Technical Summary:

Rehabilitation using non dig techniques of defective sewers within the live Main Drainage system of the Lower Liffey Valley Regional Sewerage Scheme. Scope of works included:

• Cleaning of 19 km of sewers and 112 manholes to remove silt and debris from the specified sewers to increase the hydraulic capacity and provide clean sewer system.
• Removal of obstructions including intruding connections from the sewer network.
• 400 localised repair to isolated or infrequent defects within the sewer system.
• Relining of over 100 manholes and approximately 5 km of sewers.
• CCTV Survey and report of over 19km of sewer both before and after rehabilitation works.
• Preparation of an updated SUU5 Database for the rehabilitated manholes.
• Traffic Management