
Structural Drain Lining
Sunnyside, Petersfield
Hampshire
Project Overview
Clearline Drainage was commissioned to carry out structural lining works to a foul drainage run serving a property in Petersfield, Hampshire.
The works involved rehabilitating a 15m section of 100mm clay drainage running between two manholes and through the building, providing a structural repair without the need to excavate and replace the full length of pipework.
Our Approach
The drainage run was cleaned and prepared before a 15m structural liner was impregnated with a two-part epoxy resin and installed into the existing pipe.
The liner was then cured in position before a post-installation CCTV inspection was carried out to check that the liner had fully cured and had been correctly installed.
What We Delivered
15m of 100mm clay drainage structurally lined
Structural resin liner installed between Manhole 1 and Manhole 2
Two-part epoxy resin system
Approximately 3mm liner thickness
Ambient-cured installation
Post-lining CCTV inspection
Full structural lining completion pack
10-year Clearline workmanship guarantee
Outcome
The 15m section was successfully lined and the works completed without the need to excavate along the drainage route through the building.
A post-installation CCTV check was completed following the lining works, with the installation recorded as complete and satisfactory.
The client was also provided with a full completion pack containing the installation record, photographic evidence, completion certificate and a 10-year workmanship guarantee, giving them a clear record of the repair for the property’s future drainage and maintenance records.

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