Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,992Inspections Most recent open 2026-07-18 Last loaded 2026-07-22

OSHA Inspection: L4 CONSTRUCTION, LLC

Federal Agency inspection · Safety discipline

On , OSHA opened a federal Agency safety inspection of L4 CONSTRUCTION, LLC in 6584 S HOLLY ST, CENTENNIAL, CO 80111 (NAICS 237310). OSHA activity number 347712986.

What this inspection record means

OSHA opens inspections for many reasons — routine scheduling under a national or local emphasis program, an employee complaint or referral, or a follow-up after a reported injury. Opening or conducting an inspection is not itself an allegation or a finding that this employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Site address
6584 S HOLLY ST
City
CENTENNIAL
State
CO
ZIP
80111
Mailing
2350 17TH AVENUE SUITE #204, LONGMONT, CO 80503
Inspection type
Federal Agency (M)
Scope
Partial (B)
Discipline
Safety
Advance notice
Yes
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
237310
Employees
7
Ownership type
A

3 citations on file for this inspection.

5(a)(1)

Serious Gravity 10 1 instance 1 exposed
Issued
Feb 25, 2025
Abate by
Apr 30, 2025
Penalty
Initial $11,585 · Current $11,585
OSH ACT of 1970 Section 5(a)(1): The employer did not furnish employment and a place of employment which were free from recognized hazards that were causing or likely to cause death or serious physical harm to employees in that employees were exposed to crushing and struck-by hazards:  (a) On or about August 26, 2024, at or near the intersection of S. Holly St and E. Arapahoe Road,  employees conducting concrete sidewalk removal activities and walking and working near moving equipment were exposed to crushing and struck-by hazards from dump trucks being backed into the work area.  An employee was fatally injured after being run over and crushed by a dump truck that was being operated in reverse in the work area.   Abatement certification and documentation are required for this item (see enclosed "Certification of Corrective Action Worksheet").
Recent events (2)
  • — I (S) $11585
  • — Z (S) $11585

1926.21 B02

Serious Gravity 5 1 instance 3 exposed
Issued
Feb 25, 2025
Abate by
May 30, 2025
Penalty
Initial $8,276 · Current $8,276
29 CFR  1926.21(b)(2):The employer did not instruct each employee in the recognition and avoidance of unsafe condition(s) and the regulation(s) applicable to his work environment to control or eliminate any hazard(s) or other exposure to illness or injury:  (a) On or about August 26, 2024, at or near the intersection of S. Holly St and E. Arapahoe Road, the employer did not ensure that employees conducting concrete sidewalk removal activities were provided instruction in the recognition and avoidance of struck-by hazards involving  spotter safety training, safe backing operations, and internal traffic control procedures while heavy equipment or trucks were performing backing operations at the job site. Employees were also stopping and signaling traffic to allow construction equipment to enter and exit the work zone without adequate training. This condition exposed employees to crushing and struck-by hazards while stopping traffic and backing dump trucks within the job site.    Abatement certification and documentation are required for this item (see enclosed " Certification of Corrective Action Worksheet").
Recent events (2)
  • — I (S) $8276
  • — Z (S) $8276

1926.201 A

Serious Gravity 5 1 instance 3 exposed
Issued
Feb 25, 2025
Abate by
Apr 30, 2025
Penalty
Initial $8,276 · Current $4,000 Reduced
29 CFR  1926.201(a): Signaling by flaggers and the use of flaggers, including warning garments worn by flaggers did not conform to Part VI of the Manual on Uniform Traffic Control Devices, (1988 Edition, Revision 3 or the Millennium Edition):  (a)  On or about August 26, 2024, at or near the intersection of S. Holly St and E. Arapahoe Road, the employer did not ensure employees providing traffic control had followed the Manual on Uniform Traffic Control Devices (MUTCD) to instruct flaggers to use proper hand-signaling devices to direct traffic.  Employees were directing traffic using hand signals without the aid of paddles and/or flags.  This condition exposed employees in the work zone to a struck-by hazard.    Abatement certification and documentation are required for this item (see enclosed "Certification of Corrective Action Worksheet").
Recent events (2)
  • — I (S) $4000
  • — Z (S) $8276

View L4 Construction, LLC's full OSHA safety record →

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 347712986.

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