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

OSHA Inspection: THOUTT BROS. CONCRETE CONTRACTORS INC.

Complaint inspection · Health discipline

On , OSHA opened a complaint health inspection of THOUTT BROS. CONCRETE CONTRACTORS INC. in 5460 TENNYSON ST., DENVER, CO 80212 (NAICS 238110). OSHA activity number 346084155.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
5460 TENNYSON ST.
City
DENVER
State
CO
ZIP
80212
Mailing
5460 TENNYSON ST., DENVER, CO 80212
Inspection type
Complaint (B)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238110
Employees
293
Ownership type
A

7 citations on file for this inspection.

1910.134 D01 III

Serious Gravity 5 1 instance 2 exposed
Issued
Dec 6, 2022
Abate by
Jan 9, 2023
Penalty
Initial $10,360 · Current $10,360
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 contaminant's chemical state and physical form:  (a) Thoutt Bros. Concrete Contractors Inc. at 5460 Tennyson St. in Denver, CO: On or about July 18, 2022, and at times prior, employees were exposed to respiratory hazards when the employer did not evaluate employee exposure to metal fumes when workers were engaged in welding on mild and galvanized steel in the fabrication shop.
Recent events (1)
  • — Z (S) $10360

1910.134 E01

Serious Gravity 5 1 instance 2 exposed
Issued
Dec 6, 2022
Abate by
Jan 9, 2023
Penalty
Initial $10,360 · Current $10,360
29 CFR  1910.134(e)(1): The employer did not provide a medical evaluation to determine the employee's ability to use a respirator, before the employee was fit tested or required to use the respirator in the workplace:  (a) Thoutt Bros. Concrete Contractors Inc. at 5460 Tennyson St. in Denver, CO: On or about July 18, 2022, and at times prior, employees were exposed to physiological and respiratory hazards when the employer required respirator use but did not provide medical evaluations for employees to ensure they were medically able to wear respirators when engaged in welding on mild and galvanized steel in the fabrication shop.
Recent events (1)
  • — Z (S) $10360

1910.134 F02

Serious Gravity 5 1 instance 2 exposed
Issued
Dec 6, 2022
Abate by
Jan 9, 2023
Penalty
Initial $0 · Current $0
29 CFR  1910.134(f)(2): Employee(s) using tight-fitting facepiece respirators were not fit tested prior to initial use of the respirator:  (a) Thoutt Bros. Concrete Contractors Inc. at 5460 Tennyson St. in Denver, CO: On or about July 18, 2022, and at times prior, employees were exposed to respiratory hazards when the employer required employees who were engaged in welding on mild and galvanized steel in the fabrication shop to wear respirators but did not provide fit testing.
Recent events (1)
  • — Z (S) $0

1910.212 A01

Serious Gravity 5 1 instance 2 exposed
Issued
Dec 6, 2022
Abate by
Jan 9, 2023
Penalty
Initial $10,360 · Current $10,360
29 CFR 1910.212(a)(1): One or more methods of machine guarding was not provided to protect the operator and other employees in the machine area from hazards such as those created by point of operation, ingoing nip points, rotating parts, flying chips and sparks:  (a) Thoutt Bros. Concrete Contractors Inc. at 5460 Tennyson St. in Denver, CO: On or about July 18, 2022, and at times prior, employees were exposed to amputation hazards when using a fan with improperly guarded blades in the fabrication shop.
Recent events (1)
  • — Z (S) $10360

1910.252 C01 IV

Serious Gravity 5 1 instance 2 exposed
Issued
Dec 6, 2022
Abate by
Jan 9, 2023
Penalty
Initial $10,360 · Current $10,360
29 CFR  1910.252(c)(1)(iv): The employer did not include the potentially hazardous materials employed in fluxes, coatings, coverings, and filler metals, all of which are potentially used in welding and cutting, in the program established to comply with Hazard Communication Standard (HCS) (sec. 1910.1200).  (a) Thoutt Bros. Concrete Contractors Inc. at 5460 Tennyson St. in Denver, CO: On or about July 18, 2022, and at times prior, employees were exposed to respiratory hazards when the employer did not provide hazard communication training to employees related to the hazards of metal fumes and the materials found in fluxes, coatings, coverings, and filler metals when workers were engaged in welding on mild and galvanized steel in the fabrication shop.
Recent events (1)
  • — Z (S) $10360

1910.252 C06 II

Serious Gravity 5 1 instance 2 exposed
Issued
Dec 6, 2022
Abate by
Jan 9, 2023
Penalty
Initial $8,287 · Current $8,287
29 CFR  1910.252(c)(6)(ii): Indoors, welding or cutting involving zinc-bearing base or filler metals coated with zinc-bearing materials was not done in accordance with 29 CFR 1910.252(c)(3):  (a) Thoutt Bros. Concrete Contractors Inc. at 5460 Tennyson St. in Denver, CO: On or about July 18, 2022, and at times prior, employees were exposed to respiratory hazards when the employer did not provide local exhaust ventilation in the fabrication shop for employees welding metal coated with zinc-bearing materials.
Recent events (1)
  • — Z (S) $8287

1910.253 B04 III

Serious Gravity 5 1 instance 2 exposed
Issued
Dec 6, 2022
Abate by
Jan 9, 2023
Penalty
Initial $8,287 · Current $8,287
29 CFR 1910.253(b)(4)(iii): Oxygen cylinders in storage were not separated from fuel-gas cylinders or combustible materials (especially oil or grease), a minimum distance of 20 feet (6.1 m) or by a noncombustible barrier at least 5 feet (1.5 m) high having a fire-resistance rating of at least one-half hour:  (a) Thoutt Bros. Concrete Contractors Inc. at 5460 Tennyson St. in Denver, CO: On or about July 18, 2022, and at times prior, employees were exposed to fire and explosion hazards when an oxygen cylinder was stored next to an acetylene cylinder in the fabrication shop.
Recent events (1)
  • — Z (S) $8287

View Thoutt Bros. Concrete Contractors INC.'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 346084155.

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