Accident Report Detail

Accident Summary Nr: 202357927 - Two Construction Employees Are Injured When Structure Collap

Accident Summary Nr: 202357927 -- Report ID: 0352440 -- Event Date: 05/10/2006
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
309900629	05/10/2006	1761	238170	United National Construction Company, Inc.

Abstract: On May 10, 2006, Employee's #1 and #2 were pouring and installing a concrete deck. The metal-reinforced mezzanine that measured 11-ft high, 31.5-ft wide, and 62-ft long, collapsed during the concrete pouring operation. The mezzanine was supported by two structural steel columns and I-beams that supported the center portion. The concrete was poured using a concrete pump truck. The platform collapsed under the weight of the newly poured concrete. The design engineers' drawings for the mezzanine were not complied with. Six-inch wide drywall studs were used along the perimeter of the deck, instead of architectural metal studs, that were capable of supporting a load of 2,800 lbs. Employees #1 and #2, who were working at an elevation, fell and hit the ground. They suffered sprains and strains but were not hospitalized.

Keywords: CONCRETE FORM WORK, COLLAPSE, OVERLOADED, CONSTRUCTION, FALL, FALL PROTECTION, CONCRETE, SPRAIN

Accident Details
End Use		Project Type		Project Cost	Stories	Non-building Height	Fatality
Commercial building		New project or new addition		$1,000,000 to $5,000,000	2	25

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation	Construction
1	309900629			Non Hospitalized injury	Strain/Sprain	Construction laborers	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Pouring or installing floor decks Fatality Cause: Collapse of structure
2	309900629			Non Hospitalized injury	Strain/Sprain	Construction laborers	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Pouring or installing floor decks Fatality Cause: Collapse of structure

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