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

OSHA Inspection: Z4 CORPORATION

Special Programs inspection · Safety discipline

On , OSHA opened a special Programs safety inspection of Z4 CORPORATION in TWO STORY COMMERCIAL BUILDING PROJECT MARINE CORPS DRIVE, TAMUNING, GU 96913 (NAICS 238190). OSHA activity number 340237296.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Establishment
Z4 CORPORATION
Site address
TWO STORY COMMERCIAL BUILDING PROJECT MARINE CORPS DRIVE
City
TAMUNING
State
GU
ZIP
96913
Mailing
PO BOX 23543, BARRIGADA, GU 96921
Inspection type
Special Programs (K)
Scope
Complete (A)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238190
Employees
8
Ownership type
A

2 citations on file for this inspection.

1926.95 A

Serious Gravity 1 1 instance 1 exposed
Issued
Mar 16, 2015
Penalty
Initial $867 · Current $607 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, used, and maintained in a sanitary and reliable condition wherever it was necessary by reason of hazards of processes or environment, chemical hazards, radiological hazards, or mechanical irritants encountered in a manner capable of causing injury or impairment in the function of any part of the body through absorption, inhalation or physical contact:    a. On February 2, 2015, near the cliff side of the project, the seat belt was not worn while operating a 416 F Caterpillar backhoe.
Recent events (2)
  • — I (S) $606.9
  • — Z (S) $867

1926.652 A01

Serious Gravity 5 1 instance 2 exposed
Issued
Mar 16, 2015
Abate by
Mar 24, 2015
Penalty
Initial $2,040 · Current $1,428 Reduced
29 CFR 1926.652(a)(1):Each employee in an excavation was not protected from cave-ins by an adequate protective system designed in accordance with paragraph (b) or (c) of this section:    a. On February 2, 2015, near the center of the project, employees worked in an 8 foot deep by 4 foot wide by 33 foot long trench between a nearly vertical soil face of Type C soil and vertical formwork that was about 6 feet high without a protective system.
Recent events (2)
  • — I (S) $1428
  • — Z (S) $2040

View Z4 Corporation'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 340237296.

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