// CODE SNIPPET
1406.2.1 Portable Liquid Oxygen Containers
JUMP TO FULL CODE CHAPTER
The storage, handling and use of portable liquid oxygen containers shall be in accordance with FC 1406.2.1.1 through 1406.2.1.9.
A sketch showing the following information shall be submitted to the department for approval in connection with an application for a permit for oxygen storage:
- Number and size of containers.
- Enclosure, manifold and service piping construction.
- Location of risers and outlets.
- Location of all equipment and devices including vaporizers, valves and safety relief devices.
The room used for the storage, handling and use of a liquid oxygen container shall be equipped with ventilation direct to the outdoors, and shall not contain any combustible material or flammable gas.
Manifolds and vaporizers shall be constructed of materials suitable for oxygen service at a pressure of 250 psig (1724 kPa). Such manifolds and vaporizers shall have a minimum bursting pressure of 1,000 psig (6895 kPa) and shall be protected with safety relief devices which will relieve at or below 500 psig (3448 kPa).
The assembled vaporizer and manifold shall be pressure tested at 500 psig (3448 kPa) with an oil-free and nonflammable material as the testing medium.
Service piping from the oxygen manifold shall be copper tubing, stainless steel, wrought iron or steel, and shall run vertically outdoors to the floor or floors being serviced, where outlets may be provided for hose connections to approved torches. The service piping shall be properly secured, protected from damage from mechanical injury and properly labeled. Any connection between service piping and the manifold shall be made using not more than 5 feet (1524 mm) of hose capable of withstanding pressure up to at least 1,000 psig (6895 kPa).
Service piping shall be suitable for 250 psig (1724 kPa) service unless an intervening pressure regulator is provided at the manifold, and shall withstand a test of two times the maximum operating pressure, using an oil-free and nonflammable material as the testing medium.
Hose and connectors capable of withstanding pressure up to at least 1,000 psig (6895 kPa) and of a design suitable for oxygen service at a pressure of 250 psig (1724 kPa) shall be used to connect the outlets on the service piping to the blowpipes. Hose shall be rejected for use if it shows excessive wear, loose connections, leaks or burns; hose subjected to a flash back in use shall be tested to twice the service pressure, but not less than 200 psig (1379 kPa), before being returned to service.
Signs shall be posted in the vicinity of liquid oxygen container storage and use, reading: DANGER-LIQUID OXYGEN-NO SMOKING-NO OPEN FLAMES.
Legible operating instructions shall be posted near any liquid oxygen manifold.
An affidavit shall be provided by the installer and/or contractor to certify that the vaporizer, valves, piping, hose and safety devices are of an approved type, that they meet the specifications for bursting test and design pressure, and that they have been satisfactorily tested in accordance with this section.
Related Code Sections
Section 1001 Boilers, Water Heaters and Pressure Vessels, General
Commerce Commission containers.
Containers for bulk oxygen and medical gas.
Unfired pressure vessels having a volume of 5 cubic feet (0.14 m 3 ...
101.2.4 Administration, Systems and Equipment Outside the Scope
This code shall not apply to the following: 1. Portable LP-gas equipment of all types that is not connected to a fixed fuel piping ...
NYC Fuel Gas Code 2008 > 1 Administration > 101 General > 101.2 Scope > 101.2.4 Systems and Equipment Outside the Scope
101.2.4 Administration, Systems and Equipment Outside the Scope
This code shall not apply to the following: Portable LP-gas appliances and equipment of all types that are not connected to a fixed fuel piping ...
NYC Fuel Gas Code 2014 > 1 Administration > 101 General > 101.2 Scope > 101.2.4 Systems and Equipment Outside the Scope
1001.1 Boilers, Water Heaters and Pressure Vessels, Scope
Commission containers. Containers for bulk oxygen and medical gas. Unfired pressure vessels having a volume of 5 cubic feet (0.14 m 3 ) or less ...
NYC Mechanical Code 2014 > 10 Boilers, Water Heaters and Pressure Vessels > 1001 General > 1001.1 Scope
Section 1203 Special Piping and Storage Systems, Oxygen Systems
Nonmedical oxygen systems shall be designed and installed in accordance with NFPA 50 and NFPA 51 ...