Safety Incidents OSHA Severe Injury Reports · 2015–2025
105,991Records 71,450Employers 85,836Hospitalizations 27,959Amputations 2015-01-01 2025-11-30

OSHA Accident Investigation · Summary #689943

MINNESOTA CORN PROCESSORS

Event
HEART, WORK RULES, RUPTURE, HIGH PRESSURE, TANK
NAICS
000000
Inspection type
Accident-driven
Activity number
#104588462
Employer profile
MINNESOTA CORN PROCESSORS
Summary number
689943
Report ID
552700

Event description

TANK RUPTURED, KILLING EMPLOYEE ON TOP

Investigation abstract

SOMETIME AFTER 11 AM ON NOVEMBER 28, 1986, EMPLOYEE #1, A SUPERVISOR FOR MAINTEN URED AORTA. ANCE AND CONSTRUCTION AT THE PLANT, DIRECTED THE PRESSURIZATION OF A STAINLESS S TEEL TANK NOT DESIGNED OR CONSTRUCTED TO BE PRESSURIZED. THE TANK WAS 8 1/2 TO 9 FEET HIGH AND 10 FEET IN DIAMETER. EMPLOYEE #1'S PURPOSE WAS TO POP OUT DENTS I N THE ROOF OF THE TANK. EMPLOYEE #1 CAUTIONED TWO OTHER STAFF MEMBERS OF THE DAN GERS OF THIS PROCEDURE. THEN, WITH THE TANK PRESSURIZED TO TWENTY POUNDS, EMPLOY EE #1 CLIMBED TO THE TOP OF THE TANK AND STRUCK THE ROOF TWICE WITH A SLEDGE HAM MER. THE ENTIRE TOP OF THE TANK RUPTURED, FLYING INTO THE AIR AND THROWING EMPLO YEE #1 A DISTANCE OF ABOUT 50 FEET. THE CAUSE OF DEATH OF EMPLOYEE #1 WAS A RUPT

Victim

  1. #1 Fatality Age 33 M

    Nature of injury
    21
    Part of body
    5
    Event type
    1
    Source
    2
    Occupation code
    503
    Human factor
    10
    Environmental factor
    15
    Task assigned
    1

Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.