Occupational safety instructions for a gas brazing solderer

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Occupational safety instructions for a gas brazing solderer

Occupational Safety and Health

Occupational Safety and Health / Standard instructions for labor protection

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Safe Operation

1. General requirements for labor protection

1.1. Persons at least 18 years of age who have passed a medical commission and have no contraindications to work with such products, who have been trained and passed a knowledge test in the commission of the enterprise, and who have been instructed at the workplace, are allowed to work as a soldering gas soldering.

1.2. Soldering of small items with alloys containing lead is carried out at a temperature of + 180-350°C manually using gas soldering, on machines of various designs, by dipping (tinning) and wave soldering.

1.3. Lead alloys of various grades are used for the soldering operation. The most common grades are POS - 40 (40% tin and 60% lead) and POS - 60 (60% tin and 40% lead). As a flux, rosin or rosin with stearin is used.

1.4. The soldering process may be accompanied by air pollution with lead aerosols. There may also be lead contamination of working surfaces and the skin of the hands of workers, insufficient illumination of the workplace, work on scaffolds, scaffolding, stairs, work on the territory of an existing enterprise.

1.5. Soldering personnel should be provided with overalls and other PPE, in accordance with industry standards;

cotton suit;
leather boots;
combined gloves;
goggles.

1.6. For workers performing soldering work, the composition of special household premises and their arrangement should be taken in accordance with SNiP II-MZ-68.

1.7. Storage of street, home and work clothes in dressing rooms should be separate.

1.8. In addition to the washroom, washbasins should also be provided in rooms or areas designated for smoking, eating rooms and production areas. Wash basins must have an uninterrupted supply of hot and cold water during all shifts during which soldering is performed.

1.9. During work, the following harmful production factors may affect the cable-splicer:

infrared radiation;
vapors and aerosols of lead;
sparks, spatter and molten alloy emissions.

1.10. At washbasins, regardless of their location, tanks with a 1% solution of acetic acid for preliminary washing of hands and easily washed portable containers for cleaning material should be provided.

1.11. Soldering work must be carried out by workers in overalls provided for this purpose.

1.12. Before eating and smoking, be sure to wash your hands and rinse your mouth.

2. Labor protection requirements before starting work

2.1. Put on the prescribed overalls, shoes and prepare other PPE.

2.2. Prepare and lay out tools, fixtures, solder.

2.3. Free the passages, the workplace from foreign objects.

3. Labor protection requirements during work

3.1. In the process of work, the solderer of gas soldering must comply with the following safety requirements:

hoses must be protected from contact with live wires, steel ropes, heated appliances, oily and greasy materials. It is not allowed to bend and break the hoses;
before lighting the burner, check that the valve is closed correctly;
during breaks in work, the burner must be extinguished and the valves on it must be closed; it is not allowed to move with a lit burner outside the workplace;
in order to avoid carbon monoxide poisoning, as well as the formation of an explosive gas-air mixture, it is forbidden to heat the metal with a burner using only acetylene without oxygen;
soldering of products is carried out after their cleaning from dirt, paint, oil and scale;
soldering products must be fixed.

3.2. When working in wells, it is possible to kindle a burner, install propane cylinders, heat mastic and solder only outside the well. The solder should be lowered into the well and the heated mastic should be in closed vessels installed in a bucket lowered on a rope to the bottom of the well.

3.3. Work in the collectors is carried out according to the permit and the presence of a written opinion on the absence of explosive gases in the collector.

3.4. Entrance to and exit from the manifold is permitted only through the control room. If necessary, the hatches of the collector can be opened only with the permission of the duty personnel of the collector. Fences are installed near open hatches and an attendant is posted while the hatch is open.

3.5. When working with a gas burner in wells, every 30 minutes of operation of the burner should go to the surface, and the well should be ventilated.

3.6. When using gas cylinders, the jointer must comply with the following requirements:

storage, transportation of cylinders should be carried out by persons who have been trained in handling them, the movement of gas cylinders should be carried out on special carts, containers, with screwed-on safety caps;
store cylinders in dry, ventilated areas, excluding access by unauthorized persons.

3.7. When performing hot work, you should comply with the requirements of regulatory documents approved by the Department of the State Fire Service of the Ministry of Internal Affairs of the Russian Federation.

4. Labor protection requirements in emergency situations

4.1. In the event of accidents or situations at the site that can lead to accidents and accidents, suspend work, remove people from the danger zone, disconnect the equipment used in the work from the mains, take measures to eliminate the accident, inform the work manager.

4.2. In case of fire or fire, immediately inform the fire department by phone 01, notify the work manager and start extinguishing the fire with primary fire extinguishing equipment.

4.3. In case of lead aerosol poisoning (headache, nausea, dizziness), the victim must be taken to a warm, well-ventilated area and given warm milk to drink. Call an ambulance. In case of loss of consciousness, give ammonia to sniff. It is advisable to lay the victim in a horizontal position until the arrival of an ambulance.

4.4. About victims of injury, poisoning, sudden illness, it is necessary to immediately notify the person responsible for the production of work and take urgent measures to provide medical assistance.

5. Labor protection requirements at the end of work

5.1. Tidy up the workplace.

5.2. Clean the tool from dust, dirt and put it in the designated place.

5.3. Wash your hands, face with soap and, if possible, take a shower.

5.4. Inform the person responsible for the performance of the work about all the shortcomings noticed during the work and the measures taken to eliminate them.

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