ADOPTS WITH AMENDMENTS:

International Fire Code 2015 (IFC 2015)

Part I — Administrative

Part II — General Safety Provisions

Part III — Building and Equipment Design Features

Part IV — Special Occupancies and Operations

Part V — Hazardous Materials

Part VI — Referenced Standards

Part VII — Appendices

Heads up: There are no amended sections in this chapter.
The storage and use of oxidizing materials shall be in accordance with this chapter and Chapter 50. Oxidizing gases shall also comply with Chapter 53. Oxidizing cryogenic fluids shall also comply with Chapter 55.

Exceptions:
  1. Display and storage in Group M and storage in Group S occupancies complying with Section 5003.11.
  2. Bulk oxygen systems at industrial and institutional consumer sites shall be in accordance with NFPA 55.
  3. Liquid oxygen stored or used in home health care in Group I-1, I-4 and R occupancies in accordance with Section 6306.

6301.2 Permits

AMENDMENT
This section has been amended at the state or city level.
Permits shall be required as set forth in Section 107.2.

6303.1 Quantities Not Exceeding the Maximum Allowable Quantity Per Control Area Storage and Use

AMENDMENT
This section has been amended at the state or city level.
The storage and use of oxidizing materials shall be maintained in accordance with the applicable building code.

6303.1.1 Special Limitations for Indoor Storage and Use by Occupancy

AMENDMENT
This section has been amended at the state or city level.

6303.1.1.1 Class 4 Liquid and Solid Oxidizers

AMENDMENT
This section has been amended at the state or city level.

6303.1.1.1.1 Group A, E, I or U Occupancies

AMENDMENT
This section has been amended at the state or city level.
In Group A, E, I or U occupancies, any amount of Class 4 liquid and solid oxidizers shall be stored in accordance with the following:
  1. Class 4 liquid and solid oxidizers shall be stored in hazardous materials storage cabinets complying with Section 5003.8.7.
Class 4 liquid and solid oxidizers shall not be stored or used within Group R occupancies.
Class 4 liquid and solid oxidizers shall not be stored or used in offices or retail sales areas of Group B, F, M or S occupancies.
In classrooms of Group B, F or M occupancies, any amount of Class 4 liquid and solid oxidizers shall be stored in accordance with the following:
  1. Class 4 liquid and solid oxidizers shall be stored in hazardous materials storage cabinets complying with Section 5003.8.7.
  2. Hazardous materials storage cabinets shall not contain other storage.

6303.1.1.2 Class 3 Liquid and Solid Oxidizers

AMENDMENT
This section has been amended at the state or city level.

6303.1.1.3 Oxidizing Gases

AMENDMENT
This section has been amended at the state or city level.

6303.1.2 Emergency Shutoff

AMENDMENT
This section has been amended at the state or city level.
Shutoff valves shall be maintained in accordance with the applicable building code.

6303.1.2.1 Shutoff at Source

AMENDMENT
This section has been amended at the state or city level.

6303.1.2.2 Shutoff at Point of Use

AMENDMENT
This section has been amended at the state or city level.

6303.1.3 Ignition Source Control

AMENDMENT
This section has been amended at the state or city level.
Ignition sources in areas containing oxidizing gases shall be controlled in accordance with the applicable building code.

6303.2 Class 1 Oxidizer Storage Configuration

AMENDMENT
This section has been amended at the state or city level.
The storage configuration of Class I liquid and solid oxidizers shall be as set forth in accordance with the applicable building code.

6304.1 Indoor Storage

AMENDMENT
This section has been amended at the state or city level.
Indoor storage of oxidizing materials shall be maintained in accordance with the applicable building code.

6304.1.1 Explosion Control

AMENDMENT
This section has been amended at the state or city level.
Explosion control for indoor storage rooms, areas and buildings containing Class 4 liquid or solid oxidizers shall be maintained in accordance with the applicable building code.

6304.1.2 Automatic Sprinkler System

AMENDMENT
This section has been amended at the state or city level.
The automatic sprinkler system for oxidizer storage shall be maintained in accordance with the applicable building code.

6304.1.3 Liquid-Tight Floor

AMENDMENT
This section has been amended at the state or city level.
Liquid-tight floors of storage areas for liquid and solid oxidizers shall be maintained in accordance with the applicable building code.

6304.1.4 Smoke Detection

AMENDMENT
This section has been amended at the state or city level.
Smoke detection systems shall be maintained in accordance with the applicable building code.

6304.1.5 Storage Conditions

AMENDMENT
This section has been amended at the state or city level.
The maximum quantity of oxidizers per building in storage buildings shall be maintained in accordance with the applicable building code.
In addition to the requirements in Section 5003.9.8, Class 4 oxidizer liquids and solids shall be separated from other hazardous materials by not less than a 1-hour fire barrier or stored in hazardous materials storage cabinets.
Liquid and solid oxidizers shall not be stored on or against combustible surfaces. Liquid and solid oxidizers shall be stored in a manner to prevent contamination.

6304.1.8 Detached Storage

AMENDMENT
This section has been amended at the state or city level.
Storage of liquid and solid oxidizers shall be in detached buildings where required by the applicable building code.
Detached storage buildings for Class 4 oxidizer liquids and solids shall be located not less than 50 feet (15 240 mm) from other hazardous materials storage.
Outdoor storage of oxidizing materials in amounts exceeding the maximum allowable quantities per control area set forth in Table 5003.1.1(3) shall be in accordance with Sections 5001, 5003, 5004 and this chapter. Oxidizing gases shall also comply with Chapter 53.
Outdoor storage areas for oxidizing gases shall be located in accordance with Table 6304.2.1.

TABLE 6304.2.1
OXIDIZER GASES—DISTANCE FROM STORAGE TO EXPOSURESa
QUANTITY OF GAS STORED
(cubic feet at NTP)
DISTANCE TO A BUILDING NOT ASSOCIATED WITH THE
MANUFACTURE OR DISTRIBUTION OF OXIDIZING GASES OR
PUBLIC WAY OR LOT LINE THAT CAN BE BUILT UPON (feet)
DISTANCE BETWEEN STORAGE AREAS (feet)
0 — 50,000 5 5
50,001 — 100,000 10 10
100,001 or greater 15 10

For SI: 1 foot = 304.8 mm, 1 cubic foot = 0.02832 m3.
  1. The minimum required distances shall not apply where fire barriers without openings or penetrations having a minimum fire-resistance rating of 2 hours interrupt the line of sight between the storage and the exposure. The configuration of the fire barrier shall be designed to allow natural ventilation to prevent the accumulation of hazardous gas concentrations.
Outdoor storage areas for oxidizing cryogenic fluids shall be located in accordance with Chapter 55.

6304.2.2 Storage Configuration for Liquid and Solid Oxidizers

AMENDMENT
This section has been amended at the state or city level.
Storage configuration for liquid and solid oxidizers shall be in accordance with the applicable building code.
Storage configuration for oxidizing gases shall be in accordance with Table 6304.2.1.

6305.1 Scope

AMENDMENT
This section has been amended at the state or city level.
The use of oxidizers shall be in accordance with the applicable building code.
The storage and use of liquid oxygen (LOX) in home health care in Group I-1, I-4 and R occupancies shall comply with Sections 6306.2 through 6306.6, or shall be stored and used accordance with Chapter 50.
The seller of liquid oxygen shall provide the user with information in written form that includes, but is not limited to, the following:
  1. Manufacturer's instructions and labeling for safe storage and use of the containers.
  2. Locating containers away from ignition sources, exits, electrical hazards and high-temperature devices in accordance with Section 6306.3.3.
  3. Restraint of containers to prevent falling in accordance with Section 6306.3.4.
  4. Requirements for handling containers in accordance with Section 6306.3.5.
  5. Safeguards for refilling containers in accordance with Section 6306.3.6.
  6. Signage requirements in accordance with Section 6306.6.
Containers of liquid oxygen in home health care shall be in accordance with Sections 6306.3.1 through 6306.3.6.
Liquid oxygen home care containers shall not exceed an individual capacity of 15.8 gallons (60 L) in Group I-1, I-4 and R occupancies. Liquid oxygen ambulatory containers are allowed in Group I-1, I-4 and R occupancies. Containers of liquid oxygen in home health care shall also be stored, used and filled in accordance with Section 6306 and Sections 5503.1 and 5503.2.
Containers shall be stored, used and operated in accordance with the manufacturer's instructions and labeling.
Containers shall not be located in areas where any of the following conditions exist:
  1. They can be overturned due to operation of a door.
  2. They are in the direct path of egress.
  3. They are subject to falling objects.
  4. They can become part of an electrical circuit.
  5. Open flames and high-temperature devices can cause a hazard.
Liquid oxygen home care containers shall be restrained while in storage or use to prevent falling caused by contact, vibration or seismic activity. Containers shall be restrained by one of the following methods:
  1. Restraining containers to a fixed object with one or more restraints.
  2. Restraining containers within a framework, stand or assembly designed to secure the container.
  3. Restraining containers by locating a container against two points of contact such as the walls of a corner of a room or a wall and a secure furnishing or object such as a desk.
Containers shall be handled by use of a cart or hand truck designed for such use.

Exceptions:
  1. Liquid oxygen home care containers equipped with a roller base.
  2. Liquid oxygen ambulatory containers are allowed to be hand carried.
The filling of containers shall be in accordance with Sections 6306.3.6.1 through 6306.3.6.3.
Liquid oxygen home care containers and ambulatory containers shall be filled outdoors.

Exception: Liquid oxygen ambulatory containers are allowed to be filled indoors where the supply container is specifically designed for filling such containers and written instructions are provided by the container manufacturer.
A drip pan compatible with liquid oxygen shall be provided under home care container fill and vent connections during the filling process in order to protect against liquid oxygen spillage from coming into contact with combustible surfaces, including asphalt.
The use of open flames and high-temperature devices shall be in accordance with Section 5003.7.2.

6306.4 Maximum Aggregate Quantity

AMENDMENT
This section has been amended at the state or city level.
The maximum aggregate quantity of liquid oxygen allowed in storage and in use in each dwelling unit shall be maintained in accordance with the applicable building code.
Smoking shall be prohibited in rooms or areas where liquid oxygen is in use.
Warning signs for occupancies using home health care liquid oxygen shall be in accordance with Sections 6306.6.1 and 6306.6.2.
A sign stating "OXYGEN—NO SMOKING" shall be posted in each room or area where liquid oxygen containers are stored, used or filled.
Where required by the fire code official, each dwelling unit or sleeping unit shall have an approved sign indicating that the unit contains liquid oxygen home care containers.
Where required by the fire code official, the liquid oxygen seller shall notify the fire department of the locations of liquid oxygen home care containers.
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