Impoundment capacity: equipment and transfer systems.

Current as of 1999-10-01 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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If an impounding system serves a component under § 193.2149(b) (1)-(3), it must have a minimum volumetric liquid impoundment capacity equal to the sum of—

(a) One-hundred percent of the volume of liquid that could be contained in the component and, where applicable, tank car or tank truck served; and

(b) The maximum volume of liquid which could discharge into the impounding space from any single failure of equipment or piping during the time period necessary for spill detection, instrument response, and sequenced shutdown by the automatic shutdown system under § 193.2439.

Meanings are ordered from the narrowest applicable scope.

Componentbinding

means any part, or system of parts functioning as a unit, including, but not limited to, piping, processing equipment, containers, control devices, impounding systems, lighting, security devices, fire control equipment, and communication equipment, whose integrity or reliability is necessary to maintain safety in controlling, processing, or containing a hazardous fluid.

49 CFR 193.2007Applies at 49 CFR Part 193 scope

Impounding spacebinding

means a volume of space formed by dikes and floors which is designed to confine a spill of hazardous liquid.

49 CFR 193.2007Applies at 49 CFR Part 193 scope

Impounding systembinding

includes an impounding space, including dikes and floors for conducting the flow of spilled hazardous liquids to an impounding space.

49 CFR 193.2007Applies at 49 CFR Part 193 scope

Pipingbinding

means pipe, tubing, hoses, fittings, valves, pumps, connections, safety devices or related components for containing the flow of hazardous fluids.

49 CFR 193.2007Applies at 49 CFR Part 193 scope

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Retrieved: Aug 12, 2026
Version: 1999-10-01

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