Accident Report Detail

Accident Summary Nr: 200820090 - Four employees injured when masonry wall collapses

Accident Summary Nr: 200820090 -- Report ID: 0521400 -- Event Date: 10/30/1997
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
300587854	10/30/1997	1741	0	Corrado Masonry Co.

Abstract: At 12:05 p.m., Employees #1 through #4, all masons, had just completed laying a 7 ft high by 22 ft long masonry wall built of 8 in. by 8 in. by 16 in. blocks on top of a similar 8 ft high wall that had been completed two days earlier. The final 15 ft 4 in. tall wall had a brace in the middle of it but the brace had snapped in the 30 mph wind. The wall then broke apart at the horizontal seam where the new wall and the old wall were joined. The wall collapsed onto a scaffold and then onto Employees #1 through #4. They sustained injuries that required hospitalization. No rebar or grout was used in this construction, nor were there any bond beams. The company was cited for inadequate wall bracing using MIOSHA guidelines as a foundation. The CSHO felt that the mortar had been oversanded because at even one week, the mortar crumbled on one's hand; budget considerations preventing testing to determine this factor.

Keywords: HIGH WIND, WALL, COLLAPSE, UNSECURED, WORK RULES, CONSTRUCTION, EQUIPMENT FAILURE, BRACE, BRACING

Accident Details
End Use		Project Type		Project Cost	Stories	Non-building Height	Fatality
Multi-family dwelling		New project or new addition		$250,000 to $500,000	2	30

Employee Details
Employee #	Inspection Nr	Degree of Injury	Nature of Injury	Occupation	Construction
1	300587854	Hospitalized injury	Bruise/Contus/Abras	Construction laborers	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Interior masonry Fatality Cause: Collapse of structure
2	300587854	Hospitalized injury	Asphyxia	Construction laborers	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Interior masonry Fatality Cause: Collapse of structure
3	300587854	Hospitalized injury	Bruise/Contus/Abras	Construction laborers	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Interior masonry Fatality Cause: Collapse of structure
4	300587854	Hospitalized injury	Cut/Laceration	Construction laborers	Distance of Fall: feet Worker Height Above Ground/Floor: feet Cause: Interior masonry Fatality Cause: Collapse of structure

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