← MSHA accidents

MACHINERY

220232860017 · 09/18/2023 · Knife River Corporation-Northwest

Details

Degree of injury
DAYS RESTRICTED ACTIVITY ONLY
Classification
MACHINERY
Accident type
Struck by... NEC
Occupation
Master mechanic, Foreman, Supervisor
Activity
Machine maintenance
Injury source
ABRAS STONE,WHEEL GRINDER
Nature of injury
CUT,LACER,PUNCT-OPN WOUND
Body part
FOREARM/ULNAR/RADIUS
Days lost
0
Mine experience
1.48 years

Operator

Controller (parent)
Knife River Corporation
Operator
Knife River Corporation-Northwest
Mine
3500463

Narrative

Individual sustained a 5cm laceration to left forearm while performing maintenance with a 4.5"" grinder. Grinding wheel became bound in material while individual was cutting a weld, causing the grinder to accelerate forward into their arm.

Source

Authoritative
MSHA Open Government Data
Machine
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