Containment and Drainage

“Containment is a structure that is designed to contain the entire contents of the primary tank (primary containment) in the event of a rupture or leak.”

Reference: UL 2085 Standard Protected Aboveground Tanks for Flammable and Combustible Liquids

“Drainage system are designed to contain or receive accidental spills, and then direct them to safe locations (e.g., to avoid ignition).”

Reference: Fireproofing Practices in Petroleum and Petrochemical Processing Plan (API 2218). Standard by American Petroleum Institute. API 14J