The Inspection chamber base has a clear plastic opening, riser and round top cover. It has a 5 Way 110mm stepped design inlet system complete with 3 easy fit bungs to block off unused inlets.The Maximum depth allowed by building regulations is 600mm.
Manufactured by Clark Drain using black polypropylene and EPDM rubber
External dimensions 478mm diameter x 600mm high
Load rating classification of 15kn (pedestrian)
Product weight 6.5kg
Compliant to relevant clause of BS EN 13598-1:2010
Extended frame for levelling to surrounding surfaces of up to 15 degress
Slip-resistant surface tread pattern on cover