Accident Report Detail

Accident Summary Nr: 14550677 - Employees Washed into River by High Pressure Water

Accident Summary Nr: 14550677 -- Report ID: 1032500 -- Event Date: 12/05/1984
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
1528819	12/06/1984	4911	0	Utah Power & Light Co

Abstract: A penstock at a hydroelectric plant ruptured at a welded area. The rupture resulted from a water hammer caused by a malfunctioning Johnson valve. Water, escaping at approximately 3,000 cubic feet per second, washed seven vehicles, a 70- by 40-foot building, and the parking lot into the river. Employees #1 through 4, who were in vehicles, drowned, and Employee #5 was injured when he was swept ashore. Employee #5 was hospitalized for his injuries.

Keywords: RUPTURE, HIGH PRESSURE PIPE, HIGH PRESSURE, RIVER, VALVE, ELEC UTILITY WORK, WATER PIPE, DROWN, HYDRO-ELECTRIC PLANT, WATER

Employee Details
Employee #	Inspection Nr	Degree of Injury	Nature of Injury	Occupation
1	1528819	Fatality	Other	Occupation not reported
2	1528819	Hospitalized injury	Strain/Sprain	Occupation not reported
3	1528819	Fatality	Other	Occupation not reported
4	1528819	Fatality	Other	Occupation not reported
5	1528819	Fatality	Other	Occupation not reported

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