Inspection Detail

Inspection: 111683843 - Graus Construction Company

Inspection Information - Office: Minnesota Department Of Labor And Industry

Inspection Nr: 111683843

Report ID: 0552700

Date Opened: 04/17/1991

Site Address:
Graus Construction Company
Koch Refinery
Rosemount, MN 55033

Mailing Address:
Box 34, Hwy 61 N, Hastings, MN 55033

Union Status: Union

SIC:1751

NAICS: 0

Inspection Type: Accident

Scope: Partial

Advanced Notice: N

Ownership: Private

Safety/Health: Health

Close Conference: 05/15/1991

Emphasis:

Case Closed: 05/15/1991

Related Activity
Type	Activity Nr	Safety	Health
Accident	360239800

Investigation Summary

Investigation Nr: 14449839

Event: 04/15/1991

Employee dies of asphyxia

Employee #1 was assigned to clean the header bolts at the top of a reactor. The reactor was under a nitrogen purge. The vent port for the nitrogen was the header. A plastic cover was placed over the top of the reactor. The employee crawled under the plastic cover and died of asphyxia in the oxygen-deficient atmosphere.

Keywords: OXYGEN DEFICIENCY, ASPHYXIATED, CLEANING, REACTOR, CONSTRUCTION, NITROGEN

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	111683843					Occupation Not Listed

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