Codes, Standards & Specifications

Southern Tank & Mfg. Co. has an experienced fabrication shop qualified to meet the following codes, standards, and specifications.
AWWA D100 American Water Works Association Standard for Welded Steel Tanks for Water Storage
API 620 American Petroleum Institute Standard 620: Recommended Rules for Design and Construction of Large, Welded, Low-Pressure Storage Tanks
API 650 American Petroleum Institute Standard 650: Welded Steel Tanks for Oil Storage
API 12F American Petroleum Institute Specification 12F: Shop-Welded Tanks for Storage of Production Liquids
F911 Steel Tank Institute Standard F911 for Diked Aboveground Storage Tanks
F921 Steel Tank Institute Standard F921 for Aboveground Tanks with Integral Secondary Containment
F941(Fireguard) Steel Tank Institute Standard F941 for Fireguard Thermally Insulated Aboveground Storage Tanks
ACT 100U Steel Tank Institute Specification ACT-100-U for External Corrosion Protection of Composite Steel Underground Storage Tanks
FLAMESHIELD Steel Tank Institute Standard FLAMESHIELD for Aboveground Fire-Resistant Tanks
STI P3 Steel Tank Institute Specification STI-P3 for External Corrosion Protection of Underground Steel Storage Tanks
UL 58 Underwriter’s Laboratories Standard for Safety UL 58, Steel Underground Tanks for Flammable and Combustible Liquids
UL 142 Underwriter’s Laboratories Standard for Safety UL 142, Steel Aboveground Tanks for Flammable and Combustible Liquids
UL 2085 Underwriter’s Laboratories Standard for SafetyUL 2085, Protected Aboveground Tanks for Flammable and  Combustible Liquids