Incident date: 2015-02-25
NAICS industry code: 213112

Two employees were hospitalized due to injuries sustained during maintenance operations on a workover rig in the maintenance shop. One employee suffered a crushing injury when a derrick floor fell on his chest, breaking ribs and causing a collapsed lung.  A second employee suffered a broken elbow due to a fall sustained while attempting to hold the falling rig floor.

Hazard classification:
code_event: title: Struck by falling object or equipment, unspecified
code_source: title: Derricks and related equipment
code_nature: title: Internal injuries to organs and blood vessels of the trunk
code_body: title: Chest, except internal location of diseases or disorders
severity: low