Fatality #15 - December 8, 2011

Accident Classification: Powered Haulage
Location: 43491, Minnesota
Mine Type: Metal and Non-Metal
Mine Controller: MDU Resources Group Inc
Mined Material: Crushed, Broken Stone NEC
Incident Date/Time: December 8, 2011 - 11:01am

Public Notice

This posting serves to provide a public notice to employees of the mine, employees of the mining company(s), employees of independent contractors with any connection to the mine, persons with any connection to the mine, and any person with information regarding the cause or contributing factors of this accident.

Please provide any information to James Hines, Lead Accident Investigator at 218-720-5448.

Preliminary Report

A set of wheels was to be placed on a conveyor to transport it. A front-end loader was being used to lift the conveyor when the loader bucket apparently dropped, allowing the frame of the conveyor to strike one ofthe tire assemblies. The tire assembly shifted, striking the victim.

Fatality Alert

METAL/NONMETAL MINE FATALITY - On December 8, 2011, a 41 year-old crusher operator with 8 years of experience was killed at a surface stone operation. A set of wheels was to be placed on a conveyor to transport it from the mine. A front-end loader was being used to lift the conveyor when the loader bucket suddenly dropped, allowing the frame of the conveyor to strike one of the tire assemblies. The tire assembly then shifted, striking the victim.

Final Report

MAI-2011-15