Line Break/Process Opening GONE BAD (NH3 Pump Down)
On May 20, 2017, at 11:30 a.m. Employee #1, a refrigeration technician, and a coworker were performing pump down of a live ammonia refrigeration line to make the pipe available for replacement. The two (2) employees had checked the line on the roof with a blower and thinking it was clear, went to the engine…...
