Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,191,288Inspections Most recent open 2026-07-24 Last loaded 2026-07-29

OSHA Inspection: MOUNTAIN STATES CONSTRUCTION COMPANY, INC.

Planned inspection · Safety discipline

On , OSHA opened a planned safety inspection of MOUNTAIN STATES CONSTRUCTION COMPANY, INC. in 21845 E. QUINCY, AURORA, CO 80018 (NAICS 236220). OSHA activity number 339100323.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
21845 E. QUINCY
City
AURORA
State
CO
ZIP
80018
Mailing
12741 E. CALEY AVE., CENTENNIAL, CO 80111
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
236220
Employees
1
Ownership type
A

4 citations on file for this inspection.

1926.451 B01

Other-than-serious 1 instance 1 exposed
Issued
Jun 28, 2013
Abate by
Jul 9, 2013
Penalty
Initial $2,000 · Current $800 Reduced
29 CFR 1926.451(b)(1): Platform(s) on all working levels of scaffolds, were not fully planked or decked between the front uprights and guardrail supports such that the space between adjacent units, and the space between the platform and the uprights was no more than 1 inch:     (a)  On or about May 24, 2013, and at times prior, Mountain States Construction Company, Inc., as the controlling employer, did not ensure that employees of Tracy Travis, subcontractor, were protected from fall hazards from a rolling scaffold that was not fully planked on the working levels.    Abatement Note: Abatement certification is required for this item (see enclosed "Certification of Corrective Action Worksheet").
Recent events (3)
  • — F (O) $800
  • — C (S) $2000
  • — Z (S) $2000

1926.501 B04 I

Other-than-serious 1 instance 4 exposed
Issued
Jun 28, 2013
Abate by
Jul 9, 2013
Penalty
Initial $2,000 · Current $2,000
29 CFR 1926.501(b)(4)(i): Each employee on walking/working surfaces was not protected from falling through holes (including skylights), more than six feet (1.8 m) above lower levels, by personal fall arrest systems, covers, or guardrail systems erected around such holes:    a)  On or about May 24, 2013, Mountain States Construction Company, Inc., as controlling employer, did not ensure that employees of Tracy Travis, subcontractor, were protected from falls of approximately 18 feet through the roof access hole that was not guarded while they were working on the roof.      Abatement Note: Abatement certification and documentation are required for this item (see enclosed "Certification of Corrective Action Worksheet").
Recent events (3)
  • — F (O) $2000
  • — C (S) $2000
  • — Z (S) $2000

1926.501 B01

Serious Gravity 10 1 instance 4 exposed
Issued
Jun 28, 2013
Abate by
Jul 9, 2013
Penalty
Initial $5,600 · Current $2,000 Reduced
29 CFR 1926.501(b)(1): Each employee on a walking/working surface with an unprotected side or edge which was 6 feet (1.8 m) or more above a lower level was not protected from falling by the use of guardrail systems, safety net systems, or personal fall arrest systems:    a)  On or about May 24, 2013, Mountain States Construction Company, Inc., as controlling employer, did not ensure that employees of Tracy Travis, subcontractor, were protected from fall hazards of approximately 18 feet while working at the edge of the roof of a building under construction without fall protection.      Abatement Note: Abatement certification and documentation are required for this item (see enclosed "Certification of Corrective Action Worksheet").    Mountain States Construction Company, Inc., was previously cited for a violation of this occupational safety and health standard or its equivalent standard 29 CFR 1926.501(b)(1), which was contained in OSHA inspection number 911911547, citation  number 1, item number 2a and was affirmed as a final order on July 28, 2009, with respect to a workplace located at 2310 W. 9th Avenue in Longmont, Colorado.
Recent events (3)
  • — F (S) $2000
  • — C (R) $5600
  • — Z (R) $5600

1926.1053 B16

Other-than-serious 1 instance 1 exposed
Issued
Jun 28, 2013
Penalty
Initial $0 · Current $0
29 CFR 1926.1053(b)(16): Portable ladders with structural defects, such as, but not limited to, broken or missing rungs, cleats, or steps, broken or split rails, corroded components, or other faulty or defective components, were not either immediately marked in a manner that readily identifies them as defective, or tagged with "Do Not Use" or similar language, and were not withdrawn from service until repaired:  (a)  On or about May 24, 2013, Mountain States Construction Company, Inc., as controlling employer, did not ensure that employees of Tracy Travis, subcontractor, were protected from fall hazards while using a broken step ladder to access the generator trailer.    Abatement Note: Abatement certification is required for this item (see enclosed "Certification of Corrective Action Worksheet").
Recent events (3)
  • — F (O) $0
  • — C (O) $0
  • — Z (O) $0

View Mountain States Construction Company, 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 339100323.

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