A portable containment for containing spilled material and preventing environmental ground contamination which may be easily folded for transportation and storage, comprising: (a) foldable ground sheeting overlying the ground in an unfolded configuration, said ground sheeting having a floor section for containing said spilled material in said unfolded configuration; (b) a foldable, generally upstanding retaining wall integrally connected to said floor section having an upstanding configuration for containing the spilled material in cooperation with said floor section in said unfolded configuration; (c) a plurality of foldable side braces connected to said wall sheeting having a bracing position for maintaining said wall in said upstanding configuration; (d) said side braces including: (i) a generally vertical rigid leg carried by said retaining wall, (ii) a generally horizontal leg generally parallel to said ground sheeting in said bracing position, (iii) an inclined rigid leg extending between an upper portion of said retaining wall and said horizontal leg in said bracing position for bracing said retaining wall in said upstanding configuration, (iv) a hinge defined at an intersection of said inclined leg and said horizontal leg about which said inclined leg and said horizontal leg pivot relative to each other, and (e) a brace fixture affixing said hinge at a fixed distance from said retaining wall when side brace is in said bracing position and said retaining wall is in said upstanding position for retaining said spilled material. view more

The apparatus of claim 1 wherein said inclined leg is disposed on an exterior side of said retaining wall, and said brace fixture includes an anchor carried near said exterior side of said retaining wall securing said interior leg in an exterior bracing position. view more

The apparatus of claim 1 wherein said inclined leg folds generally flat in said folded configuration.

A portable containment for containing spilled material and preventing environmental ground contamination which may be easily folded for transportation and storage, comprising: (a) a foldable ground sheeting overlying the ground in an unfolded configuration, said ground sheeting having a floor section for containing said spilled material in said unfolded configuration; (b) a foldable, generally upstanding retaining wall integrally connected to said floor section having an upstanding configuration for containing the spilled material in cooperation with said floor section in said unfolded configuration; (c) a plurality of foldable, generally rigid braces connected to said wall and said ground sheeting for maintaining said wall in said upstanding configuration; (d) said side braces including a generally vertical rigid leg carried by said retaining wall, a generally horizontal leg extending generally parallel to said ground sheeting in said bracing position, and an inclined rigid leg extending generally between an upper portion of said retaining wall and said horizonal leg for maintaining said retaining wall in said upstanding configuration in said bracing position, and said inclined leg having a terminal end terminating at said horizontal leg; and (e) a brace fixture affixing said terminal end of said inclined brace leg at a fixed distance from said retaining wall and said vertical leg when said retaining wall is in said upstanding position for retaining said spilled material. view more