How does a 10-day old water valve pit obtain a 9.2% Oxygen atmosphere?
Another Fatality OSHA Case file involving a Water Valve Pit (Hazard Information Bulletin regarding Asphyxiation Hazard in Pits: Potential Confined Space Problem) – a SINGLE entrant (the job foreman), a would-be-rescuer, and potentially another would-be-rescuer. The water valve pit was 7 ft in diameter and 16 ft deep. The vault contained a 12″ water main…...
How does a 10-day old water valve pit obtain a 9.2% Oxygen atmosphere? Read More »