Hazardous material storage enclosure unit with secondary containment shelf

摘要: A storage enclosure for storing containers of hazardous materials with a secondary containment feature being provided by at least one shelf suspended from sub-roof assembly plurality support rods, whereby the shelves are within free and/or engagement side, rear, and front walls, so as to facilitate retention on in event movement unit walls response any disturbance, such an earthquake, or like, unit. The is very sturdy construction, employing relatively heavy gauge steel sheets having upstanding, liquid-tight, marginal portions providing spills leakage stored shelf. Each drain pipe depending therefrom, facilitating spillage thereon.