Brett Martin Shallow Access Chambers have a multi-inlet design reducing the need for multiple variants when planning your drainage layout. They have a 315mm diameter with a maximum invert depth of 600mm which This is achieved using 1 x Shallow Access Chamber Base (B3150), 2 x Shallow Access Chamber Risers (B3151) and 1 x Lid (B3154).
Shallow Inspection Chamber Riser Dimensions:
Diameter: 315mm
Invert Depth: 185mm
Water Tight Push-Fit Connections
Meets requirements Building Regulations Part H1
The Risers can be cut with a hand saw to achieve the required finishing level
