(A) All new tanks installed for the underground storage of fuels shall be designed and constructed to meet the following standards:
(1) Cathodically-protected steel meeting the specifications in API 1632, sandblasted to SSPC6, and coated according to NACE RP-01-69. A sacrificial anode tank shall meet the requirements of ULC 603.1-M-1982 and be electrically isolated; or
(2) Glass fiber-reinforced plastic meeting ASTM Specification D4021-81 and be UL labeled “Nonmetallic Underground Tank for Petroleum Products”; or
(3) Glass fiber-reinforced plastic clad steel tank sandblasted to SSPC6 with resin and fiberglass one hundred (100) mils thick; or
(4) Double-walled steel or plastic tank.
(B) All associated piping systems shall be constructed of corrosion-resistant materials or protected against corrosion by the use of double-walled piping or cathodic protection.
(C) Tank and piping specifications shall be provided to ensure construction and design is appropriate for intended use.
('74 Code, § 10½-6) (Ord. 84-37, passed 6-21-84)