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### Inspection Detail

**Case Status: CLOSED**

#### **Inspection: 1507732.015 - Nelsen Construction**

**Inspection Information - Office: Sioux Falls Area Office**

 

**Inspection Nr**

**Report ID**

**Date Opened**

----

**Site Address**: 			   Nelsen Construction			   4649 Coal Bank DriveRapid City, SD 57701

**Mailing Address**: 			   6612 Greenfield Drive, Rapid City, SD 57703

**Union Status**: NonUnion

**SIC**:

**NAICS**: 237110/Water and Sewer Line and Related Structures Construction

----

**Inspection Type**: Fat/Cat

**Scope**: Complete

**Advanced Notice**: N

**Ownership**: Private

**Safety/Health**: Safety

**Close Conference**: 12/22/2020

**Emphasis**:N:Trench

**Case Closed**: 05/21/2021

----

**Case Status: CLOSED**

#### **Investigation Summary**

**Investigation Nr**

**Event**

At 4:00 p.m. on December 21, 2020, Employee #1 and coworkers, employed by a water and sewer line construction company, were attempting to repair a residential sewer line that was back flowing.  While they were in the trench they had dug, a trench wall collapsed.  Employee #1 was caught in the collapsing material and fatally crushed.

**Keywords:**asphyxiated, blunt force trauma, buried, caught in, crushed, excavation, pipeline, repair, residential construction, sewer, structural collapse, trench, unguarded, unprotected, wall
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