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Photo 52 of 133
This new-build property had a small 280mm Access Chamber that had been poorly installed. A sink had been installed on the main line, with a WC on the lateral line, which caused repeat blockages (WC should have been installed on the main line). There was no concrete footing, virtually no granular surround for the connections, no haunching on the riser, and no concrete collar for the cover... It had been installed on soil, with soil backfill - NO side-fill of shingle whatsoever. The cover was 130mm below ground level too, with no cement collar / no support whatsoever. We excavated, installed a 320mm Osma chamber that was designed for this purpose, and re-installed correctly - to Building Regulations.