Inspection Detail

Inspection: 3357928 - Pacific Power & Light Co.

Inspection Information - Office: Wyoming Department Of Workforce Services - Osha Division

Inspection Nr: 3357928

Report ID: 0855610

Date Opened: 06/05/1985

Site Address:
Pacific Power & Light Co.
1591 Tank Farm Road
Glenrock, WY 82637

Mailing Address:
, , 00000

Union Status: Union

SIC:4911

NAICS: 0

Inspection Type: Unprog Rel

Scope: Complete

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 06/06/1985

Planning Guide: Safety-Manufacturing

Emphasis:

Case Closed: 06/06/1985

Investigation Summary

Investigation Nr: 14559116

Event: 06/04/1985

COAL DUST EXPLOSION AT ELECTRIC UTILITY PLANT

A primary air fan, a motor, and a coal pulverizer at an electric power generation plant were running at maximum capacity. The system overloaded and shut down. The air pressure in the pulverizer overcame the decaying primary air fan pressure, causing the coal dust to back flow into the primary air fan shroud, which had been running at 260 degrees Celsius. Upon contacting the hot metal, the coal dust gasified and ignited. The inboard side of the fan shroud separated and the blast from the explosion burned three employees who were working nearby. Two of them were hospitalized for their injuries.

Keywords: AIR PRESSURE, COAL, EXPLOSION, BURN, FAN, COAL DUST, FIRE, ELEC UTILITY WORK

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	3357928					Occupation Not Listed

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