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 unstable (reactive) materials shall be in accordance with this chapter. Compressed gases shall also comply with Chapter 53.

Exceptions:
  1. Display and storage in Group M and storage in Group S occupancies complying with Section 5003.11.
  2. Detonable unstable (reactive) materials shall be stored in accordance with Chapter 56.

6601.2 Permits

AMENDMENT
This section has been amended at the state or city level.
Permits shall be required as set forth in Section 107.2.
The following term is defined in Chapter 2:

UNSTABLE (REACTIVE) MATERIAL.

Class 4.

Class 3.

Class 2.

Class 1.

6603.1 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.
Quantities of unstable (reactive) materials not exceeding the maximum allowable quantity per control area shall be maintained in accordance with the applicable building code.

6603.1.1 General

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

6603.1.2 Limitations for Indoor Storage and Use by Occupancy

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

6603.1.2.1 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 Classes 3 and 4 unstable (reactive) materials shall be stored in accordance with the applicable building code.
Class 3 and 4 unstable (reactive) materials shall not be stored or used within Group R occupancies.
Class 4 unstable (reactive) materials shall not be stored or used in retail sales portions of Group M occupancies.
Class 3 and 4 unstable (reactive) materials shall not be stored or used in offices of Group B, F, M or S occupancies.
In classrooms in Group B, F or M occupancies, any amount of Class 3 and 4 unstable (reactive) materials shall be stored in accordance with the following:
  1. Class 3 and 4 unstable (reactive) materials shall be stored in hazardous material storage cabinets complying with Section 5003.8.7.
  2. The hazardous material storage cabinets shall not contain other storage.
The storage and use of unstable (reactive) materials in amounts exceeding the maximum allowable quantity per control area indicated in Section 5003.1 shall be in accordance with Chapter 50 and this chapter.

6604.1 Indoor Storage

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

6604.1.1 Detached Storage

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

6604.1.2 Explosion Control

AMENDMENT
This section has been amended at the state or city level.
Explosion control for indoor storage shall be maintained in accordance with the applicable building code.

6604.1.3 Liquid-Tight Floor

AMENDMENT
This section has been amended at the state or city level.
Liquid-tight floors of storage areas shall be maintained in accordance with the applicable building code.
Unstable (reactive) materials stored in quantities greater than 500 cubic feet (14 m3) shall be separated into piles, each not larger than 500 cubic feet (14 m3). Aisle width shall not be less than the height of the piles or 4 feet (1219 mm), whichever is greater.

Exception: Materials stored in tanks.

6604.1.5 Location in Building

AMENDMENT
This section has been amended at the state or city level.
Unstable (reactive) materials shall not be stored in basements unless approved.
Outdoor storage of unstable (reactive) materials in amounts exceeding the maximum allowable quantities per control area indicated in Table 5003.1.1(3) shall be in accordance with Sections 5001, 5003, 5004 and this chapter.
Outdoor storage of Class 4 or 3 (detonable) unstable (reactive) material shall be in accordance with Table 5604.5.2(2). The number of pounds of material listed in the table shall be the net weight of the material present. Alternatively, the number of pounds of material shall be based on a trinitrotoluene (TNT) equivalent weight.
Outdoor storage of deflagratable Class 3 unstable (reactive) materials shall be in accordance with Table 5604.5.2(3). The number of pounds of material listed shall be the net weight of the material present.
Outdoor storage of Class 2 or 1 unstable (reactive) materials shall not be located within 20 feet (6096 mm) of buildings not associated with the manufacture or distribution of such materials, lot lines, public streets, public alleys, public ways or means of egress. The minimum required distance shall not apply when 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 fire barrier shall either be an independent structure or the exterior wall of the building adjacent to the storage area.
Piles of unstable (reactive) materials shall not exceed 1,000 cubic feet (28 m3).
Aisle widths between piles shall not be less than one-half the height of the pile or 10 feet (3048 mm), whichever is greater.
The use of unstable (reactive) materials in amounts exceeding the maximum allowable quantity per control area indicated in Table 5003.1.1(1) or 5003.1.1(3) shall be in accordance with Sections 5001, 5003, 5005 and this chapter.
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