Md. Code Regs. 26.10.18.04

Current through Register Vol. 51, No. 22, November 1, 2024

Section 26.10.18.04 - Performance Standards for a Field-Erected AST System

An owner, an operator, and a person in charge of an AST system with a field-erected AST shall:

A. Ensure the field-erected AST is:

(1) Properly designed for the oil storage application and type of oil to be stored;

(2) Constructed of welded carbon steel or stainless steel; and

(3) Constructed to an industry standard, including an API standard for field-erected ASTs incorporated by reference in COMAR 26.10.01.03;

B. Ensure the foundation of the field-erected AST:

(1) Is designed and constructed in accordance with Annexes B and I of API Standard 650 "Welded Tanks for Oil Storage" to prevent settlement of the foundation and the AST due to soil bearing capacity and other site conditions using:

(a) Field and laboratory testing; and

(b) Analyses and other sound engineering practices performed by a professional engineer;

(2) Is capable of supporting the load of the AST and its contents without excessive differential settlement; and

(3) Provides positive drainage of water away from the AST base; and

C. Test a new, repaired, or relocated AST system for tightness in accordance with NFPA 30 "Flammable and Combustible Liquids Code":

(1) Upon completion of the installation or repair of the AST system; and

(2) Before placing the AST system in-service

Md. Code Regs. 26.10.18.04

Regulation .04 adopted effective 49:12 Md. R. 642, eff. 6/13/2022