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A bulk oxygen system is an assembly of equipment, such as oxygen storage containers, pressure regulators, safety devices, vaporizers, manifolds, and interconnecting piping, which has storage capacity of:

  • More than 13,000 cubic feet of oxygen connected in service or ready for service, or
  • More than 25,000 cubic feet of oxygen including unconnected reserves on hand. These quantities are maintained at normal temperature and pressure (NTP).
With the presence of oxygen, there is the hazard of combustion. Systems must be located such that they are not near combustible or flammable material. The components of the systems must be constructed to operate safely for its intended application, complete with safety devices. A warning sign to indicate that no smoking or open flames are allowed must be permanently posted.

Scope

This section applies to the installation of bulk oxygen systems on industrial and institutional consumer premises. This section does not apply to oxygen manufacturing plants or other establishments operated by the oxygen supplier or his agent for the purpose of storing oxygen and refilling portable containers, trailers, mobile supply trucks, or tank cars, nor to systems having capacities less than those stated in 1910.104(b)(1).

Regulatory citations

Key definitions

  • Bulk oxygen system: A bulk oxygen system is an assembly of equipment, such as oxygen storage containers, pressure regulators, safety devices, vaporizers, manifolds, and interconnecting piping, which has storage capacity of more than 13,000 cubic feet of oxygen, Normal Temperature and Pressure (NTP), connected in service or ready for service, or more than 25,000 cubic feet of oxygen (NTP) including unconnected reserves on hand at the site. The bulk oxygen system terminates at the point where oxygen at service pressure first enters the supply line. The oxygen containers may be stationary or movable, and the oxygen may be stored as gas or liquid.

Summary of requirements

Employers with bulk oxygen systems must:

  • Ensure the systems are located in an appropriate area. Bulk oxygen storage systems shall be located above ground out of doors, or shall be installed in a building of noncombustible construction, adequately vented, and used for that purpose exclusively. The location selected shall be such that containers and associated equipment shall not be exposed by electric power lines, flammable or combustible liquid lines, or flammable gas lines.
  • Ensure separation of systems and exposures as outlined in 1910.104.
  • Equip containers with safety relief devices.
  • Maintain equipment in safe condition.
READ MORESHOW LESS
['Hazardous Materials Safety - OSHA']
['Compressed Gases', 'Oxygen']
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