Welding Exhaust Hood Requirements. Position the hood to draw the plume away from the breathing zone. Other requirements exist for fixed enclosure welding and confined space welding.
Hoods can be broken down into three basic types9. Construct a hood to cover the entire 10x10 welding area but put a plate in the bottom of the hood so that most of the opening in blanked off. Curtains may be used to direct airflow.
Ensure the fume is drawn away from the welder through the series of extraction holes or slots in the bench or booth.
Q 2 02 ms 12 m 2 2 3 m 17 m 3 s. The minimum distance that shall be maintained between the welding zone and the face of the hood is 6 inches. Welding is an incredibly important process in the United States and throughout the world that is crucial to the formation and construction of appliances cars boats and much else. The units dont match since the equation is empirical a result of experiments.