Fatality #7 - May 23, 2012

Lapse in Appropriations

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Accident Classification: Machinery

Location: Broken Bow Sand & Gravel - Oklahoma

Mine Controller: Martin Marietta Materials Inc

Mine Type: Surface

Mined Material: Construction Sand and Gravel

Incident Date/Time: May 23, 2012 12:15 pm

The victim was operating an excavator between two small ponds when the ground beneath the excavator tracks failed and the excavator toppled into one of the ponds.

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 Michael Dunlap, Lead Accident Investigator at 214-767-8401.

PRELIMINARY REPORT

The victim was operating an excavator between two small ponds when the ground beneath the excavator tracks failed and the excavator toppled into one of the ponds.