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// CODE SNIPPET

5604.3 Magazines

Fire Code 2018 of Colorado > 56 Explosives and Fireworks > 5604 Explosive Materials Storage and Handling > 5604.3 Magazines
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The storage of explosives and explosive materials in magazines shall comply with Table 5604.3.
TABLE 5604.3
STORAGE AMOUNTS AND MAGAZINE REQUIREMENTS FOR EXPLOSIVES, EXPLOSIVE MATERIALS AND FIREWORKS, 1.3G MAXIMUM ALLOWABLE QUANTITY PER CONTROL AREA
NEW UN/
DOTn
DIVISION
OLD DOTn
CLASS
ATF/OSHA
CLASS
INDOORa (pounds)OUTDOOR (pounds)MAGAZINE TYPE REQUIRED
UnprotectedCabinetSprinklersSprinklers
& cabinet
12345
1.1bAHigh00121XXX——
1.2AHigh00121XXX——
1.2BLow00111XXXX—
1.3BLow005101XXXX—
1.4BLow00501001XXXX—
1.5CLow00121XXXX—
1.5Blasting AgentBlasting Agent00121XXXXX
1.6Not
Applicable
Not
Applicable
00121XXXXX
For SI: 1 pound = 0.454 kg, 1 pound per gallon = 0.12 kg per liter, 1 ounce = 28.35 g.
  1. A factor of 10 pounds per gallon shall be used for converting pounds (solid) to gallons (liquid) in accordance with Section 5003.1.2.
  2. Black powder shall be stored in a Type 1, 2, 3 or 4 magazine as provided for in Section 5604.3.1.

5604.3.1 High Explosives

Explosive materials classified as Division 1.1 or 1.2 or formerly classified as Class A by the U.S. Department of Transportation shall be stored in Type 1, 2 or 3 magazines.
Exceptions:
  1. Black powder shall be stored in a Type 1, 2, 3 or 4 magazine.
  2. Cap-sensitive explosive material that is demonstrated not to be bullet sensitive shall be stored in a Type 1, 2, 3, 4 or 5 magazine.

5604.3.2 Low Explosives

Explosive materials that are not cap sensitive shall be stored in a Type 1, 2, 3, 4 or 5 magazine.

5604.3.3 Detonating Cord

For quantity and distance purposes, detonating cord of 50 grains per foot shall be calculated as equivalent to 8 pounds (4 kg) of high explosives per 1,000 feet (305 m). Heavier or lighter core loads shall be rated proportionally.

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