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// CODE SNIPPET

63.3.7 Oxidizing Gases

Fire Code 2018 of Maine > 63 Compressed Gases and Cryogenic Fluids > 63.3 Compressed Gases > 63.3.7 Oxidizing Gases
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63.3.7.1 General

The storage or use of oxidizing compressed gases exceeding the quantity thresholds for gases requiring special provisions as specified in Table 63.2.3.1.1 shall be in accordance with Chapters 1 through 6 of NFPA 55 and 63.3.1 through 63.3.3 and 63.3.7. [55:7.7.1]

63.3.7.2 Distance to Exposures

The outdoor storage or use of oxidizing compressed gas shall be in accordance with Table 63.3.7.2. [55:7.7.2]
Table 63.3.7.2 Distance to Exposures for Oxidizing Gases
Quantity of Gas Stored (at NTP) Distance to a Building Not Associated with the Manufacture or Distribution of Oxidizing Gases or to a Public Way or Property Line Minimum Distance Between Storage Areas
scf Nm3 ft m ft m
0—50,000 0—1416 5 1.5 5 1.5
50,001—100,000 1417—2832 10 3.0 10 3.0
≤100,001 ≤2833 15 4.6 15 4.6
[55: Table 7.7.2]

63.3.7.2.1

The distances shall not apply where fire barriers having a minimum fire resistance of 2 hours interrupt the line of sight between the container and the exposure. [55:7.7.2.1]

63.3.7.2.1.1*

Where a fire barrier is used to protect compressed gas systems, the system shall terminate downstream of the source valve. [55:7.7.2.1.1]

63.3.7.2.1.2

The fire barrier wall shall be either an independent structure or the exterior wall of the building adjacent to the storage or use area. [55:7.7.2.1.2]

63.3.7.2.2

The fire barrier shall be at least 5 ft (1.5 m) from the storage or use area perimeter. [55:7.7.2.2]

63.3.7.2.3

The configuration of the fire barrier shall allow natural ventilation to prevent the accumulation of hazardous gas concentrations. [55:7.7.2.3]

Related Code Sections


63.3.7 Compressed Gases and Cryogenic Fluids, Oxidizing Gases
The storage or use of oxidizing compressed gases exceeding the quantity thresholds for gases requiring special provisions as specified in Table ...
Fire Code 2018 of Maine > 63 Compressed Gases and Cryogenic Fluids > 63.3 Compressed Gases > 63.3.7 Oxidizing Gases
63.2.3.1.6 Compressed Gases and Cryogenic Fluids, Flammable and Oxidizing Gases
Flammable and oxidizing gases shall not be stored or used in other than industrial and storage occupancies. [ 55: 6.3.1.6.1 ...
Fire Code 2018 of Maine > 63 Compressed Gases and Cryogenic Fluids > 63.2 Building-Related Controls > 63.2.3 Occupancy Protection Levels > 63.2.3.1 Quantity Thresholds for Compressed Gases and Cryogenic Fluids Requiring Special Provisions > 63.2.3.1.6 Flammable and Oxidizing Gases
63.3.7.2.2 Compressed Gases and Cryogenic Fluids,
The fire barrier shall be at least 5 ft (1.5 m) from the storage or use area perimeter. [ 55: 7.7.2.2 ...
Fire Code 2018 of Maine > 63 Compressed Gases and Cryogenic Fluids > 63.3 Compressed Gases > 63.3.7 Oxidizing Gases > 63.3.7.2 Distance to Exposures > 63.3.7.2.2
63.3.7.2.3 Compressed Gases and Cryogenic Fluids,
The configuration of the fire barrier shall allow natural ventilation to prevent the accumulation of hazardous gas concentrations. [ 55: 7.7.2.3 ...
Fire Code 2018 of Maine > 63 Compressed Gases and Cryogenic Fluids > 63.3 Compressed Gases > 63.3.7 Oxidizing Gases > 63.3.7.2 Distance to Exposures > 63.3.7.2.3
60.3.1* Hazardous Materials, Hazardous Material Classification
peroxide formulations Oxidizer solids or liquids Oxidizing gases Oxidizing cryogenic fluids Pyrophoric solids, liquids, or gases Toxic ...
Fire Code 2018 of Maine > 60 Hazardous Materials > 60.3 Classification of Materials, Wastes, and Hazard of Contents > 60.3.1* Hazardous Material Classification
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