Catch Basins

Concrete catch basins are available in nominal inside dimensions of 600 x 600mm, 600 x 840mm, and 600 x 1450mm with a monolithic base. Concrete ditch inlets are available in nominal inside dimensions of 600 x 600mm, 600 x 1200mm, and 1800 x 900mm with a monolithic base and tops with various slopes to match most grading plans. The standard depth of bury for precast catch basins and ditch inlets are 4m to the base, but designs for deeper applications or different live load conditions are available. The standard CB section heights are available in 150mm increments. CB sections designed to be stacked are supplied with a tongue and groove joint.