Coffee Break Training: Hazardous Materials: Spill Control and Secondary Containment [open pdf - 154KB]
"One of the model fire code control strategies for a liquid or solid hazardous material is to confine the product to its original container. In the event of spills or leaks, the codes employ additional strategies to limit the likelihood that the product will spread: spill control and secondary containment. Spill control is required to prevent liquids from flowing to other parts of a room, building or area. The liquid in a container that falls to the floor and bursts should be controlled so it does not spread to other areas. Spill control for liquids is required by the model codes when rooms, buildings or areas used for liquid storage hold individual containers having a capacity of more than 55 gallons (208 liters (L)) or where the aggregate capacity of multiple vessels exceeds 1,000 gallons (3,785 L). Spill control is accomplished by the construction of: (1) Liquid-tight sloped or recessed floors to confine the product; (2) Liquid-tight floors provided with liquid-tight raised or recessed sills or dikes; (3) Sumps and collection systems; and (4) Other engineered systems approved by the code official."
Coffee Break Training - Fire Protection Series No. FP-2014-46
U.S. Fire Administration: http://www.usfa.fema.gov/