ACT-100 Single / Double-Wall Steel Underground Tank

ACT-100 Single / Double-Wall Steel Underground Tank

ACT-100® Steel/FRP composite tank features a strong steel tank for structural integrity, and a 100-mil fiberglass outer coating for long-lasting corrosion protection. Double-wall design allows continuous interstitial leak detection and monitoring.

    • Meets UL 58, UL 1746 and ULC-S603.1
    • A high-voltage holiday test of the coating assures that the steel is isolated from corrosive soils
    • Can be used with a variety of leak detection systems
    • Steel provides complete compatibility with all blends of ethanol and biodiesel fuels
    • Impermeable to all petroleum products and vapors
    • No failures due to external corrosion in its history
    • Flat end design reduces the cost of installation and increases site layout flexibility
    • Steel tank provides structural strength, while its outer coating of fiberglass prevents corrosion
    • Various backfill options allow for money-saving installation
    • Capacities range up to 60,000 gallons
    • Single or double-wall construction
    • Steel construction allows for recycling
    • Low cost compartments and customization
    • Built to nationally-recognized STI standards with strict third-party quality control inspection program
  • A) General

    1. Provide ACT-100® external corrosion protected FRP composite steel underground storage tanks.

    B) Labeling

    1. Tanks shall bear the Steel Tank Institute ACT-100® label.
    2. Underground tanks shall bear the appropriate Listing label.

    C) Product Description

    1. Tanks shall be manufactured in accordance with Steel Tank Institute ACT-100® Specification for External
    Corrosion Protection of FRP Composite Steel Underground Storage Tanks.
    2. Tanks shall be manufactured and listed in accordance with Underwriters Laboratories UL 58, Steel Underground Storage Tanks for Flammable and Combustible Liquids and UL 1746, External Corrosion Protection Systems for Steel Underground Storage Tanks or ULC-S603.1, Standard for Corrosion Protection for Steel Underground Tanks for Flammable and Combustible Liquids.
    3. Double-wall tanks shall provide testable secondary containment on site and access for interstitial leak detection monitoring.
    4. Tanks shall have a minimum 100-mils of an approved FRP laminate on the tank exterior.
    5. Tanks shall be factory tested with a high-voltage holiday test.

    D) Manufacturer

    1. Manufacturer shall be a licensed member company of the Steel Tank Institute and subject to Steel Tank Institute’s Quality Assurance program.
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