Section FC 6204: Storage
6204.1 Indoor storage.
Indoor storage of organic peroxides in amounts exceeding the maximum allowable quantity per control area indicated in FC Table 5003.1.1(1) shall be in accordance with FC 5001, 5003, 5004 and this chapter.
6204.1.1 Detached storage.
Storage of organic peroxides shall be in a detached building when required by FC 5003.8.2.
6204.1.2 Distance from detached storage buildings to exposures.
In addition to the requirements of the Building Code, detached storage buildings shall be located in accordance with FC Table 6204.1.2.
FC Table 6204.1.2
Organic Peroxides – Distance from Detached Storage Buildings or Outdoor Storage Areas to Exposures
Organic Peroxide Class Maximum Storage Quantity (pounds) at Minimum Separation Distance
Distance to buildings, lot lines, public streets, private roads or means of egress Distance between individual detached storage buildings or individual outdoor storage areas
50 feet 100 feet 150 feet 20 feet 75 feet 100 feet
I 2,000 20,000 175,000 2,000 20,000 175,000
II 100,000 200,000 No Limit 100,000 a No Limit No Limit
III 200,000 No Limit No Limit 200,000 a No Limit No Limit
IV No Limit No Limit No Limit No Limit No Limit No Limit
V No Limit No Limit No Limit No Limit No Limit No Limit
For SI: 1 foot = 304.8 mm, 1 pound = 0.454 kg.
a. When the amount of organic peroxide stored exceeds this amount, the minimum separation shall be 50 feet.
6204.1.3 Liquid-tight floor.
In addition to the requirements of FC 5004.12, floors of storage areas shall be of liquid-tight construction.
6204.1.4 Electrical wiring and equipment.
In addition to the requirements of FC 5003.9.4, electrical wiring and equipment in storage areas for Class I or II organic peroxides shall comply with the requirements of the Electrical Code for electrical Class I, Division 2 locations.
6204.1.5 Smoke detection.
An approved supervised smoke detection system in accordance with the construction codes, including the Building Code, shall be provided in rooms or areas where Class I, II or III organic peroxides are stored. Activation of the smoke detection system shall sound a local alarm.
Exception: A smoke detection system shall not be required in detached storage buildings equipped throughout with a fire extinguishing system.
6204.1.6 Maximum quantities.
Maximum allowable quantities per building in a mixed occupancy building shall not exceed the amounts set forth in FC Table 5003.8.2. Maximum allowable quantities per building in a detached storage building shall not exceed the amounts specified in FC Table 6204.1.2.
6204.1.7 Storage arrangement.
Storage arrangements for organic peroxides shall be in accordance with FC Table 6204.2.4 and shall comply with the following requirements:
1. Containers and packages in storage areas shall be closed.
2. Bulk storage shall not be in piles or bins.
3. A minimum 2-foot (610 mm) clear space shall be maintained between storage and uninsulated metal walls.
4. Fifty-five-gallon (208 L) drums shall not be stored more than one drum high.
6204.1.8 Location in building.
Class I or II organic peroxides shall be stored on the ground floor. Class III organic peroxides shall not be stored in basements or other areas below grade.
6204.1.9 Contamination.
Organic peroxides shall be stored in their original DOTn shipping containers. Organic peroxides shall be stored in a manner to prevent contamination.
6204.1.10 Explosion control.
Indoor storage rooms, areas and buildings containing Class I organic peroxides shall be provided with explosion control in accordance with FC 911 and the construction codes, including the Building Code.
6204.1.11 Emergency power.
Emergency power in accordance with the construction codes, including the Building Code and Electrical Code, shall be provided for storage areas of Class I organic peroxides.
6204.1.12 Smoke and heat venting.
Storage areas for Class I organic peroxides shall be provided with smoke and heat venting in accordance with FC 910 and the construction codes, including the Building Code.
6204.2 Outdoor storage.
Outdoor storage of organic peroxides in amounts exceeding the maximum allowable quantities per control area indicated in FC Table 5003.1.1(3) shall be in accordance with FC 5001, 5003, 5004 and this chapter.
6204.2.1 Distance from storage to exposures.
Outdoor storage areas for organic peroxides shall be located in accordance with FC Table 6204.1.2.
6204.2.2 Electrical wiring and equipment.
In addition to the requirements of FC 5003.9.4, electrical wiring and equipment in outdoor storage areas containing Class I or II organic peroxides shall comply with the requirements of the Electrical Code for electrical Class I, Division 2 locations.
6204.2.3 Maximum quantities.
Maximum allowable quantities of organic peroxides in outdoor storage shall be in accordance with FC Table 6204.1.2.
6204.2.4 Storage arrangement.
Storage arrangements shall be in accordance with FC Table 6204.2.4.
FC Table 6204.2.4
Storage Requirements for Organic Peroxides
Organic Peroxide Class Pile Configuration Maximum Quantity Per Building
Maximum width (feet) Maximum height (feet) Minimum distance to next pile (feet) Minimum distance to walls (feet)
I 6 8 4 a 4 b Note c
II 10 8 4 a 4 b Note c
III 10 8 4 a 4 b Note c
IV 16 10 3 a, d 4 b No Requirement
V No Requirement No Requirement No Requirement No Requirement No Requirement
For SI: 1 foot = 304.8 mm.
a. At least one main aisle with a minimum width of 8 feet shall divide the storage area.
b. Distance to noncombustible walls is allowed to be reduced to 2 feet.
c. For detached storage buildings or outdoor storage areas, see FC Table 6204.1.2 for maximum quantities. For indoor storage, see FC Table 5003.8.2 for maximum quantities.
d. The distance shall not be less than one-half the pile height.
6204.2.5 Separation.
In addition to the requirements of 5003.9.8, outdoor storage areas for organic peroxides in amounts exceeding those specified in FC Table 5003.8.2 shall be located a minimum distance of 50 feet (15 240 mm) from other hazardous material storage.
