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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 201493970 - Employee Catches Hand In Mixer, Fingers Are Amputated

Accident: 201493970 -- Report ID: 0950625 -- Event Date: 03/02/2010
InspectionOpen DateSICEstablishment Name
31291647106/29/20101741Superior Masonry Structures Dba Preston Masonry

On March 2, 2010, Employee #1 was assigned to mix mortar using a gasoline powered, 5.5 HP Honda, belt-driven 6.5-yard paddle mixer. Employee #1 circumvented the grate guard without stopping and de-energizing the mixer resulting in the partial amputation of digits two and four of his right hand. Conflicting information was provided to Division in its investigation. The first scenario Employee #1 claimed the water hose became entangled in the paddles causing him to put his hand through the grate guard to release the hose. The second scenario was reported by the employer's site supervisor, who claims Employee #1 stated that he put his hand through the grate guard to remove dry mortar from a ledge formed by hardened material in the hopper. Employee #1, a construction laborer, had been hired that morning on a temporary basis for the construction of a Block-Lite residential water pump house. Employee #1 had represented himself as having three to four years of masonry experience, including operating mortar mixers. On March 9, a case worker from the California State Department of Employment Development notified the Division of the accident. The safety program for Preston Masonry, Inc, in Bakersfield, CA, was found to be deficient in that did not have lock-out procedures or provide training, nor was the new hire evaluated to be qualified.

Keywords: mixer blade, amputated, finger, guard, concrete mixer, grating, hand
Accident Details
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Other building New project or new addition Under $50,000 1

Employee Details
Employee # Inspection Age Sex Degree Nature Occupation
1 312916471 Non Hospitalized injury Amputation Supervisors; brickmasons, stonemasons, tilesetters

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