What is solid piled?

Solid pile describes an array with materials closely packed in stacked piles, on shelves or in bin boxes where the containers and bin boxes are supporting one-another.

What is pile storage?

High-piled combustible storage is defined as storage consisting of closely packed piles of combustible materials on pallets, in racks, or on shelves where the storage top is greater than 12 ft in height.

What is considered combustible storage?

Storage of goods at 12 feet or more above the finished floor. “Storage of combustible materials in closely packed piles or combustible materials on pallets, in racks or on shelves where the top of storage is greater than 12 feet (3658 mm) in height.

What is a Class 4 commodity?

1 A Class IV commodity shall be defined as a product, with or without pallets, that meets one of the following criteria: (1) Constructed partially or totally of Group B plastics (2) Consists of free-flowing Group A plastic materials (3) Cartoned, or within a wooden container, that Ccontains within itself or its …

What is low piled storage?

Low-piled storage is solid-piled, palletized, rack storage, bin box, and shelf storage up to 12 ft. (3.66 m) in height. This is storage within a building/area designed as a storage use group; hence, there are no area limitations.

What is closed array storage?

1 Closed Array. A storage arrangement where air movement through the pile is restricted because of 6 in. (150 mm) or less vertical flues.

What height is high pile storage?

The IFC defines high-piled combustible storage as “storage of combustible materials in closely packed piles or combustible materials on pallets, in racks or on shelves where the top of storage is greater than 12 feet in height.

Are tires considered combustible?

Tires burn with a higher per-pound heat output than most coal, and the high heat production of tire rubber makes extinguishment difficult. Tire pile fires yield large amounts of oil that is both flammable and a threat to the environment.

What are Class 3 commodities?

Class III: A Class III commodity is defined as a product fashioned from wood, paper, natural fibers, or Group C plastics with or without cartons, boxes, or crates.

What are Class A plastics?

The storage of Group A Plastics, such as ABS, acetal, acrylic, butyl rubber, EPDM (ethylene propylene rubber), FRP (fiberglass reinforced polyester), expanded natural rubber, nitrile rubber, PET, polybutadiene, polycarbonate, polyester based elastomers, polyethylene, polypropylene, polystyrene (expanded or unexpanded).

What is CMDA sprinkler?

CMDA sprinklers refer to a specific type of sprinkler listed for control of fires in storage applications and CMSA sprinklers refer to a specific type of sprinkler listed for storage applications with increased severity fires.

What is a high-piled storage area?

The Fire Prevention Code defines “high-piled storage area” as the area within a building which is designated, intended, proposed, or actually used for high-piled combustible storage.

Is the high-piled storage area SFPC compliant?

Please review SFPC 3204. The high-piled storage area is to comply with the highest commodity classification being claimed with exception. When SFPC 3204.2 applies, clearly show on the plans the locations of the higher commodity being used. Amount of Group A plastics are classified as high-hazard commodity.

How is a high-piled combustible storage submittal evaluated for code compliance?

The high-piled combustible storage submittal is typically evaluated by the Authority Having Jurisdiction’s fire prevention, fire code, or fire department. Larger departments have licensed fire protection engineers who evaluate the submittal for code compliance.

What is the preferred method used for storage along walls?

The preferred method used for storage along walls shall be a line placed at the maximum storage height. The preferred method used for open area and aisles shall be a sign with the maximum storage height posted and the bottom of the sign installed at the maximum storage height. Additional methods used shall be approved by the Fire Marshal.