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

OSHA Inspection: MATT MERTZ PLUMBING INC.

Planned inspection · Safety discipline

On , OSHA opened a planned safety inspection of MATT MERTZ PLUMBING INC. in 5839 PIERCE STREET, PITTSBURGH, PA 15232 (NAICS 237110). OSHA activity number 345393847.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
5839 PIERCE STREET
City
PITTSBURGH
State
PA
ZIP
15232
Mailing
4693 PEOPLES ROAD, PITTSBURGH, PA 15237
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
237110
Employees
2
Ownership type
A

2 citations on file for this inspection.

1926.652 D02

Other-than-serious Gravity 10 1 instance 1 exposed
Issued
Aug 20, 2021
Penalty
Initial $4,096 · Current $2,100 Reduced
29 CFR  1926.652(d)(2): Manufactured materials and equipment used for protective systems were not used and maintained in a manner that was consistent with the recommendations of the manufacturer:  (a) Job site, 5839 Pierce Street, Pittsburgh, PA: On or about June 30th 2021 employees were not protected from cave in hazards while using an Ultra Shore S Series trench box. The box was being used in an excavation that was approximately 16 feet in depth, while the tabulated data for this particular box states :  In no case can the "S" series shield be used in excavations exceeding 12 feet in depth without conducting the proper earth pressure calculations.
Recent events (3)
  • — F (O) $2100
  • — C (S) $4096
  • — Z (S) $4096

1926.652 G01 II

Deleted Serious Gravity 5 1 instance 1 exposed
Issued
Aug 20, 2021
Penalty
Initial $0 · Current $0
29 CFR  1926.652(g)(1)(ii):Shields were not installed in a manner to restrict lateral or other hazardous movement of the shield in the event of the application of sudden lateral loads:  (a) Job site, 5839 Pierce Street, Pittsburgh, PA: On or about June 30th 2021 employees were not protected from cave in hazards while using an Ultra Shore S Series trench box. The box was being used in an excavation that was approximately 16 feet in depth, the box was not supported in order to prevent any inadvertent  lateral movement  of the trench box.
Recent events (3)
  • — F (S) $0
  • — C (S) $0
  • — Z (S) $0

View Matt Mertz Plumbing 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 345393847.

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