Inspection Detail

Inspection: 642371 - Black Hills Power & Light Company

Inspection Information - Office: Bismarck Area Office

Inspection Nr: 642371

Report ID: 0830300

Date Opened: 04/16/1986

Site Address:
Black Hills Power & Light Company
Near The Harney Peak Motel
Keystone, SD 57751

Mailing Address:
625 Ninth Street, Rapid City, SD 57701

Union Status: Union

SIC:4911

NAICS: 0

Inspection Type: Accident

Scope: Partial

Advanced Notice: Y

Ownership: Private

Safety/Health: Safety

Close Conference: 04/17/1986

Emphasis:

Case Closed: 06/19/1986

Related Activity
Type	Activity Nr	Safety	Health
Accident	360555700

Violation Summary
Violations/Penalties	Serious	Willful	Repeat	Other	Unclass	Total
Initial Violations	1					1
Current Violations	1					1
Initial Penalty	$360	$0	$0	$0	$0	$360
Current Penalty	$200	$0	$0	$0	$0	$200
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	Contest	Latest Event	Note
1.	01001	Serious	5A0001	05/13/1986	06/16/1986	$200	$360	$0		I - Informal Settlement

Investigation Summary

Investigation Nr: 14535470

Event: 04/09/1986

STRUCK BY FALLING TREE

Two employees were felling trees to clear a 24.9-kilovolt overhead power line as part of a project to upgrade the power line from single phase to three phase. They had removed about eight trees. They threw a 6-millimeter-diameter rope into the next tree to be removed, then tied to a second tree 18.3 meters away and about 5 meters from the intended fall location. One employee was at the base of the tree, felling it with a chain saw. The second employee was 18.3 meters away, at the anchor point. When the tree fell it struck a 10-meter-tall, 150-millimeter-diameter dead tree, which had its top broken out. The falling tree knocked the dead tree over. The second employee was seen moving away from the anchor point and across the fall area as the two trees fell. The falling dead tree struck him on the head and killed him.

Keywords: HEAD, TREE FELLING, WORK RULES, TREE, ELEC UTILITY WORK, STRUCK BY, FALLING OBJECT

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	642371			Fatality	Bruise/Contus/Abras	Occupation not reported

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