Inspection Detail

Inspection: 692871 - Olmos Construction Co

Inspection Information - Office: Austin Area Office

Inspection Nr: 692871

Report ID: 0625400

Date Opened: 01/17/1985

Site Address:
Olmos Construction Co
Hwy 183 At Braker Lane Extension
Austin, TX 78759

Mailing Address:
Po Box 13172, Austin, TX 78711

Union Status: NonUnion

SIC:1629

NAICS: 0

Inspection Type: Accident

Scope: Partial

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 02/01/1985

Planning Guide: Safety-Construction

Emphasis:

Case Closed: 02/01/1985

Related Activity
Type	Activity Nr	Safety	Health
Accident	360549919

Investigation Summary

Investigation Nr: 14511109

Event: 01/17/1985

ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU BOOM

TWO EMPLOYEES WERE USING A SMALL TRACK ROCK DRILL TO MAKE HOLES FOR BLASTING. ONE EMPLOYEE WAS DRIVING THE ROCK DRILL TO A DRILLING LOCATION, AND THE OTHER EMPLOYEE WAS WALKING NEXT TO THE DRILL WHEN ITS BOOM CONTACTED A 69-KILOVOLT OVERHEAD POWER LINE. THE DRIVER WAS ELECTROCUTED. THE OTHER EMPLOYEE ESCAPED TO GET HELP. HE RETURNED WITH A FOREMAN AND FIRE EXTINGUISHERS. APPARENTLY, POTENTIAL GRADIENTS IN THE EARTH ENERGIZED THE GROUND FOR A CONSIDERABLE DISTANCE FROM THE FAULT LOCATION; AND, WHEN HE WAS APPROXIMATELY 25 FEET FROM THE ROCK DRILL, HE RECEIVED A FATAL ELECTRIC SHOCK. THE GROUND WAS VERY WET.

Keywords: OVERHEAD POWER LINE, ELECTRICAL, BOOM, POTENTIAL GRADIENT, ELECTROCUTED, E C

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	692871			Fatality	Electric Shock	Occupation not reported
2	692871			Fatality	Electric Shock	Occupation not reported

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