Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,214Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

OSHA Inspection: NELSEN CONSTRUCTION, INC.

Planned inspection · Safety discipline

On , OSHA opened a planned safety inspection of NELSEN CONSTRUCTION, INC. in MARVEL MOUNTAIN ROAD EAST OF CITY, BLACK HAWK, SD 57718 (NAICS 237110). OSHA activity number 339864894.

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Site address
MARVEL MOUNTAIN ROAD EAST OF CITY
City
BLACK HAWK
State
SD
ZIP
57718
Mailing
6612 GREENFIELD DRIVE, RAPID CITY, SD 57703
Inspection type
Planned (H)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
237110
Employees
4
Ownership type
A

2 citations on file for this inspection.

1926.652 A01

Serious Gravity 10 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $2800.00 · Current $1960.00 Reduced
29 CFR 1926.652(a)(1): Each employee in an excavation was not protected from cave-ins by an adequate protective system designed in accordance with 29 CFR 1926.652(c):     (a) On or about July 18, 2014, for employees exposed to cave-in hazards while installing a waterline from within a trench with a depth of 6 feet at the work site located on Marvel Mountain Road, East of Black Hawk, South Dakota.
Recent events (2)
  • — I (S) $1960
  • — Z (S) $2800

1926.651 K02

Serious Gravity 10 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $0.00 · Current $0.00
29 CFR 1926.651(k)(2): Where the competent person found evidence of a situation that could result in possible cave-in, indications of failure of protective systems, hazardous atmospheres, or other hazardous conditions, exposed employee(s) was/were not removed from the hazardous area until the necessary precautions had been taken to ensure their safety:   (a) On or about July 18, 2014, for employees exposed to cave-in hazards while working within an excavation of 6 feet in depth without protective systems in place, where the competent person was aware the depth exceeded safe limits, at the work site located on Marvel Mountain Road, East of Black Hawk, South Dakota.
Recent events (2)
  • — I (S) $0
  • — Z (S) $0

AEROTEK

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 339864894.