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GB 55034-2022: (General specifications for safety, health and occupational health in construction and municipal construction sites)
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(General specifications for safety, health and occupational health in construction and municipal construction sites)
| Valid |
GB 55034-2022
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Standard similar to GB 55034-2022 GB 55031 GB 55030 Basic data | Standard ID | GB 55034-2022 (GB55034-2022) | | Description (Translated English) | (General specifications for safety, health and occupational health in construction and municipal construction sites) | | Sector / Industry | National Standard | | Word Count Estimation | 24,272 | | Date of Issue | 2022-10-31 | | Date of Implementation | 2023-06-01 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation | GB 55034-2022: (General specifications for safety, health and occupational health in construction and municipal construction sites)
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
1 General
1.0.1 This specification is formulated to ensure personal health, life and property safety, and ecological environment safety in the construction of buildings and municipal engineering, and to meet the basic needs of economic and social management.
1.0.2 The safety, environment, health and occupational health management of construction and municipal engineering construction sites must implement this specification.
1.0.3 The construction of buildings and municipal engineering shall comply with the national policies on construction site safety, environmental protection, disaster prevention and reduction, emergency management, sanitation and occupational health, so as to achieve personal health, life and property safety, and ecological environment safety.
1.0.4 Whether the technical methods and measures adopted in the project construction meet the requirements of this specification shall be judged by the relevant responsible parties. Among them, innovative technical methods and measures should be demonstrated and meet the performance requirements in this specification.
2 Basic regulations
2.0.1 The special construction plan and emergency plan of the engineering project shall be formulated according to the type of project, environmental geological conditions and engineering practice.
2.0.2 The engineering project shall carry out safety analysis, hazard identification and risk assessment according to the engineering characteristics and environmental conditions, compile a list of major hazards and formulate corresponding prevention and control measures.
2.0.3 The planning and design of the construction site shall be based on various conditions such as site conditions, number of occupancy teams and personnel, functional requirements, climate characteristics of the project location, and local management requirements. Take measures to meet the requirements of construction production, safety protection, fire protection, sanitation and epidemic prevention, environmental protection, prevention of natural disasters and standardized management.
2.0.4 The living area on the construction site shall meet the following requirements.
1 The enclosure shall be made of recyclable, detachable and standardized shaped materials, and the height shall not be less than 1.8m.
2 Temporary buildings such as guard rooms, dormitories, and toilets should be set up, and places and facilities to meet personnel management and living needs should be provided; the site should be hardened and greened, and effective drainage facilities should be installed.
3 There should be full-time guards at the entrance and exit gates, and closed management should be implemented.
4.Contingency plans for statutory infectious diseases, food poisoning, acute occupational poisoning and other sudden diseases should be formulated.
2.0.5 Operators shall be equipped with safe and effective labor protection articles according to the operating conditions and working environment of various types of work, and training on the use of labor protection articles shall be carried out in a timely manner.
2.0.6 Materials entering the site should have quality certification documents, and their varieties, specifications, performance, etc. should meet the requirements for use and safety and sanitation.
2.0.7 Various facilities and equipment should have manufacturing licenses or other quality certification documents.
2.0.8 Suspended and postponed construction projects should do a good job of safety protection during the shutdown period; inspections should be carried out before resumption of work to eliminate potential safety hazards.
3 Security Management
3.1 General provisions
3.1.1 The engineering project should formulate various safety production management systems according to the characteristics of the project, and establish and improve the safety production management system.
3.1.2 Propaganda slogans and signs for safe production should be reasonably set up on the construction site, and the signs should be firm and reliable. Safety warning signs shall be set up at main construction sites, operation levels, dangerous areas and main passages.
3.1.3 The construction site should take protective measures according to the types of safety accidents. For the existing safety problems and hidden dangers, it is necessary to appoint people, time, and measures to organize rectification.
3.1.4 It is not allowed to construct, hoist, set up work sheds, build living facilities or stack components, racks, materials and other sundries directly under the overhead lines of the external power supply.
3.2 Fall from height
3.2.1 When performing high-altitude or high-altitude operations at 2m or more above the fall height reference plane. Safety protection facilities should be set up and anti-skid measures should be taken, and personnel working at heights should correctly wear safety helmets, safety belts and other labor protection equipment.
3.2.2 When working at heights, a reasonable sequence of operations should be formulated. When there are safety risks in multi-type vertical cross operations, safety protection facilities should be set up between the upper and lower floors. It is strictly forbidden to carry out multi-layer vertical operations without protective measures.
3.2.3 Reserved openings, passage openings, stair openings, elevator shaft openings and other openings of the construction in progress, as well as the surroundings of floors without enclosures or enclosures with a height lower than 1.2m, sides of stairs, platforms or balconies, and perimeters of roofs Safety protection measures should be taken for the edges of ditches, pits, grooves, etc., and random dismantling is strictly prohibited.
3.2.4 It is strictly forbidden to work or pass on components and pipelines that are not fixed and have no protective facilities.
3.2.5 Various operating platforms and manned devices should be safe and reliable, and peripheral protection should be set up around them. And it should have sufficient strength, rigidity and stability, and the construction load is strictly prohibited to exceed its design load.
3.2.6 In case of severe weather such as thunderstorm, heavy snow, dense fog or strong wind above level 5 in the workplace, work at heights should be stopped.
3.3 Object hitting
3.3.1 When installing components, components and facilities at high places, reliable temporary fixation measures or fall prevention measures should be taken.
3.3.2 When dismantling or dismantling operations at high places. it is strictly forbidden to carry out up and down at the same time. The disassembled construction materials, machines, components, accessories, etc. should be transported to the ground, and throwing is strictly prohibited.
3.3.3 The weight of materials stacked on the construction operation platform should not exceed the allowable bearing capacity of the platform, and the height of the materials stacked should meet the stability requirements.
3.3.4 Protective facilities should be set up above the safety passage, and the protective facilities should have the performance of resisting the penetration of falling objects from high places.
3.3.5 When the prestressed structure is stretched and dismantled, protective measures should be taken at the end of the prestressed structure, and there should be no construction workers in the axial direction. When dismantling the unbonded prestressed structure, the prestress should be released first, and then the corresponding structure should be dismantled.
3.4 Lifting injuries
3.4.1 Safety protection areas and warning signs should be set up before hoisting operations, and special personnel should be arranged to monitor during hoisting operations. Prevent irrelevant personnel from entering, and it is strictly forbidden for anyone to stay or pass under the hanging objects or lifting arms.
3.4.2 The use of spreaders and rigging should meet the following requirements.
1.The performance and specifications of the spreader and rigging should meet the lifting requirements and be compatible with the environmental conditions;
2 Before the operation, the spreader and rigging should be checked, and they can be put into use after they are confirmed to be in good condition;
3 Do not exceed the rated load when loaded.
3.4.3 The lifting weight should not exceed the rated lifting capacity of the lifting equipment. It is strictly forbidden to overload, cable pull or lift objects of unknown weight during hoisting operations.
3.4.4 It is strictly forbidden to use friction winches for material hoists.
3.4.5 The travel limit switch of the construction lifting equipment is strictly forbidden to be used as the control switch to stop the operation.
3.4.6 During the hoisting operation, temporary fixing measures should be taken for the parts that do not form a stable system. For temporarily fixed components, the temporary fixing measures shall be lifted only after the installation and fixing are completed and checked and confirmed to be correct.
3.4.7 It is strictly forbidden to install and disassemble large-scale hoisting machinery in low-visibility weather such as rain, snow, fog, haze, sand and dust; when the wind speed at the highest point of the hoisting machinery exceeds 9.0m/s, the installation and disassembly of the crane should be stopped.
3.5 Collapse
3.5.1 The sequence and method of earthwork excavation shall be consistent with the design conditions, and over-excavation is strictly prohibited.
3.5.2 Water interception or drainage measures shall be taken for the slope top, foundation pit top and bottom.
3.5.3 Loads such as stacking materials, parking equipment and facilities or using mechanical equipment on the side slope and around the foundation pit are strictly prohibited to exceed the ground load limit value required by the design.
3.5.4 During the excavation of slopes and foundation pits, monitoring shall be carried out according to the design and construction plan.
3.5.5 When the following phenomena appear in the foundation pit, treatment measures should be taken in time, and the construction can only be continued after treatment.
1 The deformation value of the supporting structure or surrounding buildings exceeds the design deformation control value;
2 There is a large amount of water leakage and flowing soil on the side wall of the foundation pit, or piping occurs at the bottom of the foundation pit;
3 The soil loss hole depth between piles exceeds the pile diameter.
3.5.6 When phenomena such as oblique holes, bent holes, shrinkage holes, collapsed holes, or slurry around the casing and ground subsidence are found during the pile foundation hole-forming construction, treatment measures should be taken in time.
3.5.7 Backfilling of the foundation pit shall be carried out after the strength of the structure with earth retaining function meets the design requirements.
3.5.8 For backfill soil, parameters such as soil moisture content and layered compaction thickness should be controlled, and silt, swamp soil, peat soil, frozen soil, organic soil or soil containing domestic garbage are strictly prohibited.
3.5.9 Formwork and supports shall be designed according to construction conditions, and shall meet the requirements of bearing capacity, stiffness and stability.
3.5.10 The formwork and brackets can only be removed after the concrete strength meets the specified requirements.
3.5.11 Materials and articles on the construction site shall be neatly stacked, and corresponding fixing measures shall be taken according to specific conditions.
3.5.12 The installation and use of temporary support structures shall comply with the following regulations.
1 It is strictly forbidden to connect with lifting machinery and equipment, construction scaffolding, etc.;
2 The construction load on the working layer of the temporary support structure shall not exceed the design allowable load;
3 During use, it is strictly forbidden to dismantle the components.
3.5.13 Safety technical analysis shall be carried out for the temporary structure of the building construction, and the overall stability shall be ensured under the design operating conditions.
3.5.14 The demolition operation shall comply with the following regulations.
1 The dismantling operation should be carried out layer by layer from top to bottom, and should be carried out in sections, and vertical cross operations are not allowed.
2 During manual demolition operations, operators should operate on stable structures or special equipment, and it is strictly forbidden to gather people or pile up materials on horizontal components; when demolishing building walls, it is strictly forbidden to use bottom digging or knocking down methods.
3 When demolishing a building, the non-load-bearing structure should be removed first, and then the load-bearing structure should be removed.
4 The stability of the remaining structure shall be ensured during the dismantling of the superstructure.
3.6 Mechanical damage
3.6.1 The machine operator shall operate correctly and rationally use the machine according to the technical performance, carrying capacity and service conditions stipulated in the machine instruction manual, and strictly prohibit overloading, overspeed operation or expanding the scope of use.
3.6.2 The mechanical operating device should be sensitive, the functions of various instruments should be intact, and the indicating device should be eye-catching, intuitive and clear.
3.6.3 Various safety protection devices, safety devices and alarm devices on the machinery shall be complete and effective, and shall not be replaced, adjusted or removed at will.
3.6.4 A safe area should be set up for mechanical operations, and non-operating personnel are strictly prohibited from staying, passing, repairing or maintaining the machinery in the operating area. When cleaning, maintaining, and repairing machinery, warning signs should be set up, and the operation can only be performed after the power supply is cut off and the machinery stops.
3.6.5 When erecting scaffolding, construction work platforms, and installing tower cranes, construction hoists and other machinery and equipment on the engineering structure, the bearing capacity and deformation of the engineering structure should be checked and calculated, and the erection and installation should be carried out after the performance of the engineering structure meets the requirements..
3.6.6 The tower crane safety monitoring system should have data storage function, and its monitoring content should include information such as lifting weight, lifting moment, lifting height, amplitude, slewing angle, and running stroke. When the tower crane has a tendency to run dangerously, the power supply of the control circuit should be automatically cut off.
3.7 Roof relief
3.7.1 Underground excavation construction should plan the excavation sequence reasonably, over-excavation is strictly prohibited, and effective support should be taken in time according to the surrounding rock conditions and construction methods. When the support deformation exceeds the limit or is found to be damaged, it should be repaired and reinforced immediately.
3.7.2 During shield tunneling operations, the tunneling speed should be coordinated with the uplift value controlled by the surface, the amount of soil entering and exiting, and synchronous grouting.
3.7.3 When encountering any of the following situations during shield excavation, the excavation should be stopped, the reasons should be analyzed and measures should be taken.
1 The ground in front of the shield collapses or encounters obstacles;
2 The shield rotation angle exceeds the allowable range;
3 The shield position deviates beyond the allowable range;
4 The shield thrust increases beyond the expected range;
5 Segment waterproofing, transportation and grouting process failures.
3.7.4 Before the jacking operation, the existing lines within the construction area should be reinforced. During jacking construction, real-time observation, recording, analysis and control should be carried out on the existing line, jacking force system and back, and adjustments should be made immediately when deformation and displacement are found to exceed the limit.
3.8 Vehicle damage
3.8.1 Construction vehicles should hang warning signs when transporting dangerous goods.
3.8.2 The roads for vehicles on the construction site should be flat and firm, and facilities such as reflective columns, flashing lights, and corner lights should be installed on special road sections, and vehicles should follow the speed limit requirements of the construction site.
3.8.3 During the driving process of the vehicle, it is strictly forbidden for people to get on and off.
3.8.4 During night construction, adequate lighting should be ensured at the construction site, and construction vehicles should reduce their driving speed.
3.8.5 Construction vehicles should be inspected, maintained and serviced regularly.
3.9 Poisoning and asphyxiation
3.9.1 When receiving and using toxic substances, a double responsibility system should be implemented, and no one should leave their duties in the middle of the operation.
3.9.2 The construction unit shall set up ventilation, ventilation and lighting equipment according to the construction environment.
3.9.3 Before working in a confined or confined space, gas testing should be performed in the order of oxygen, flammable gases, and toxic and harmful gases. When the gas concentration exceeds the safe allowable value, operation is strictly prohibited.
3.9.4 During interior decoration work, it is strictly forbidden to use benzene, industrial benzene, petroleum benzene, heavy benzene and mixed benzene as diluents and solvents, and it is strictly forbidden to use organic solvents to clean construction tools. When cleaning the exterior walls of buildings, strong acid and alkali cleaning agents and toxic and harmful chemicals are not allowed.
3.10 Electric shock
3.10.1 The protective grounding and lightning protection grounding of electricity used on the construction site shall comply with the following regulations.
1 The protective earthing conductor (PE), grounding conductor and protective bonding conductor should ensure their own reliable connection;
2 A protective earthing conductor (PE) should be installed when the residual current action protective device is used;
3 The resistance value of the common grounding device shall meet the minimum resistance value requirements of various grounding.
3.10.2 The power supply of the generator set for construction electricity should be interlocked with other power supplies, and parallel operation is strictly prohibited.
3.10.3 The power distribution lines on the construction site shall meet the following requirements.
1 Effective protection measures should be taken for cable laying to prevent mechanical damage and medium corrosion to the conductors of the line.
2 The cable should include all working core wires, neutral conductors (N) and protective earth conductors (PE) or protective neutral conductors (PEN); the outer insulation layer of protective earth conductors (PE) and protective neutral conductors (PEN) should be It is yellow and green in two colors; the outer insulation layer of the neutral conductor (N) should be light blue; the outer insulation colors of conductors with different functions should not be mixed.
3.10.4 The lighting of special places on the construction site shall comply with the following regulations.
1 Hand-held lamps should be powered by safety extra-low voltage (SELV) whose power supply voltage is not greater than 36V;
2 Lighting transformers should use double-winding safety isolation transformers, and autotransformers are strictly prohibited;
3 Safety isolation transformers are strictly forbidden to be used in metal containers or metal pipelines.
3.10.5 Maintenance of electrical equipment and circuits shall comply with the following regulations.
1 During the maintenance of electrical equipment and line maintenance, live work is strictly prohibited. The power supply of relevant power distribution circuits and equipment should be cut off and isolated, and the power supply should be checked and confirmed to be cut off. The door of the power distribution room, the distribution box or the switch for cutting off the power should be locked. Set up warning signs in conspicuous places.
2 When electrical equipment breaks down, it should be inspected by electroscope, and it can be repaired only after confirming that the power is cut off, and the power failure signboard of "no switching on, people working" should be hung on the obvious part of the control switch. Power outages must be handled by a special person.
3 It is strictly forbidden to make an appointment to stop power transmission for line and equipment operations.
3.10.6 When welding in pipelines and containers, reliable insulation or grounding measures should be taken, and ventilation should be ensured.
3.11 explosion
3.11.1 Diesel oil, gasoline, oxygen cylinders, acetylene cylinders, gas tanks and other flammable and explosive liquid or gas containers should be handled with care. Violent throwing is strictly prohibited, and special storage places should be set up, and storage in residential rooms is strictly prohibited.
3.11.2 It is strictly forbidden to use metal pipes conveying flammable liquids, flammable gases or explosive gases as protective grounding conductors for electrical equipment.
3.11.3 When carrying out the strength and tightness test of the pipeline, it is strictly forbidden to use combustible gas and oxygen for the test.
3.11.4 When a defect is found in the pipeline strength test and tightness test, it should be dealt with after the test pressure drops to atmospheric pressure, and the test should be repeated after the treatment is qualified.
3.11.5 When coating and lining the interior of equipment and pipelines, explosion-proof electrical equipment and lighting appliances should be used, and anti-static protection measures should be taken. The concentration of flammable gas, vapor and dust should be controlled under 10% of the flammable limit and lower explosion limit.
3.11.6 The pipelines and accessories for transporting ozone and oxygen should be derusted, purged and degreased before installation.
3.11.7 Pressure vessels and their accessories should be qualified, intact and effective. Do not use an oxygen cylinder with a pressure reducer or other accessories missing. It is strictly forbidden to use acetylene gas cylinders with special acetylene pressure reducers, flashback preventers or other accessories.
3.11.8 Welding or cutting operations are strictly prohibited for pipelines, containers or containers containing highly toxic, flammable and explosive materials during pressure operations.
3.12 Blasting operations
3.12.1 Before the blasting operation, the natural conditions and environmental conditions around the blasting area should be investigated to understand the unfavorable environmental factors that endanger safety, and necessary safety precautions should be taken.
3.12.2 The blasting warning range should be determined before blasting operations, and corresponding warning measures should be taken. The detonation should be carried out only after all personnel, machinery and vehicles have been evacuated or protective measures have been taken.
3.12.3 The blasting operators should charge the explosives according to the designed charge. After the network is laid, the initiation network inspection should be carried out. After the initiation signal is sent out, the on-site commander should reconfirm that the safe initiation conditions are met, and then order the explosion.
3.12.4 After the open-air shallow hole, deep hole, and special blasting are carried out, personnel should wait 5 minutes before allowing personnel to enter the blasting operation area for inspection; After blasting, after confirming that the underground air is qualified through ventilation, dust removal and smoke exhausting, personnel should be allowed to enter the blasting operation area for inspection after waiting for 15 minutes.
3.12.5 Under any of the following circumstances, blasting operations are strictly prohibited.
1 Blasting may cause dangers such as unstable slopes, landslides, and collapses;
2 Blasting may endanger the safety of buildings (structures), public facilities or personnel;
3 There is no warning on the border of the danger zone;
4 In severe weather conditions.
3.13 Water permeability
3.13.1 When underground construction operations pass through water-rich formations, karst-developed geology, gobs, and other construction environments that may cause water seepage accidents, corresponding measures for waterproofing, drainage, precipitation, water blocking, and water interception should be formulated.
3.13.2 Before the air pressure operation of the shield machine, the air pressure in the excavation chamber should be determined through calculation and test to ensure that the formation conditions meet the requirements for gas pressure maintenance.
3.13.3 Before the construction of steel sheet pile or steel pipe pile cofferdam, water-stop measures shall be taken at the lock; anti-scouring measures shall be taken on the water-facing surface outside the earth-rock cofferdam, and waterproofing shall be tight; during the construction process, water level changes shall be monitored. The head difference should meet the safety requirements.
3.14 Drowning
3.14.1 When the excavated troughs, pits, ditches, ponds, etc. in the site have accumulated water depth exceeding 0.5m, safety protection measures shall be taken.
3.14.2 Personnel operating above or below the water shall properly wear life-saving equipment.
3.14.3 When working on water, safety protection measures should be taken around the operating platform or operating surface.
3.15 Burning
3.15.1 Under high temperature conditions, operators should wear personal protective equipment correctly.
3.15.2 During live work, operators should take safety measures against scalding.
3.15.3 Corrosive acids, alkalis, salts, organic substances, etc. should be properly stored, kept and used, and safety measures should be taken to prevent personnel from being injured in the place of use.
4Environmental management
4.0.1 The grounds of main passages, access roads, material processing areas, and office and living areas shall all be hardened; dust-proof measures such as covering, solidification or greening shall be taken for bare sites and concentrated piled earthwork on the construction site. All materials that are prone to dust generation should be covered.
4.0.2 Washing tanks and sedimentation tanks shall be installed at the exit of the construction site, and the chassis and wheels of the transport vehicles shall be rinsed before leaving the construction site. The construction site and roads should take regular watering and dust suppression measures.
4.0.3 Construction waste should be stored in categories and disposed of on time. Closed measures or other protective measures should be taken when collecting, storing, transporting or loading and unloading construction waste.
4.0.4 It is strictly forbidden to melt asphalt and burn various wastes at the construction site.
4.0.5 It is strictly forbidden to discharge toxic substances, flammable and explosive materials, oil, acid and alkali substances into urban drainage pipes or surface water bodies.
4.0.6 Drainage ditches and sedimentation tanks should be set up on the construction site, and the construction sewage should be treated by sedimentation before being discharged into the municipal sewage pipe network.
4.0.7 It is strictly forbidden to bring hazardous waste into construction waste backfill sites, construction waste landfills, or send construction waste recycling plants for treatment.
4.0.8 Noise pollution prevention and control work plans shall be compiled and actively implemented at the construction site, and effective sound insulation and noise reduction equipment, facilities or construction techniques shall be adopted to reduce noise emissions and noise impacts.
4.0.9 Temporary rest points should be set up in safe places on the construction site. Smoking is prohibited in the construction area.
5 Sanitation Management
5.0.1 Temporary drinking water points should be reasonably set up on the construction site according to the number of workers. Drinking water at the construction site should meet the hygienic standards.
5.0.2 There shall be no direct or indirect connection between the potable water system and the non-potable water system.
5.0.3 The canteen on the construction site should set up an independent production room and storage room, equipped with necessary ventilation and refrigeration facilities; a food sample retention system should be formulated and strictly implemented.
5.0.4 The canteen should have a catering service license and a sanitation license, and the cooking staff should hold a health certificate.
5.0.5 Food that meets safety and hygiene standards should be selected on the construction site, and the food processing, preparation, handling, cleaning and storage processes should be pollution-free and non-toxic.
5.0.6 The construction site should be equipped with toilets according to the number of construction workers, and the toilets should be cleaned and disinfected regularly. it is strictly forbidden to discharge toilet feces directly into the rainwater pipe network, river or ditch.
5.0.7 The construction site and living area shall be equipped with facilities to ensure the personal hygiene of construction workers.
5.0.8 The dormitory and rest room in the living area of the construction site shall reasonably determine the usable area and layout space pattern according to the number of people, and shall set up sufficient ventilation, lighting and lighting facilities.
5.0.9 The office area and living area shall take measures to eliminate rats, mosquitoes, cockroaches and other pests.
5.0.10 The office area and living area should be regularly disinfected. When an outbreak occurs, it should be reported in time and handled according to the relevant regulations of the health and epidemic prevention department.
5.0.11 Closed household garbage bins should be set up in the office area and living area. Domestic garbage should be sorted and placed, and the collected garbage should be cleared and transported in time.
5.0.12 The construction site shall be equipped with adequate and effective medical and first-aid supplies, and shall be guaranteed to be conveniently available when needed.
6 Occupational Health Management
6.0.1 Establish and improve occupational health files and health monitoring files for operators engaged in radioactive, highly toxic, and high-risk dust, and provide regular medical consultation services.
6.0.2 The provision of labor protection equipment for erectors, hoisting workers and signal conductors shall meet the following requirements.
1 Elevator workers, tower crane operators, and hoisting workers should be equipped with flexible and tight-fitting work clothes, lace-up non-slip shoes and work gloves;
2 Signal conductors should be equipped with special logo clothing, and should be equipped with colored protective glasses when working in strong light environment conditions.
6.0.3 Electricians equipped with labor protection articles shall meet the following requirements.
1 The maintenance electrician should be equipped with insulating shoes, insulating gloves and flexible and tight-fitting overalls;
2 The installation electrician should be equipped with gloves and protective glasses;
3 For high-voltage electrical work, corresponding grades of insulating shoes, insulating gloves and colored protective glasses should be equipped.
6.0.4 Welders and gas cutters are equipped with labor protection articles...
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