Accident Report Detail

Accident Summary Nr: 956276 - EMPLOYEE INJURED WHEN STRUCK BY FALLING PORTION OF MINE ROOF

Accident Summary Nr: 956276 -- Report ID: 0950651 -- Event Date: 11/08/1991
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
111956959	11/26/1991	1041	0	Mgm Inc

Abstract: AT APPROXIMATELY 2:00 PM ON NOVEMBER 8, 1991, EMPLOYEE #1 WAS WORKING UNDER AN UNSUPPORTED SECTION OF MINE ROOF WHERE A CAVE-IN HAD PREVIOUSLY OCCURRED. EMPLOYEE #1 WAS USING A HAND-IMPACT CHIPPER TO BREAK UP SLABS OF RHYOLITIC SAND FORMING THE CAVED MATERIAL WHEN A LARGE SECTION OF THIS SAME-TYPE MATERIAL SLABBED OFF THE BACK AND RIB OF THE MINE ROOF. THE FALLING MATERIAL STRUCK THE EMPLOYEE A GLANCING BLOW FROM BEHIND, CAUSING HIM TO FALL FACE DOWN OFF THE MUCKPILE. THE MATERIAL THAT HAD INITIALLY STRUCK HIM TEETERED FOR A MOMENT AT THE TOP OF THE MUCK PILE, THEN FELL OVER. A LARGE PORTION, 7 BY 7 BY 2 FEET AND WEIGHING APPROXIMATELY 12,703 POUNDS, ROLLED DOWN THE MUCK PILE AND STRUCK EMPLOYEE #1, PINNING HIM AND CRUSHING HIS LOWER BODY.

Keywords: EXCAVATION, COLLAPSE, CRUSHED, UNSTABLE SURFACE, STRUCK BY, FALLING OBJECT

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	111956959			Hospitalized injury	Fracture	Helpers, mechanics and repairers

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