Table of Contents
When welding or cutting in a confined space?
In confined spaces or indoors, welding or cutting operations involving metals coated with mercury-bearing materials, including paint, must be done using local exhaust ventilation or airline respirators unless atmospheric tests under the most adverse conditions show that employee exposure is within the acceptable …
What is required whenever hot work is being performed?
“Hot work” means riveting, welding, flame cutting or other fire or spark-producing operation. When hot work must be performed in a location that is not free of hazards, all necessary precautions shall be taken to confine heat, sparks, and slag so that they cannot contact flammable or combustible material.
What is the confined space procedure?
Confined spaces need to be clearly identified and their locations and any specific hazards need to be made known to all people working in that area. Danger signs need to be clearly visible and suitable measures such as barriers or fences need to be in place to prevent anyone not authorized from entering these spaces.
What is the correct motion for cutting?
The knife should perform a rocking motion during cutting: the front top portion of the blade should stay on the cutting board during all times when cutting (or at least the majority of the cutting time), and the rest of the blade should go up and down.
How do you ensure a welder is safe when working in a confined space?
Make sure you have the right rescue equipment to carry out your plan. Wear non-slip, insulated safety boots to prevent such a slip or fall. Particular attention should be paid to electrical safety when welding in a confined space that is made of metal, like a vessel, pipe or tank.
What is the maximum allowable LEL for hot work?
What concentration is safe? Safety concentrations are not specified under OSHA’s Process Safety Management standard. But OSHA’s Confined Space Standard specifies a maximum percent LEL of 10 percent for work inside a confined space.
How many types of hot work permits are there?
What are the types of Work Permits? There are seven main types of work permits: Hot Work Permits, Cold Work Permits, Confined Spaces Work Permits, Chemical Work Permits, Height Work Permit, and Excavation Permit. Each work permit is categorized depending on the nature of the job and the hazard involved in it.
Why are hot work activities ( welding / cutting )?
HOT WORK ACTIVITIES (WELDING/CUTTING) This Procedure provides safety and health instructions regarding, gas and electric welding, cutting, brazing, or similar flames or sparks resulting from hot work operations. It is to help combat injuries caused from heat, evolved gases and fumes, electrical shock, explosion, fires, and other dangers.
When is hot work not hazardous in a confined space?
Hot work in confined spaces. Hot work shall not be performed in a confined space until a designated person has tested the atmosphere and determined that it is not hazardous. 1917.152 (c)
When is cutting and welding allowed in construction?
Cutting or welding shall be permitted only in areas that are or have been made fire safe. When work cannot be moved practically, as in most construction work, the area shall be made safe by removing combustibles or protecting combustibles from ignition sources.
What are the requirements for a welding permit?
1910.252(a)(2)(iv) Authorization. Before cutting or welding is permitted, the area shall be inspected by the individual responsible for authorizing cutting and welding operations. He shall designate precautions to be followed in granting authorization to proceed preferably in the form of a written permit.