Common cctv drain surveys problems in Sunderland
- ✓ Tidal groundwater infiltration through joint defects in riverside properties
- ✓ Unknown pipe routes in converted commercial-to-residential buildings near the stadium
- ✓ Condition assessment for property purchases in Hendon and Millfield period streets
- ✓ Investigation of recurring blockage causes in Victorian clay drainage
- ✓ Planning surveys for proposed extensions to inter-war semi properties