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Virginia Administrative Code
Title 13. Housing
Agency 5. Department Of Housing And Community Development
Chapter 51. Virginia Statewide Fire Prevention Code
9/28/2021

13VAC5-51-154.4. IFC Chapter 63 Oxidizers, Oxidizing Gases and Oxidizing Cryogenic Fluids.

A. Change Section 6301.2 to read:

6301.2 Permits. Permits shall be required as set forth in Section 107.2.

B. Change Section 6303.1 to read:

6303.1 Quantities not exceeding the maximum allowable quantity per control area. The storage and use of oxidizing materials in amounts not exceeding the maximum allowable quantity per control area indicated in Section 5003.1 shall be maintained in accordance with Sections 5001, 5003, 6301, and 6303. Oxidizing gases shall also comply with Chapter 53.

C. Change Sections 6303.1.1 and 6303.1.1.1 to read:

6303.1.1 Special limitations for indoor storage and use by occupancy. The indoor storage and use of oxidizing materials shall be in accordance with Sections 6303.1.1.1 through 6303.1.1.3.

6303.1.1.1 Class 4 liquid and solid oxidizers. The storage and use of Class 4 liquid and solid oxidizers shall comply with Sections 6303.1.1.1.1 through 6303.1.1.1.4.

D. Change Section 6303.1.1.1.1 to read:

6303.1.1.1.1 Group A, E, I or U occupancies. Unless otherwise approved by the applicable building code, 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.

2. The hazardous materials storage cabinets shall not contain other storage.

E. Change Sections 6303.1.1.2 and 6303.1.1.3 to read:

6303.1.1.2 Class 3 liquid and solid oxidizers. Unless otherwise approved by the applicable building code, a maximum of 200 pounds (91 kg) of solid or 20 gallons (76 L) of liquid Class 3 oxidizer is allowed in Group I occupancies when such materials are necessary for maintenance purposes or operation of equipment. The oxidizers shall be stored in approved containers and in an approved manner.

6303.1.1.3 Oxidizing gases. Except for cylinders of nonliquefied compressed gases not exceeding a capacity of 250 cubic feet (7 m3) or liquefied compressed gases not exceeding a capacity of 46 pounds (21 kg) each used for maintenance purposes, patient care or operation of equipment, oxidizing gases shall not be stored or used in Group A, E, I, or R occupancies or in offices in Group B occupancies.

The aggregate quantities of gases used for maintenance purposes and operation of equipment shall not exceed the maximum allowable quantity per control area listed in the applicable building code.

Medical gas systems and medical gas supply cylinders shall also be in accordance with Section 5306.

F. Change Section 6303.1.2 to read:

6303.1.2 Emergency shutoff. Compressed gas systems conveying oxidizing gases with manual or automatic emergency shutoff valves in accordance with the applicable building code shall be maintained and be accessible to be activated at each point of use and at each source.

G. Delete Sections 6303.1.2.1 and 6303.1.2.2.

H. Change Sections 6303.1.3 and 6303.2 to read:

6303.1.3 Ignition source control. Ignition sources in areas containing oxidizing gases shall be controlled in accordance with Section 5003.7.

6303.2 Class 1 oxidizer storage configuration. The outdoor storage configuration of Class I liquid and solid oxidizers shall be as set forth in Table 6303.2, indoor storage shall be in accordance with the applicable building code.

I. Change the title of Table 6303.2 to OUTDOOR STORAGE OF CLASS 1 OXIDIZER LIQUIDS AND SOLIDS.

J. Change Sections 6304.1 through 6304.1.5 to read:

6304.1 Indoor storage. Indoor storage of oxidizing materials in amounts exceeding the maximum allowable quantity per control area indicated in the applicable building code shall be maintained in accordance with Sections 5001, 5003, and 5004 and this chapter and comply with the applicable building code.

6304.1.1 Explosion control. Explosion control for indoor storage rooms, areas and buildings containing Class 4 liquid or solid oxidizers shall be maintained in accordance with Chapter 9.

6304.1.2 Automatic sprinkler system. The automatic sprinkler system for oxidizer storage shall be maintained in accordance with Chapter 9.

6304.1.3 Liquid-tight floor. In addition to Section 5004.12, liquid-tight floors of storage areas for liquid and solid oxidizers shall be maintained.

6304.1.4 Smoke detection. Smoke detection systems shall be maintained in accordance with Chapter 9.

6304.1.5 Storage conditions. The maximum quantity of oxidizers per building in storage buildings shall not exceed those quantities set forth in the applicable building code. The storage configuration for liquid and solid oxidizers shall be as set forth in the applicable building code. Class 2 oxidizers shall not be stored in basements unless approved by the applicable building code. Class 3 and 4 oxidizers in amounts exceeding the maximum allowable quantity per control area set forth in 5003.1, shall be stored on the ground floor only unless otherwise approved by the applicable building code.

K. Delete Tables 6304.1.5(1), 6304.1.5(2), and 6304.1.5(3).

L. Change Section 6304.1.8 to read:

6304.1.8 Detached storage. Storage of liquid and solid oxidizers shall be in detached buildings where required by the applicable building code.

M. Change Section 6304.2.2 and change the title of Tables 6304.2.2(1), 6304.2.2(2), and 6304.2.2(3) to read:

6304.2.2 Storage configuration for liquid and solid oxidizers. Storage configuration for liquid and solid oxidizers shall be maintained in accordance with Table 6303.2 and Tables 6304.1.5(1) through 6304.1.5(3) and comply with the applicable building code.

Table 6304.2.2(1) OUTDOOR STORAGE OF CLASS 2 OXIDIZER LIQUIDS AND SOLIDS.

Table 6304.2.2(2) OUTDOOR STORAGE OF CLASS 3 OXIDIZER LIQUIDS AND SOLIDS.

Table 6304.2.2(3) OUTDOOR STORAGE OF CLASS 4 OXIDIZER LIQUIDS AND SOLIDS.

N. Change Sections 6305.1 and 6306.4 to read:

6305.1 Scope. The use of oxidizers in amounts exceeding the maximum allowable quantity per control area indicated in Table 5003.1.1(1) or Table 5003.1.1(3) shall be maintained in accordance with Sections 5001, 5003, and 5005 and this chapter and comply with the applicable building code. Oxidizing gases shall also comply with Chapter 53.

6306.4 Maximum aggregate quantity. The maximum aggregate quantity of liquid oxygen allowed in storage and in use in each dwelling unit shall be 31.6 gallons (120 L).

Exceptions:

1. The maximum aggregate quantity of liquid oxygen allowed in Group I-4 occupancies shall be limited by the maximum allowable quantity set forth in the applicable building code.

2. Where individual sleeping rooms are separated from the remainder of the dwelling unit by fire-resistant rated assemblies constructed in accordance with the applicable building code, the maximum aggregate quantity per dwelling unit shall be increased to allow a maximum of 31.6 gallons (120 L) of liquid oxygen per sleeping room.

Statutory Authority

§ 27-97 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 30, Issue 16, eff. July 14, 2014; amended, Virginia Register Volume 34, Issue 18, eff. October 16, 2018; Volume 37, Issue 14, eff. July 1, 2021.

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