UNITED STATES
DEPARTMENT OF LABOR
MINE SAFETY AND HEALTH ADMINISTRATION

COAL MINE SAFETY AND HEALTH

REPORT OF INVESTIGATION

Surface of Underground Coal Mine

Fatal Machinery Accident
September 21, 2000

Humphrey No. 7 Mine
Consolidation Coal Company
Maidsville, Monongalia County, West Virginia
I.D., No. 46-01453

APPENDIX B

	Figure 5: This image shows a rail displancement of approximately 2 inches when supporting the weight of a car. When the car is removed from the end of the rail, the displacement increases to 4 inches.
	Figure 6: The narrow clearance between the car and the vertical hold-down angle requires the rotary dump rails to be level with the track rails.
	Figure 7: The extension bar is shown affixed to the cut-off bar. Note that it cannot be used when the car is fully loaded.