River Water Pump Piping Explodes

000-gallon per minute vertical river water pump was performing poorly. The operators suspected a damaged shaft, so they shut it down at about 6 30 A.M. on a Monday morning. It was a winter morning and the other pumps could handle the cooling requirements. Work began on the pump on the next day about 10 30 A.M. [3] 

The mechanics and their supervisor were astonished because they did not know of any flammables within this area. Furthermore, the previous hot work testing on the system did not reveal any flammables. 

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