Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,214Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

OSHA Inspection: MAST-R-BUILDERS

Planned inspection · Safety discipline

On , OSHA opened a planned safety inspection of MAST-R-BUILDERS in 730 15TH STREET, PRAIRIE DU SAC, WI 53578 (NAICS 238130). OSHA activity number 339189177.

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Establishment
MAST-R-BUILDERS
Site address
730 15TH STREET
City
PRAIRIE DU SAC
State
WI
ZIP
53578
Mailing
E4086 TUCKERTOWN ROAD, LOGANVILLE, WI 53943
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
238130
Employees
4
Ownership type
A

2 citations on file for this inspection.

1926.501 B02 I

Serious Gravity 10 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $2800.00 · Current $1800.00 Reduced
29 CFR 1926.501(b)(2)(i): Each employee who was constructing a leading edge 6 feet or more above lower levels was not protected from falling by guardrail systems, safety net systems, or personal fall arrest systems:Note:  If the employer could demonstrate that it was infeasible or created a greater hazard to use these systems, a fall protection plan meeting the requirements of paragraph (k) of 1926.502 should have been developed and implemented.    On or about July 15, 2013, employees working from a commercial roof installing sheathing at a height greater than six feet were doing so without fall protection.
Recent events (2)
  • — I (S) $1800
  • — Z (S) $2800

1926.503 A02 VIII

Serious Gravity 5 1 instance 3 exposed
Issued
Abate by
Penalty
Initial $2000.00 · Current $1000.00 Reduced
29 CFR 1926.503(a)(2)(viii): The employer did not assure that each employee had been trained by a competent person qualified in the standards contained in subpart M:    The employees on site were not familiar with the OSHA fall protection standards and the requirements held within.
Recent events (2)
  • — I (S) $1000
  • — Z (S) $2000

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 339189177.