R 408.40711 Employer and employee responsibilities.

Rule 711. (1) An employer shall do all of the following: (a) Assure that each employee has received safety training in the use of equipment for welding operations and instruction in the rules of this part before allowing the employee to use the equipment. (b) Assure that an employee in charge of the operation of oxygen or fuel gas supply equipment or of oxygen or fuel gas systems is instructed and judged competent for this work by the employer before being left in charge. Rules and instructions covering the operation and maintenance of oxygen or fuel gas distribution piping systems shall be readily available. (2) Welding operations shall not be permitted in the following situations: (a) In an area not authorized by the building or structure occupant. (b) In a sprinklered building while the sprinkler system is impaired, unless a fire watch is provided. (c) In the presence of a potentially explosive atmosphere, such as mixtures of flammable gases, vapors, liquids, or dusts with air.