ADOPTS WITH AMENDMENTS:

International Fire Code 2018 (IFC 2018)

Heads up: There are no amended sections in this chapter.
The storage and use of pyrophoric materials shall be in accordance with this chapter. Compressed gases shall also comply with Chapter 53.
Permits shall be required as set forth in Section 107.2.

The following term is defined in Chapter 2:

PYROPHORIC. 

The storage and use of pyrophoric 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, 6401 and 6403.
Manual or automatic emergency shutoff valves for compressed gas systems conveying pyrophoric gases shall be maintained and be accessible to be activated at each point of use and at each source in accordance with the applicable building code.
The storage and use of pyrophoric materials in amounts exceeding the maximum allowable quantity per control area indicated in Section 5003.1 shall be maintained in accordance with Chapter 50, this chapter. and comply with the applicable building code.
Indoor storage of pyrophoric materials in amounts exceeding the maximum allowable quantity per control area indicated in the applicable building code, shall be in accordance with Sections 5001, 5003 and 5004, this chapter and comply with the applicable building code. The storage of silane gas, and gas mixtures with a silane concentration of 1.37 percent or more by volume, shall be maintained in accordance with CGA G-13.
In addition to the requirements of Section 5004.12, liquid-tight floors shall be maintained in accordance with the applicable building code.

Unless otherwise approved by the applicable building code, storage of pyrophoric solids and liquids shall be limited to the following:

  1. A maximum area of 100 square feet (9.3 m2) per pile. Storage shall not exceed 5 feet (1524 mm) in height. Individual containers shall not be stacked.
  2. Aisles between storage piles shall be a minimum of 10 feet (3048 mm) in width.
  3. Individual tanks or containers shall not exceed 500 gallons (1893 L) in capacity.
Storage of pyrophoric gases shall be in detached buildings when required by the applicable building code.

In addition to the requirements of Section 5003.9.8, indoor storage of pyrophoric materials shall be isolated from incompatible hazardous materials in accordance with the applicable building code. Fire-resistance-rated construction and openings shall be maintained in accordance with Chapter 7.

Exception: Storage in approved hazardous materials storage cabinets constructed in accordance with Section 5003.8.7.

Outdoor storage of pyrophoric materials in amounts exceeding the maximum allowable quantity per control area indicated in Table 5003.1.1(3) shall be in accordance with Sections 5001, 5003 and 5004, and this chapter.

The storage of silane gas, and gas mixtures with a silane concentration of 1.37 percent or more by volume, shall be in accordance with ANSI/CGA G-13.

The separation of pyrophoric solids, liquids and gases from buildings, lot lines, public streets, public alleys, public ways or means of egress shall be in accordance with the following:

  1. Solids and liquids. Two times the separation required by Chapter 57 for Class IB flammable liquids.
  2. Gases. The location and maximum amount of pyrophoric gas per storage area shall be in accordance with Table 6404.2.1.

TABLE 6404.2.1

PYROPHORIC GASES—DISTANCE FROM STORAGE TO EXPOSURESa

MAXIMUM AMOUNT PER STORAGE AREA (cubic feet) MINIMUM DISTANCE BETWEEN STORAGE AREAS (feet) MINIMUM DISTANCE TO LOT LINES OF PROPERTY THAT CAN BE BUILT UPON (feet) MINIMUM DISTANCE TO PUBLIC STREETS, PUBLIC ALLEYS OR PUBLIC WAYS (feet) MINIMUM DISTANCE TO BUILDINGS ON THE SAME PROPERTY
Nonrated construction or openings within 25 feet Two-hour construction and no openings within 25 feet Four-hour construction and no openings within 25 feet
250 5 25 5 5 0 0
2,500 10 50 10 10 5 0
7,500 20 100 20 20 10 0

For SI: 1 foot = 304.8 mm, 1 cubic foot = 0.02832 m3.

  1. The minimum required distances shall be reduced to 5 feet where protective structures having a minimum fire resistance of 2 hours interrupt the line of sight between the container and the exposure. The protective structure shall be not less than 5 feet from the exposure. The configuration of the protective structure shall allow natural ventilation to prevent the accumulation of hazardous gas concentrations.
Automatic fire-extinguishing systems for overhead sheltering of outdoor storage areas of pyrophoric materials shall be maintained in accordance with Chapter 9.
The use of pyrophoric materials in amounts exceeding the maximum allowable quantity per control area indicated in Section 5003.1.1 or 5003.1.1(3) shall be in accordance with Sections 5001, 5003, 5005 and this chapter.
Automatic fire-extinguishing systems for overhead sheltering of outdoor use areas of pyrophoric materials shall be maintained in accordance with Chapter 9.
The use of silane gas, and gas mixtures with a silane concentration of 1.37 percent or more by volume, shall be in accordance with ANSI/CGA G-13.
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