Double Wall Tank Requirements

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Double wall tank requirements.

It is a good idea to understand all of the requirements for your fuel tank. A type ii double wall tank has a measurable and consistent space between the inner and outer tanks but it doesn t necessarily require the insulating material. Double walled tanks are preferable to single wall tanks. An equivalent approved device.

Type i and type ii double wall tanks comply with most all local state and federal code requirements for secondary containment. Owner operators of underground storage tank ust systems in massachusetts are required to. Along with the above requirements a provision has been made that requires that one or more of the following devices also be implemented. Tank system consisting of a primary tank protected from physical damage and from high intensity liquid pool fire exposure.

Meet all registration compliance and reporting requirements of 310 cmr 80 00 by using the ust data management system follow the key actions link below. A liner external to the tank a vault. 14 maintenance means the normal operational upkeep to prevent an underground storage tank system from releasing product. For double wall tanks it is the area between the inner and outer walls.

Above ground fuel tanks can also present significant loss exposures in the form of fires explosion pollution and theft. If your tank is outside you will not have to worry about the weather. A double wall tank is a form of secondary containment that has a small footprint and is sealed to keep dirt debris and rain out of the containment area. Employ at least one massdep certified class a b and c operator.

The system must be listed labeled and meet requirements of ufc standard 79 7 requirements for protected aboveground tanks two hour fire exposure. Double wall tanks have the added benefit of keeping rainwater out. A double wall tank is not required per federal transportation requirements for the transport of diesel or gasoline in bulk containers but may be required by local or other jurisdictional regulations. Ul 142 as an above ground storage tank which has no applicability to dot ratings.