Inspection Detail

Inspection: 18171892 - M. A. Mortenson Company

Inspection Information - Office: Boise Area Office

Inspection Nr: 18171892

Report ID: 1032500

Date Opened: 02/18/1992

Site Address:
M. A. Mortenson Company
Milner Hydro Project
Murtaugh, ID 83344

Mailing Address:
Route 1 Box 145, Murtaugh, ID 83344

Union Status: NonUnion

SIC:1629

NAICS: 0

Inspection Type: Accident

Scope: Partial

Advanced Notice: Y

Ownership: Private

Safety/Health: Safety

Close Conference: 04/02/1992

Emphasis:

Case Closed: 06/09/1992

Related Activity
Type	Activity Nr	Safety	Health
Accident	360827729

Violation Summary
Violations/Penalties	Serious	Willful	Repeat	Other	Unclass	Total
Initial Violations	3			1		4
Current Violations	2			1		3
Initial Penalty	$13,500	$0	$0	$0	$0	$13,500
Current Penalty	$4,700	$0	$0	$0	$0	$4,700
FTA Penalty	$0	$0	$0	$0	$0	$0

Violation Items
#	Citation ID	Citaton Type	Standard Cited	Issuance Date	Abatement Due Date	Current Penalty	Initial Penalty	FTA Penalty	Latest Event	Note
1.	01001	Serious	19260021 B02	05/11/1992	05/15/1992	$2,200	$4,250	$0	I - Informal Settlement
2.	01002	Serious	19260550 A15 I	05/11/1992	05/15/1992	$0	$4,250	$0	I - Informal Settlement	Citation has been deleted.
3.	01003	Serious	19260550 B02	05/11/1992	05/15/1992	$2,500	$5,000	$0	I - Informal Settlement
4.	02001	Other	19260550 B02	05/11/1992	06/04/1992	$0	$0	$0	I - Informal Settlement

Investigation Summary

Investigation Nr: 14550990

Event: 02/15/1992

ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU BOOM

A CRANE OPERATOR, A SAW SHOP FOREMAN, AND A MECHANIC WERE UNDER A CRANE, REMOVING AN INSPECTION PLATE SO THAT THE CUTTING DOGS FOR THE SKID STEER MECHANISM COULD BE REPAIRED. APPARENTLY, THE CRANE OPERATOR HAD ACCIDENTALLY MOVED THE BOOM LEVER SOME TIME EARLIER. SINCE THIS LEVER WAS NOT SELF-CANCELLING, THE BOOM GRADUALLY LOWERED AND CONTACTED A 34.5-KILOVOLT OVERHEAD POWER LINE. THE MECHANIC, WHO WAS IN CONTACT WITH THE CRANE, WAS ELECTROCUTED. THE OTHER TWO EMPLOYEES WERE NOT INJURED.

Keywords: OVERHEAD POWER LINE, ELECTRICAL, BOOM, CRANE BOOM, ELECTROCUTED, E GI IA, CRANE

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	18171892			Fatality	Electric Shock	Heavy equipment mechanics

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