Safety Incidents OSHA Severe Injury Reports · 2015–2025
4,113,118Inspections Most recent open 2026-07-13 Last loaded 2026-07-17

OSHA Inspection: DIAMOND PLUMBING & HEATING, LLC

Federal Agency inspection · Safety discipline

On , OSHA opened a federal Agency safety inspection of DIAMOND PLUMBING & HEATING, LLC in 7 HAMILTON COURT, NORWICH, CT 06360 (NAICS 238220). OSHA activity number 348312281.

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Site address
7 HAMILTON COURT
City
NORWICH
State
CT
ZIP
06360
Mailing
131 FRANKLIN STREET, NORWICH, CT 06360
Inspection type
Federal Agency (M)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Last modified
Data loaded
NAICS code
238220
Employees
1
Ownership type
A

5 citations on file for this inspection.

1926.600 A06 I

Serious Gravity 10 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $9268.00 · Current $7500.00 Reduced
29 CFR  1926.600(a)(6)(i): For lines rated 50kV or below, a minimum of 10 feet was not maintained between the energized line and the equipment.  Residential Sewer Connection Project, 7 Hamilton Court, Norwich, CT:  On June 13, 2025, the employer did not ensure the employee was protected from electrical hazards leading to electrical shock, burns, and electrocution when the employer operated the Kubota Excavator Model# KX 057-4 near a 120/240-volt residential powerline while the employee was performing sewer pipe installation/laborer activities.
Recent events (2)
  • — I (S) $7500
  • — Z (S) $9268

1926.651 C02

Serious Gravity 10 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $9268.00 · Current $7500.00 Reduced
29 CFR  1926.651(c)(2): A stairway, ladder, ramp or other safe means of egress was not located in trench excavations that were 4 feet (1.22m) or more in depth so as to require no more than 25 feet (7.62m) of lateral travel for employees:  Residential Sewer Connection Project, 7 Hamilton Court, Norwich, CT:  On June 13, 2025, the employer did not ensure the employee was provided a stairway, ladder, or ramps for a safe means of egress to be protected from cave-in, struck-by, and atmospheric hazards while working between 4 feet 10 inches to 5 feet 4 inches deep trench performing sewer pipe installation/laborer activities, resulting in fatal injuries
Recent events (2)
  • — I (S) $7500
  • — Z (S) $9268

1926.651 K01

Willful Gravity 10 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $92688.00 · Current $15000.00 Reduced
29 CFR  1926.651(k)(1): An inspection of the excavations, the adjacent areas, and protective systems was not conducted by the competent person prior to the start of work and as needed throughout the shift:  Residential Sewer Connection Project, 7 Hamilton Court, Norwich, CT:  On June 13, 2025, the employer, as the competent person, did not ensure the trench and adjacent areas were inspected prior to the start of work and as needed during the work, exposing the employee to trench and excavation hazards, resulting in fatal injuries.
Recent events (2)
  • — I (W) $15000
  • — Z (W) $92688

1926.651 J02

Willful Gravity 10 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $92688.00 · Current $15000.00 Reduced
29 CFR  1926.651(j)(2): Protection was not provided by placing and keeping excavated or other materials or equipment at least 2 feet (.61m) from the edge of excavations, or by the use of retaining devices that were sufficient to prevent materials or equipment from falling or rolling into excavations, or by a combination of both if necessary.  Residential Sewer Connection Project, 7 Hamilton Court, Norwich, CT:  On June 13, 2025, an employee was fatally injured where the employer did not ensure spoil piles were placed at least two feet from the edge of the trench. The employee, working in between 4 feet 10 inches to 5 feet 4 inches deep trench with vertical walls, was exposed to struck-by, and cave-in hazards posed by debris falling rolling into it and/or the walls collapsing due to the surcharge load on its edge.
Recent events (2)
  • — I (W) $15000
  • — Z (W) $92688

1926.652 A01

Willful Gravity 10 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $92688.00 · Current $15000.00 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 29 CFR 1926.652 (b) or (c).   Residential Sewer Connection Project, 7 Hamilton Court, Norwich, CT:  On June 13, 2025, an employee was fatally injured when the unprotected trench with vertical walls that was greater than 5 feet deep, caved in on top of him.
Recent events (2)
  • — I (W) $15000
  • — Z (W) $92688

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 348312281.