450mm Manhole Inspection Chambers and Covers

450mm Inspection Chamber Bases, Risers & Covers Our 450mm PPIC inspection chambers comply with the following standards and building regulations: BS EN 13598: 2010 Building Regulations Part H (Maximum invert depth of 1.2m) 450mm PPIC manhole chambers are installed to create a change-of-direct and/or rodding access and inspection points for 110mm & 160mm uPVC drainage systems. Polypropylene inspection chambers (PPIC) are lightweight... Read More
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