1. Scope 1.1 These requirements cover steel contained tank assemblies that are used for
aboveground storage of flammable liquids and combustible liquids such as
gasoline, fuel oil, or similar products with a relative density not greater
than 1.0. 1.2 Contained tank assemblies consist of primary tanks contained in steel
containments having capacities of not less than 110% of the capacities of the
primary tank. The calculation of this capacity includes any part of the
primary tank that would be submerged in the containment. 1.3 The minimum design of the containment shall be such that any leak from a
perforation in the lower half of the primary tank shall be contained. 1.4 Contained tank assemblies are intended for stationary installation and use
in accordance with the following: A National Fire Code of Canada, Part 4; and B CSA B139, Installation Code for Oil Burning Equipment.
CSA S653-1994 history
1994CSA S653-1994 Standard for Aboveground Steel Contained Tank Assemblies for Flammable and Combustible Liquids