Inspection Detail

Inspection: 2635613 - Hawaiian Crane & Rigging Ltd

Inspection Information - Office: Hi-E-Honolulu

Inspection Nr: 2635613

Report ID: 0951510

Date Opened: 12/03/1985

Site Address:
Hawaiian Crane & Rigging Ltd
Kamehameha Hwy & Military Access Rd C
Kahuku, HI 96731

Mailing Address:
Po Box 30228, Honolulu, HI 96820

Union Status: Union

SIC:1796

NAICS: 0

Inspection Type: Accident

Scope: Partial

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 12/03/1985

Planning Guide: Safety-Construction

Emphasis:

Case Closed: 12/03/1985

Related Activity
Type	Activity Nr	Safety	Health
Accident	360580757

Investigation Summary

Investigation Nr: 14300651

Event: 12/03/1985

CRANE BOOM COLLAPSE

ON DECEMBER 3, 1985, AT APPROXIMATELY 10 AM., A CREW OF 18 WORKERS WAS LIFTING A WIND TURBINE TO THE TOP OF A 114 1/2' HIGH TOWER, USING A 200 TON TRUCK MOUNTED CRANE WITH A 180 FOOT LONG BOOM. THE LOAD WEIGHT WAS APPROXIMATELY 44 TONS. WEATHER CONDITIONS WERE CLEAR WITH GROUND WINDS MEASURED AT 20 - 25 MPH, WITH GUSTS TO 30 MPH. THE OUTRIGGERS WERE FULLY EXTENDED AT 24', SET ON SOLID GROUND OVER STEEL ROAD PLATES. THE LIFT WAS MADE OVER "THE REAR", WITH 4 TAG LINES IN USE. THE BOOM ANGLE WAS 80 DEGREES, WITH A 35 FOOT RADIUS. AFTER REACHING THE TOP OF THE TOWER THE LOAD WAS SWUNG TO THE RIGHT, OVER "THE SIDE", AND HELD. THE CRANE OPERATOR WAS SIGNALLED TO BOOM UP WHEN THE CRANE STARTED TO TIP. THE BOOM AND LOAD FELLTO THE LEFT, AWAY FROM THE TOWER. THE LOAD CABLES GLANCED OFF THE TOWER. THE LOAD WAS RELEASED TO PREVENT THE CRANE FROM TIPPING. THE BOOM AND LOAD COLLAPSED TO THE GROUND. THREE HIGH VOLTAGE 4 KV ELECTRIC LINES WERE STRUCK AND BROKEN AT THE JOB SITE PERIMETER. SOME HEAVY EQUIPMENT DAMAGE OCCURRED. NO WORKERS WERE INJURED.

Keywords: OUTRIGGER, COLLAPSE, TRUCK CRANE, CRANE, OVERTURN

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	2635613					Occupation Not Listed

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