5704.3.7 Liquid storage rooms.

Liquid storage rooms shall comply with the requirements of FC 5704.3.7.1 through 5704.3.7.5.2.

5704.3.7.1 General.

Quantities of liquids exceeding those set forth in FC 5704.3.4.1 for storage in control areas shall be stored in a liquid storage room complying with the requirements of this section and constructed and separated as required by the construction codes, including the Building Code.

5704.3.7.2 Quantities and arrangement of storage.

The quantity limits and storage arrangements in liquid storage rooms shall be in accordance with FC Tables 5704.3.6.3(2) and 5704.3.6.3(3) and FC 5704.3.7.2.1 through 5704.3.7.2.3.

5704.3.7.2.1 Mixed storage.

Where two or more classes of liquids are stored in a pile or rack section:

   1.   The quantity in that pile or rack shall not exceed the smallest of the maximum quantities for the classes of liquids stored in accordance with FC Table 5704.3.6.3(2) or 5704.3.6.3(3); and

   2.   The height of storage in that pile or rack shall not exceed the smallest of the maximum heights for the classes of liquids stored in accordance with FC Table 5704.3.6.3(2) or 5704.3.6.3(3).

5704.3.7.2.2 Separation and aisles.

Piles shall be separated from each other by at least 4-foot (1219 mm) aisles. Aisles shall be provided so that all containers are 20 feet (6096 mm) or less from an aisle. Where the storage of liquids is on racks, a minimum 4-foot-wide (1219 mm) aisle shall be provided between adjacent rows of racks and adjacent storage of liquids. Main aisles shall be a minimum of 8 feet (2438 mm) wide. Additional aisles shall be provided for access to doors, required windows and ventilation openings, standpipe connections, mechanical equipment and switches. Such aisles shall be at least 3 feet (914 mm) in width, unless greater widths are required for separation of piles or racks, in which case the greater width shall be provided.

5704.3.7.2.3 Stabilizing and supports.

Containers and piles shall be separated by pallets or dunnage to provide stability and to prevent excessive stress to container walls. Adequate material-handling equipment shall be readily available and used to handle containers safely at upper tier levels.

5704.3.7.3 Spill control and secondary containment.

Liquid storage rooms shall be provided with spill control and secondary containment in accordance with FC 5004.2.