Patent ID: 8016151

Claim:
A fluid controlled containment berm system, comprising: a liner including a floor, a sidewall, an inner surface and an outer surface, said liner including two sides and two end portions, wherein said liner is comprised of an impermeable material; a buoyant member attached to an upper portion of said liner; and a pair of porous diffuser members, each of whose length is greater than its width, a substantial portion of a first lengthwise edge of each porous diffuser member being attached to said floor, and a substantial portion of a second lengthwise edge of each porous diffuser member being attached to said sidewall at an inner surface of the liner, and said porous diffuser members are located only at said sides of said liner, wherein: said porous diffuser members are configured and arranged to aid in controlling the orientation of corresponding portions of said sidewall with respect to said floor when said liner is full; and said porous diffuser members are configured to change from a collapsed state when said liner is empty, to a deployed state in response to a substantial filling of said liner.