Liquid storage installations

Claim 1

A liquid storage installation comprising tank means for storage of a liquid of the class including inflammable liquids and liquids which produce fumes of the volatile, noxious, corrosive and the like type; bund means below the tank means for entrapment of such liquid spilled from the tank means and of a size generally corresponding in volume to at least that of said tank means, said bund means including bottom and side walls, and protective means for protecting the environment from harmful effects of such liquid when spilled into the bund means; the protective means comprising a body of non-inflammable material permeable to the liquid, essentially impermeable to water whereby it may be exposed to the elements, having relatively low thermal conductivity, and selected from the group consisting of an aminoplast resin foam, a phenolic resin foam and a urethane resin foam, said body of non-inflammable material covering the bund bottom wall.