OSHA Accident Investigation · Summary #221395239

NORTHWEST STEEL ERECTION INC

DES MOINES, IA· 2021-09-20T00:00:00

Event: Aerial Lift, Aerial Truck, Back, Beam, Concrete, Concrete Panel, Construction, Contusion, Crushed, Engineering Controls, Fall, Fall From Elevation, Fall Protection, Falling Object, Flying Object, Foot, Fracture, H-Beam, Insufficient Supervision, Knee, Lack of Engineering Controls, Lack of Work Procedures, Leg, Metal, Misjudgment, Misjudgment of Hazardous Situation, Nerve damage, Steel, Steel Beam, Steel Erection, Steel Worker, Structural Collapse
NAICS: 522110
Inspection type: Referral
Activity number: #345547350
Employer profile: NORTHWEST STEEL ERECTION INC
Summary number: 221395239
Report ID: 0751910
Project type: A
Construction end-use: C

Event description

Employee fractures leg, falls with precast concrete sections

Investigation abstract

At 11:55 a.m. on September 20, 2021, an employee working as a steel worker for a that was attached to the top rail of the JLG. Coworker #1 was operating the lift from the platform and attempted to pull the precast towards the lift when the I-beam shifted out of the block wall towards the lift. This caused a sudden movement of the lift and two of the three precast concrete panels sections fell approximately 12 feet to the ground taking the employee with them. One of the 2790-pound sections rolled over and onto the employee's left leg. Coworker #2, the foreman who was working nearby performing grinding, and Coworker #1 attempted a rescue. Coworker #1 and Coworker #2 pried the beam enough with a bar so that the employee could escape from underneath the concrete. 911 was initiated and the employee was taken to a local medical center, where he was structural steel manufacturer was standing on a precast concrete section. The hospitalized to treat a fractured and bruised leg and bruising. employee was working with Coworker #1 positioned in the hollow core precast for the second story floor on two I-Beams. One of the precast concrete sections was off approximately 1 to 1.5 inches and not sitting square on the beams. The employee exited the JLG lift platform while still attached via his fall arrest system to the JLG tie off point. He made his way out on the concrete to the rig and up the lifting cable. The employee rigged the cable through the north eye that was mounted in the concrete section and attached it to the clevis hitch

Victim

#1 Hospitalized Age 38 M

Event type
5

Occupation code
7051

Fall distance
12

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