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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 202657466 - Roof Truss Falls And Kills Worker At Dairy Farm

Accident: 202657466 -- Report ID: 0950643 -- Event Date: 08/01/2013
InspectionOpen DateSICEstablishment Name
31667064508/01/20131799Delmar Van Dam Dba High Desert Dairy
At approximately 11:35 a.m. on August 1, 2013, Employee #1, a 41-year old male unlicensed contractor with Delmar Van Dam Dba High Desert Dairy, was constructing a 90 ft long by 60 ft wide by 25 ft high steel frame hay barn at a residential worksite owned by High Desert Dairy in Lancaster California. An Ingersol Rand hydraulic lift (Model VR-1056, Serial Number 167290, 113CH6 35-218500A) was approximately 60 ft in length and was used to position 60-foot, 1,000 pound metal trusses on to the vertical uprights of the barn structure. A 0.375 in. rope was connected to vertical uprights with a white rope attached to the north beam on the ground, positioned at top and connected to a fence at north side as well as a yellow rope that connected to the beam. The steel trusses would eventually hold up the roof of the barn. While Employee #1 was at ground level retrieving a tool from the box of hydraulic lift, a beam positioned approximately 25 ft above Employee #1 fell and struck him in the head. The Employee #1 died on the scene and was transferred by County of Los Angeles Department of Coroner. Employee #1 sustained traumatic head injuries. The causal factor of the accident was the metal truss beam was released from the hoisting apparatus without being effectively secured or supported in position as to prevent it from being dislodged from position. Factors that may cause truss being dislodged may include but not limited to environmental conditions such as the wind. Delmar Vandam dba High Desert Dairy was a dairy farm that conducts general farming activities, dairy manufacturing, baling hay and barn construction.
Keywords: head, truss, agriculture, construction, hoist, skull, fall, struck by, falling object, crane
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Other building New project or new addition Under $50,000 1 25 X
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 316670645 Fatality Concussion Construction laborers FallDist:
FallHt:
Cause: Erecting structural steel
FatCause: Struck by falling object/projectile

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