OSHA Inspection: GRAY MATTER HOLDINGS INC.

Issued

Oct 27, 2023

Abate by

Dec 15, 2023

Penalty

Initial $2,678 · Current $2,678

General-duty citation text

29 CFR 1910.157(c)(1): Portable fire extinguishers were not mounted, located and identified so that they were readily accessible without subjecting the employees to injuries:  a) On or about July 25, 2023, technicians maintaining "Asic miners" in the mine are exposed to fire hazards due to arc flashes within the electrical systems of the PDU's (power distribution units) and PSU's (power supply units); the employer did not ensure the portable fire extinguishers were mounted and identified to be readily accessible within the mine.

Issued

Oct 27, 2023

Abate by

Dec 15, 2023

Penalty

Initial $0 · Current $0

General-duty citation text

29 CFR  1910.157(g)(1):An educational program was not provided for all employees to familiarize them with the general principles of fire extinguisher use and the hazards involved with incipient stage fire fighting:  a) On or about July 25, 2023, where technicians maintaining "Asic miners" in the mine are exposed to fire hazards due to arc flashes within the electrical systems of the PDU's (power distribution units) and PSU's (power supply units) and are expected to utilizer fire extinguishers in the event of a fire; the employer did not ensure an educational program was provided for all employees to familiarize them with portable fire extinguishers.

Issued

Oct 27, 2023

Abate by

Dec 15, 2023

Penalty

Initial $3,572 · Current $3,572

General-duty citation text

29 CFR 1910.303(b)(7)(i): Unused openings in boxes, raceways, auxiliary gutters, cabinets, equipment cases, or housings shall be effectively closed to afford protection substantially equivalent to the wall of the equipment:  a) On or about July 25, 2023, technicians working on the "data miners" in the mine were exposed to 415-volt electrical shock and ARC flash hazards while disconnecting the "data miners" from the PDU's for maintenance; the employer did not ensure all unused openings on the 415-volt PDU's were effectively closed to afford protection equivalent to the wall of the equipment.

Issued

Oct 27, 2023

Abate by

Dec 15, 2023

Penalty

Initial $4,465 · Current $4,465

General-duty citation text

29 CFR 1910.303(h)(2)(iii)(A): The installations shall be made with metal-enclosed equipment or shall be enclosed in a vault or in an area to which access is controlled by a lock;  a) On or about July 25, 2023, technicians inspecting the mine were exposed to electrical shock and arc flash hazards due to the vaults not being controlled by a lock; the employer did not ensure the vault were locked to other than qualified persons exposing technicians to electrical shock and arc flash hazards.

Issued

Oct 27, 2023

Abate by

Dec 15, 2023

Penalty

Initial $4,465 · Current $4,465

General-duty citation text

29 CFR  1910.335(a)(1)(i): Employees working in areas where there were potential electrical hazards were not using electrical protective equipment that was appropriate for the specific parts of the body to be protected and for the work to be performed:  a) On or about July 14, 2023, technicians energizing/de-energizing the 12,470-volt main switchgear using the load interrupter switch or resetting the breaker panel were exposed to an electrical shock and arc flash hazard to their face and body; the employer did not ensure the use of electrical protective equipment for technicians face and body while energizing/de-energizing the 12.470-volt main switchgear and resetting the breaker panel.