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PERMATANK®: F922 - Specification for PERMATANK®
Revised: July 2019 PDF Format

Manufacturing specification to build a  steel corrosion control underground storage tank, that combines an steel inner tank within a fiberglass reinforced outer container.


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This specification covers a method of underground exterior corrosion control for steel tanks. The method combines a steel inner tank within a fiberglass reinforced plastic outer containment and can be equipped with an optional interstitial leak detection monitoring system.
Table of contents contains; Definitions, Compliance, General Requirements, Electrical Isolation, Tightness Testing, Application of Outer FRP Containment Wall, Completion

“STI technologies have better industry recognition than any of our individual brands.”

Greg Scalet
Steel Tank & Fabricating Corp.

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