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Inspection Detail

Inspection: 316775022 - Sm Hentges & Sons Inc

Inspection Information - Office: Minnesota

Nr: 316775022Report ID: 0552700Open Date: 10/22/2012

Sm Hentges & Sons Inc
Fort Snelling State Park Post Rd, River Bottoms
Mendota Heights, MN 55120
Union Status: Union
SIC: 1794/Excavation Work
NAICS: 238910/Site Preparation Contractors
Mailing: 650 Quaker Ave, Jordan, MN 55352

Inspection Type:Accident
Scope:Partial Advanced Notice:N
Ownership:Private
Safety/Health:Safety Close Conference:03/06/2013
Close Case:11/21/2014

Related Activity:TypeIDSafetyHealth
 Accident100512771    

Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 2 2
Current Violations 1 1
Initial Penalty $24,500 $24,500
Current Penalty $1,000 $1,000
FTA Amount

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
  1. 01001 Serious 19260021 B02 03/15/2013 03/19/2013 $1,000 $21,000 $0 04/02/2013 F - Formal Settlement
Deleted 2. 01002 Serious 19260106 A 03/15/2013 03/19/2013 $3,500 $3,500 $0 04/02/2013 F - Formal Settlement

Accident Investigation Summary
Summary Nr: 200515716Event: 10/22/2012Operator Is Fatally Crushed When Backhoe Overturns
On October 22, 2012, Employee #1, of S.M. Hentges & Sons Inc., was operating a backhoe excavator, dredging vegetation and sedimentation from a pond used to collect runoff from an airport. The pond covered approximately 4 acres. It was 30 ft. to 40 ft. deep. The pond's top 2 ft. was water, and the remaining depth consisted of cattail bog and decomposing vegetation. Employee #1 was operating the backhoe on top of wood mats used to support the backhoe and prevent it from sinking into the pond. He was keeping three mats underneath the backhoe and moving one mat in front as he moved forward. The mat farthest to the rear rolled, causing the backhoe to begin sliding into the water. Employee #1 attempted to rotate the backhoe cab to stop the machine from sliding. He was found crushed to death, pinned between the top of the cab and the mat. Minnesota OSHA investigated and proposed two serious citations.
Keywords: construction, excavation, water, machine operator, backhoe, unstable surface, overturn, crushed, pinned, caught between
Inspection Degree Nature Occupation
1 316775022 Fatality Other Excavating and loading machine operators

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