Safety Incidents OSHA Severe Injury Reports · 2015–2025
4,113,118Inspections Most recent open 2026-07-13 Last loaded 2026-07-17

OSHA Inspection: DENVER CONCRETE SERVICES INC.

Complaint inspection · Safety discipline

On , OSHA opened a complaint safety inspection of DENVER CONCRETE SERVICES INC. in 3571 E. 141ST AVE., THORNTON, CO 80602 (NAICS 238110). OSHA activity number 335124384.

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Site address
3571 E. 141ST AVE.
City
THORNTON
State
CO
ZIP
80602
Mailing
8110 E. 86TH AVE., COMMERCE CITY, CO 80022
Inspection type
Complaint (B)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238110
Employees
90
Ownership type
A

5 citations on file for this inspection.

1926.95 A

Serious Gravity 1 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $1785.00 · Current $1071.00 Reduced
29 CFR 1926.95(a): Protective equipment, including personal protective equipment for eyes, face, head, and extremities, protective clothing, respiratory devices, and protective shields and barriers, were not provided:    (a) Denver Concrete Services Inc., 3571 E. 141st Ave., Thornton, CO: On and before 7/10/12, the employer did not select and require employee(s) to use appropriate hand protection when employees' hands were exposed to hazards such as those from severe cuts or lacerations, severe abrasion, and punctures.  The employer did not provide work gloves for the concrete tear out crew.  This condition exposed employees to cuts and/or abrasions from lifting broken pieces of concrete.
Recent events (2)
  • — I (S) $1071
  • — Z (S) $1785

1910.1200 H01

Serious Gravity 1 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $1785.00 · Current $1071.00 Reduced
29 CFR 1910.1200(h)(1): Employees were not provided effective information and training on hazardous chemicals in their work area at the time of their initial assignment and whenever a new hazard that the employees had not been previously trained about was introduced into their work area:    (a) Denver Concrete Services Inc., 3571 E. 141st Ave., Thornton, CO: On and before 7/10/12, the employer did not provide effective information and training to employees regarding the health and safety hazards of the hazardous chemicals in their work area, such as but not limited to:    	(1) Crystalline silica    Abatement note: Information and training may be designed to cover categories of hazards (e.g., flammability, carcinogenicity) or specific chemicals.  Chemical specific information must always be available through labels and material safety data sheets.    The requirements applicable to construction work under this section are identical to those set forth at 29 CFR 1910.1200 of this chapter.
Recent events (2)
  • — I (S) $1071
  • — Z (S) $1785

1910.134 D01 III

Serious Gravity 5 1 instance 3 exposed
Issued
Penalty
Initial $2975.00 · Current $1785.00 Reduced
29 CFR 1910.134(d)(1)(iii): The employer did not identify and evaluate the respiratory hazard(s) in the workplace; including a reasonable estimate of employee exposures to respiratory hazards and identification of the contaminants chemical state and physical form:    (a) Denver Concrete Services Inc., 3571 E. 141st Ave., Thornton, CO: On and before 7/10/12, the employer did not evaluate the respiratory hazard of respirable crystalline silica during the demolition of concrete driveways.  This condition exposed employees to a respiratory hazard.      The requirements applicable to construction work under this section are identical to those set forth at 29 CFR 1910.134 of this chapter.
Recent events (2)
  • — I (S) $1785
  • — Z (S) $2975

1926.52 D01

Serious Gravity 5 2 instances 3 exposed
Issued
Abate by
Penalty
Initial $2975.00 · Current $1785.00 Reduced
29 CFR 1926.52(d)(1): In all cases where the sound levels exceeded the values shown in Table D-2 of 29 CFR 1926.52, a continuing, effective hearing conservation program was not administered:    (a) Denver Concrete Services Inc., 3860 E. 128th Way, Thornton, CO: On and before 9/19/12, the employer did not administer a continuing, effective hearing conservation program whenever employee noise exposures exceeded the values shown in Table D-2 of 29 CFR 1926.52.  Employee A operating a jackhammer during the tear out of concrete driveways was exposed to an average sound level of 95.7 dBA, which corresponds to a dose of 226.9%.  This condition exposed employees to the hazard of noise induced hearing loss.    (b) Denver Concrete Services Inc., 3860 E. 128th Way, Thornton, CO: On and before 9/19/12, the employer did not administer a continuing, effective hearing conservation program whenever employee noise exposures exceeded the values shown in Table D-2 of 29 CFR 1926.52.  Employee B assisting the jackhammer operator during the tear out of concrete driveways was exposed to an average sound level of 95.4 dBA, which corresponds to a dose of 212.2%.  This condition exposed employees to the hazard of noise induced hearing loss.      Abatement note: The Occupational Safety and Health Administration (OSHA) has determined that an effective hearing conservation program consists of the following elements:     (1) Monitoring of employee noise exposures,     (2) The institution of engineering, work practice, and administrative controls for excessive noise,     (3) The provision of each overexposed employee with an individually fitted hearing protector with an adequate noise reduction rating,     (4) Employee training and education regarding noise hazards and protection measures,     (5) Baseline and annual audiometry,     (6) Procedures for preventing further occupational hearing loss by an employee whenever such an event has been identified.     (7) Recording Keeping
Recent events (2)
  • — I (S) $1785
  • — Z (S) $2975

1910.134 C02 II

Other-than-serious 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $0.00 · Current $0.00
29 CFR 1910.134(c)(2)(ii): The employer did not establish and implement those elements of a written respiratory protection program necessary to ensure that any employee using a respirator voluntarily was medically able to use that respirator, and that the respirator was cleaned, stored, and maintained so that its use did not present a health hazard to the user:    (a) Denver Concrete Services Inc., 3571 E. 141st Ave., Thornton, CO: On and before 9/19/12, the employer did not ensure that any employee using a respirator voluntarily was medically able to use the respirator, and that the respirator was cleaned, stored, and maintained properly.  The employer provided 3M 8300 tight-fitting facepiece respirators for voluntary use and did not ensure that employees received a medical evaluation prior to initial use of the respirator.  This condition may exacerbate underlying medical conditions due to the additional physical challenges of respirator use.      The requirements applicable to construction work under this section are identical to those set forth at 29 CFR 1910.134 of this chapter.
Recent events (2)
  • — I (O) $0
  • — Z (O) $0

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 335124384.