Double Wall Tank Secondary Containment

Shop built double walled or double hulled aboveground storage tanks asts may be used for secondary containment purposes as long as they are operated with certain protective measures.

Double wall tank secondary containment.

Double wall storage tanks and secondary containment systems provide protection against hazardous chemical spills. Use of certain double wall aboveground storage tanks asts for secondary containment purposes. In summary the required elements for double walled tanks are as follows. 22 ø 36 h.

This guidance also clarifies when shop built double walled asts satisfy the applicable secondary containment requirements in the spill prevention control and countermeasure spcc rule found at 40 cfr part 112. Secondary containment refers to the ability to catch or contain a spill from a storage tank. Size part from price. Containers are shop fabricated.

The inner tank is an underwriter laboratories ul listed. The smaller design configurations are ideal for commercial day tank system requirements and can be used in conjunction with snyder s extensive line of larger captor double wall tanks and containment systems. The epa stipulates that certain requirements must be met for the second wall to be considered a secondary container. That memo was later amended on august 9 2002 to remove the 12 000 gallon tank capacity limitation and to discuss additional spcc requirements that apply to double walled tanks.

Double wall tanks have the added benefit of keeping rainwater out. Part of using a double wall fuel tank is making sure it is up to industry standards. Double wall tanks imt provide the best protection against hazardous chemical spills into the environment. If your tank is outside you will not have to worry about the weather.

Whether they are f921 double wall flameshield fireguard or a ul 142 single wall tank with an f911 containment basin southern tank s steel secondary containment tanks will give you the peace of mind you need when it comes to storing your chemical petroleum and other liquid products. Dual containment tank dct systems. Snyder s latest product innovation double wall dct tanks range from 35 gallons up to 1500 gallons provide a secondary containment solution in one integral space saving unit. Tank capacity diameter height s g.

These secondary systems must have sufficient volume to hold all of the primary tank s liquid capacity plus a hefty extra percentage to ensure proper containment. Inner tank dome overlaps outer tank sidewall to prevent rainwater snow and debris from entering into the containment basin. Our double wall chemical storage tanks have built in secondary containment. It is a good idea to ask the manufacturer whether your tank fulfills this requirement.

Most municipalities states and the federal government require or stongly urge the use of secondary containment. Typically secondary storage will be a dike system concrete vault or double wall steel storage tank. A copy is attached for your reference.