The main channel of the Inspection Chamber base is left open and the two side inlets are blanked off with integral blanking plugs – simply remove the blanking plug by pushing it out from within the base to open and use the side inlets.
All of these components can be interchanged with the relevant chamber sets, so if you are simply looking for an additional riser then you are in the right place! Just make sure that the manufacturers of each are the same, as chamber bases and risers from different manufacturers are rarely interchangeable.
The FloPlast Mini Access Chamber design and flexibility provides a practical, innovative and cost effective solution for the provision of access in a drainage system.
BS EN 13598 – 1: 2010 Plastic Inspection Chamber for drainage.