Precautions for welder safety at construction site

The electric welding operation on the construction site shall be subject to the three-level hot work application approval procedures. Before the operation, the flammable and explosive materials within 10m of the welding site shall be cleared according to the application approval requirements, and the specified protective measures shall be taken. Operators must wear labor protection articles as required.

The electric welding machine used on site shall be provided with a shed that is rain proof, moisture-proof and sun proof.

The setting of power circuit and special switch box of electric welding machine shall conform to that of electric welding machine

1 The container must be reliably grounded, and the welder and weldment shall be insulated.

2 The container must be equipped with air inlet and outlet and ventilation equipment. It is forbidden to input oxygen into the container.

3 The lighting voltage in the container shall not exceed 12V.

4 When welding, someone must be present for supervision.

5 It is strictly prohibited to weld in containers that have been sprayed with paint and plastic.

When welding or cutting at heights, there should be a reliable working platform, which must be hung Safety belt 。 The specified fire prevention measures shall be taken around and below the welding and cutting site and special personnel shall be assigned for supervision.

When multiple welders are working together, the welding platform or weldment must be grounded and equipped with a light barrier. Welding of copper, aluminum, zinc and other non-ferrous metals must be carried out in a well ventilated place. Welders should wear gas masks or respiratory filters.

The power supply shall be cut off when the welding handle wire is moved at the replacement site. Operators shall not hold the welding tongs with their arms. It is forbidden to climb the ladder or climb high with handhold wire.

To remove welding slag, wear Protective glasses Or face shield, the head should avoid the direction of splashing of striking welding slag.

At the end of the work, the power supply of the welding machine should be cut off, the switch box should be locked, and the operation and surrounding areas should be checked to ensure that there is no fire hazard before leaving.