No-float U-Legs eliminate subgrade barrier penetration and the concrete anchoring slab holds the forming system firmly in place.

Welded concrete studs independently anchor the frame into the surrounding concrete delivering structural load transfer and maximum service life.

Solid covers are seated on independently anchored frames and removable for ease of access and maintenance.

Overflow baffle functions as a gravity separation device allowing suspended solids to settle to the bottom of the first chamber as a sediment layer and wastewater oil will coalesce and rise to the top.

Expanded Polystyrene former is used to create the correctly-shaped cast-in-place concrete tank.

90° inlet elbow helps stabilize turbulence and directs solids to the bottom of the first chamber.

Locates the discharge outlet at the bottom of the second chamber away from the oil droplets accumulated at the top.  A pipe tee at the top of the assembly serves as a vacuum break and as a means of examining the discharge stream.

The adjustable clamp allows the formwork to be micro-adjusted once the anchoring slab is poured over the bottom of the u-legs.

Structural steel angle is independently anchored to maximize load transference into the encasement concrete.