Cavidrain in Tunnel Drainage ABG Cavidrain is designed to reduce water penetration and relieve the effects of hydrostatic pressure within tunnel constructions. It is a cuspated HDPE sheet which forms a highly effective void through which collected water is able to flow freely to an outlet or collector pipe. In modern tunnel construction traditional methods of groundwater exclusion are difficult to install with any degree of reliability. Cavidrain drainage geocomposite provides a drainage layer that collects infiltration water from behind tunnel lining systems and in the tunnel invert. In some...

abg ltd. E7 Meltham Mills Rd, Meltham, West Yorkshire, HD9 4DS t 01484 852096 [email protected] wwww.abgltd.com tf @abg_suds Partner SUSOrain MEMBER 2G15 |IS| PEOPLE This literature together with technical data, specifications, design guidance, technical advice, installation instructions or product samples can be obtained by contacting ABG Ltd. All information supplied in this brochure is supplied in good faith and without charge to enable reasonable assessment of the practical performance of ABG products. Final determination of the suitability of information or material for the use contemplated...