from a height, and people's behavior is not standardized.
Collapse of personnel around the operation area
Casualties caused by scaffold fracture
In the case of damaged facilities, IV 3 implements various measures of safety regulations, and implements acceptance system B in combination with on-site inspection.
7. The safety protection facilities of four mouths and five mouths are not timely, and the operators are unqualified.
In the past, IV 3 personnel who fell from a height were injured and killed in accordance with safety regulations, and B, C and E were protected in time.
8. Operators with radiation source leakage, unclear division of operation area and inadequate monitoring during radiographic inspection.
Radiation source leakage of personnel around the operation area
Incorrectly entering the operation area and causing radiation injury V 4 should implement safety regulations and implement measures. b
9. The tubing of hoisting machinery burst, the brake failed, the wire rope was worn out of limit, the machinery worked in spite of illness, and people's behavior was not standardized.
Casualties caused by sudden drop of personnel, equipment and parts around the operation area.
Equipment damage v3 test check b
10. Transport machinery is in operation, transporting objects that are too long, too wide and too high, the driver violates the rules, the brake system is out of control, the binding rope is loose, the objects are scattered, and the parts are unstable.
People around the traffic area
Transporting goods and equipment overturned.
Materials and materials slip and damage the equipment.
Strengthen supervision and inspection and implement safety measures.
1 1. The boom hose of concrete machinery works swings and bounces, blocking the pipeline, and the concrete shotcrete worker.
Casualties caused by improper handling of mechanical faults by equipment operators.
Mechanical damage V 3 strengthen supervision and inspection and implement safety measures b
v 3+
Risk factors of serial number business activities
Who or what (source)
Probably hurt. Hurt the will
How to judge the consequences of injury
I-v risk level control measures control
Plan remarks
13. The processing machinery and operating equipment leak electricity, and the operator violates the operating rules.
collide
Ⅳ 3 Strong safety supervisor participates in casualty accidents, and carries out Class B and C work according to safety regulations.
14. There are no technical measures in hoisting operation, or the measures are improper or not implemented according to the measures, the objects are not firmly bound, the safety factor of slings and spreaders is not enough, personal protection is improper, there are hidden dangers in hoisting machinery, and the operators make mistakes in command.
People around the work area
Sudden drop of equipment parts
Non-operators damage the mechanical equipment in the hoisting area.
Casualty accident V 4 strengthen supervision and inspection, and implement safety measures c and e.
15. Equipment hauls people in dangerous areas, tools and instruments are improperly used, hauling speed is too fast, and operators pry or smash scroll bars.
People around the work area
Personal injury caused by equipment squeezing, touching and smashing.
In case of equipment damage, v3 shall comply with safety regulations and implement measure B..
16. Speed limit of construction elevator operation, speed limit, brake failure, irregular operation, elevator operators
Elevator equipment falling
Casualties caused by squeezing
When the equipment is damaged Ⅳ 3, the safety regulations and measures B and E shall be implemented.
17. The installation of the storage battery violates the operating procedures, and personal protection and protective measures for operators with sulfuric acid discharge are improper. IV 3 operate according to the requirements of safety regulations.
18. Fatigue operation of single machine commissioning, equipment failure, incomplete or unclear handover record, misoperation of personnel and equipment omission.
Misoperation of equipment
Electric shock casualties
Equipment damage or failure Ⅳ 3 Strengthen supervision and inspection B and D.
List of important environmental factors and control measures
Unit: Xuancheng Project Department of Anhui Power Construction Second Company Time: September 2006 10.
The identification basis of the competent department for the possible hazards caused by important environmental factors in operation activities.
One to five existing control measures control
Plan remarks
1. Operation noise, oil consumption and exhaust emission of mechanized machinery and equipment
General noise
wasting of resources
Air pollution IV works at designated time to improve work efficiency f
2. Cleaning and maintenance of mechanical equipment and pipelines, mechanization of boiler pickling wastewater and waste oil discharge.
boiler
Turbines pollute water and soil.
Personal injury IV: Strengthen supervision, centrally recover waste oil, chemically neutralize waste water, and discharge B and F up to standard.
3. Welding waste gas. Exhaust gas from all walks of life pollutes the atmosphere. Fifth, strengthen ventilation.
Use environmentally friendly covered electrode B.
4. Pipeline heat treatment and thermal insulation cotton waste and toxic gas emissions are common.
Turbine waste pollutes soil.
Centralized recovery and treatment of toxic gas polluted atmosphere v, strengthening ventilation and personal protection b and f.
5. Anti-corrosion, paint volatilization, general air pollution 4. Strengthen supervision and management F.
6.X-ray flaw detection of radiation damage in radiation detection center V Strengthening supervision and management F
7. Supervise and manage the detection center for metallographic corrosive liquid of polluted water and soil, and the precipitation and purification of F..
The identification basis of the competent department for the possible hazards caused by important environmental factors in operation activities.
1-5 Remarks on existing control measures and control plans
8. Steam Blowpipe Steam Emission Turbine
Boilers waste water resources.
Noise Ⅳ Strengthen supervision and increase noise reduction device F..
9. Waste of scraps and dust in thermal insulation construction.
Environmental pollution Ⅳ centralized recovery treatment f
10. Waste of resources related to the operation, leakage, trickle and leakage of water, coal and electricity.
Fourth, strengthen supervision and management
1 1. Earthwork construction, material transportation, dust, air pollution in buildings. Clean up the site in time and sprinkle water to reduce dust.
12. Environmental pollution caused by the production and installation of construction waste
Resource waste IV centralized recovery treatment f
Remarks:
1. Judgment basis: I- non-compliance with laws, regulations and relevant standards, and lack of appropriate control measures; Ii-the complaint or request of the interested party is confirmed as reasonable; ⅲ-an accident has occurred, but there are no effective control measures; Ⅳ-factors that may lead to accidents are observed on site; ⅴ-Main risk factors obtained by risk assessment method.
2. Hazard control plan: a —— formulate target indicators and management plans; B- establish management procedures; C- training and education; Make contingency plans; E- strengthen on-site supervision and inspection; F- maintain the existing measures.
3. In the column of existing control measures, safety regulations refer to DL5009. 1-2002 Regulations on Safety Work in Electric Power Construction, and regulations refer to Regulations on Safety, Health and Environment Management in Electric Power Construction.
4. All units and cooperation teams shall take safety construction technical measures in view of the list of major hazards, risk factors and control plans when formulating and reviewing the project construction plan and work instructions.
5. Dangerous and harmful factors refer to: A needs to take urgent actions to reduce risks, and B can only start or continue to work when risks have been reduced, and the cost of reducing risks is unlimited.
6. All units and teams should carefully check the list to confirm continuous improvement according to the actual situation, mark it in the remarks column, and study and discuss it in team activities to form a record.
Control objectives and management scheme of major hazard sources
Serial number: technical management measures for major hazard sources; Completion time of relevant departments of the responsible department.
1 Disassembly and assembly of large machinery (tower cranes, people and goods elevators, etc.). ) should ensure that no fatal accidents and equipment accidents; 1 It shall be subcontracted to a qualified professional company for installation, disassembly and addition;
2. Prepare special technical measures such as installation, dismantling, adding sections and shifting, and submit them to subcontractors and general contractors for approval;
3. Before disassembly, the operators shall be given safety education and technical disclosure;
4. Assign trained personnel to monitor the assembly and disassembly process;
5, installation, demolition personnel must hold valid certificates, and must pass the physical examination;
6. Warning zones should be set during installation and disassembly;
7. Set discharging platform, protective door and communication device as required;
8. After the erection is completed, it can only be delivered after passing the self-inspection and statutory inspection, and should be repaired and maintained. Machine management department security department
2 scaffolding, demolition process (landing platform) to ensure that no casualties, collapse accidents.
1. Prepare a special plan for erection and demolition, and the ultra-high scaffold must be calculated and approved by the company;
2, according to the requirements to do a good job of shelf foundation and acceptance;
3. Before erection and demolition, scaffolder must be given safety education and safety technical disclosure;
4, construction, demolition personnel must hold relevant certificates;
5, according to the requirements of the door frame material acceptance;
6. Set up warning zone during installation and removal;
7. Assign trained personnel to monitor the installation and removal process and make records;
8, after the erection must be acceptance, confirmed qualified rear can use, and regular inspection and maintenance. Security department, construction and materials department
3. Ensure that there are no casualties and collapse accidents during derrick installation and disassembly. 1. Prepare a special plan for installation and dismantling, which shall be approved by the company;
2. Before disassembly, the operator shall be given safety education and technical disclosure;
3. Assign trained personnel to monitor the assembly and disassembly process;
4, loading and unloading personnel must hold valid certificates, and must pass the medical examination; Machine management department security department