Safety Incidents OSHA Severe Injury Reports · 2015–2025
3,913,242Inspections Most recent open 2026-07-13 Last loaded 2026-07-17

DEL CITY, OK —

OSHA Inspection: DUNCAN & SONS

Planned inspection · Safety discipline

At a glance

On , OSHA opened a planned safety inspection of DUNCAN & SONS in S. SUNNYLANE & TINKER DIAGNAL, DEL CITY, OK 73103 (NAICS 236220). OSHA activity number 334100237.

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Where did this inspection happen?

Establishment
DUNCAN & SONS
Site address
S. SUNNYLANE & TINKER DIAGNAL
City
DEL CITY
State
OK
ZIP
73103
Mailing
PO BOX 1503, SAPULPA, OK 74067

What kind of inspection was it?

Inspection type
Planned (H)
Scope
Complete (A)
Discipline
Safety
Advance notice
No
Union status
B

When did the case open and close?

Opened
Closing conference
Case closed
Last modified
Data loaded

Establishment context

NAICS code
236220
Employees
17
Ownership type
A

Citations

2 citations on file for this inspection.

1926.100 A

Other-than-serious 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $1600.00 · Current $960.00 Reduced

General-duty citation text

29 CFR 1926.100(a):  Employees were not protected by protective helmets while working in areas where there was a possible danger of head injury from impact, or from falling or flying objects, or from electrical shock and burns:    On or about April 18, 2012,  employees did not wear a protective helmet while working in a trench, exposing the employee to the hazard of being struck by falling objects.
Recent events (2)
  • — I (O) $960
  • — Z (S) $1600

1926.652 A01

Serious Gravity 10 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $2800.00 · Current $1680.00 Reduced

General-duty citation text

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).    On or about April 18, 2012, no protective devices, effective benching or sloping were in place to protect an employee while working in a trench, exposing the employee to the hazard of being crushed by collapsing soil.
Recent events (2)
  • — I (S) $1680
  • — Z (S) $2800

More inspections at DUNCAN & SONS

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Source

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 334100237.