FIRST DEFENSE

Apparatus and installations for use in separating solid matter from waste water, namely vortex separators; separators for use in storm water control in the nature of a separator, contained within a concrete chamber, to remove settleable solids, gross solids, floatables and oils from urban run off; storm water drainage and treatment systems consisting of a vortex separator and a flow modifying insert, pre-packaged in a reinforced pre-cast concrete chamber complete with base slab, cover slab, connecting pipes and access opening and receiving inserts