Amendment 4-ConVault Specification with UL 752 Level 8

SPECIFICATIONS

ConVault® UL 752 and UL 2085 Listed Rectangular
Protected/Secondarily Contained Aboveground Tank

1.0 GENERAL DESCRIPTION AND STANDARDS

1.1.

Provide the rectangular ConVault® Aboveground Tank system constructed and listed in accordance with Underwriters Laboratories, Inc. (UL) Standard 2085, Aboveground Storage Tanks for Flammable and Combustible Liquids, Protected Type, Non-Metallic Secondary Containment with Vehicle Impact and Projectile Resistance. The tank system shall be listed for ballistics protection in accordance with UL Standard 752, Levels 5, 6 and 8.

1.2. The tank system must comply with all provisions of: 1) UFC 79-7, Appendix A-II-F, for both Vehicle Impact Protection and Projectile Resistance; 2) NFPA 30 and 30A; 3) IFC Chapter 22; and 4) IFC Chapter 34. 1.3. The tank system shall be tested, certified and approved for Vapor Recovery by the State of California Air Resource Board (CARB) under Executive Order VR-302-B Standing Loss Control Recovery System for New Installations of Aboveground Storage Tanks effective 11/30/09.
1.4. The tank system shall be warranted by the manufacturer against defects in material or workmanship for 30 years following the delivery of the tank. Warranties that limit such coverage for shorter periods and/or limit the primary tank warranty to failure solely due to non-corrosion related cracking, breakup or collapse will not be permitted. See warranty documents.
1.5. The tank system shall be manufactured and labeled in strict accordance with Convault® standards as applied by a licensee of Convault, Inc. The tank system shall be subject to the Convault Quality Assurance Program.

2.0 DESIGN AND CONSTRUCTION

2.1

Tank: The primary tank shall be rectangular in shape and listed per UL Standard 142. Welds shall be continuous on all sides and exterior seams, conforming to the American Welding Society Standard for continuous weld. The primary steel tank shall be pressure tested at 5 psig for a minimum of 24 hours. All openings shall be from the top only.

2.2

Secondary Containment and Corrosion Protection: The tank system shall include secondary containment consisting of an impervious barrier of 30 Mil (0.76 mm) High-Density Polyethylene geomembrane enclosing the primary steel tank and insulation material to contain leaks from the primary tank and isolating the primary tank from the concrete to protect against corrosion. The secondary containment shall be impervious to corrosion, including damage or failure due to microbial infestation.