The document describes the key elements of a vaulted fuel containment system, including primary and secondary steel tanks, an armored overfill containment box, insulation, leak detectors, monitoring ports, vents, manways, spill buckets, dispensers connected to secondary containment chambers via piping, and safety features like overfill valves and venting.
2. Vaulted Fuel Containment System (AST) Reinforcing Primary containment Tanks Primary Tank Emergency Vent Fuel Level Gauge Secondary Containment Chamber Armored Over-spill/ Overfill Containment Box equipped with fill port, over- spill drain valve, & over-fill protection valve Insulation Interstitial Leak Detector & Monitoring Port Tertiary Inspection/ Monitoring Port Capped Option Ports Standard Vent for Primary Tank Secondary Containment Chamber Emergency Vent Service Line Supply Manway
3. Vaulted Fuel Containment System (UST) Exhaust Vent Primary Manway Spill Bucket Fill Port Catastrophic Overfill Entrance Manway Air Intake Vent Sump Inspection Drain Line to Island Dispenser Directs Fuel To Secondary Containment Chamber
