Accident Report Detail

Accident Summary Nr: 14465488 - WOODEN DECKING COLLAPSED, ALLOWING EMPLOYEES TO FALL

Accident Summary Nr: 14465488 -- Report ID: 0626300 -- Event Date: 07/30/1986
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
100641489	07/31/1986	1629	0	Preload Technology, Inc.

Abstract: THE INJURED EMPLOYEES WERE INSTALLING AND FINISHING CONCRETE ON THE WOODEN FLOOR DECKING OF A DOMED FORMWORK WHEN THE SUPPORTING DECKING COLLAPSED. THE EMPLOYEES, ALONG WITH REBAR, CONCRETE AND WOODEN PIECES OF THE DECKING, FELL 50 FEET TO THE CONCRETE FLOOR. THEY SUFFERED FRACTURES, ABRASIONS AND CONTUSIONS. AN INVESTIGATION OF THE REMAINING INTACT SHORING AND THE DESIGN DRAWINGS REVEALED THAT CRITICAL RADIAL BRACINGS HAD NOT BEEN INSTALLED. THIS ALLOWED THE SHORING SUPPORT POSTS TO BUCKLE TO THE POINT OF FAILURE. A SIMILAR SITUATION WAS FOUND IN 2 PLACES WHERE CONCRETE HAD ALREADY BEEN POURED AND TOTAL COLLAPSE HAD NOT OCCURRED. SEVERE POST BUCKLING HAD ALSO OCCURRED IN 2 OTHER PLACES WHERE CONCRETE HAD NOT YET BEEN POURED.

Keywords: FRACTURE, BUILDING COLLAPSE, WORK RULES, CONSTRUCTION, ABRASION, FALL, CONCRETE, CONTUSION

Employee Details
Employee #	Inspection Nr	Degree of Injury	Nature of Injury	Occupation
1	100641489	Hospitalized injury	Bruise/Contus/Abras	Occupation not reported
2	100641489	Hospitalized injury	Fracture	Occupation not reported
3	100641489	Hospitalized injury	Bruise/Contus/Abras	Occupation not reported
4	100641489	Hospitalized injury	Concussion	Occupation not reported
5	100641489	Hospitalized injury	Fracture	Occupation not reported
6	100641489	Hospitalized injury	Fracture	Occupation not reported
7	100641489	Hospitalized injury	Concussion	Occupation not reported
8	100641489	Hospitalized injury	Bruise/Contus/Abras	Occupation not reported
9	100641489	Hospitalized injury	Bruise/Contus/Abras	Occupation not reported

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