← 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
JSON-LD
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