Collapsible containment berm

摘要

Containment berms (40) for the collection of hazardous materials are provided which include a floor (42) with an upstanding, continuous, foldable sidewall (44) to define and internal zone (46) for receiving and holding hazardous materials. The sidewall (44) may be supported by means of external support structure (48) and/or internal support structure (50). The support structures (48, 50) each include a plurality of support leg assemblies (52, 52a) which are secured to sidewall (44) and are pivotal about respective upright axes (66, 66a, 150) and are pivotal from retracted positions close to the sidewall (44) to deployed positions extending from the sidewall (44) and substantially perpendicular thereto.

主权项

1. A containment berm, comprising:
a generally horizontally extending floor; an upright, foldable sidewall connected to said floor to cooperatively present an interior containment zone for holding hazardous material; support structure operably coupled with said sidewall and including a plurality of support leg assemblies secured to said sidewall and being pivotal about respective upright axes proximal to the sidewall, each of said upright axes extending upwardly relative to said floor, said support leg assemblies each having an elongated lower margin and pivotal from a retracted position close to said sidewall to a deployed position extending from said sidewall, said support leg assemblies in the deployed position thereof operable to prevent collapse of said sidewall under the influence of the weight of said hazardous material within the containment zone; and retaining structure associated with each of said leg assemblies and operable to maintain the leg assemblies in said deployed position, each retaining structure comprising an elongated first strap secured to said floor or sidewall at a position laterally spaced from the upright axis of the associated support structure, and to said support leg assembly at a point spaced from said sidewall when the support leg assembly is deployed, such that the longitudinal axis of said first strap is obliquely oriented relative to the elongated lower margin of the associated leg assembly when deployed.