Civil Engineering : Seathwaite Tarn Dam Remedials

The works included:

• Extending wave wall into the high ground at the left hand end of the dam
• Repairs to teh downstream face of the concrete dams
• Installation of a PVC geocomposite membrane and a geonet drainage layer included associated fixtures and fittings to the upstream face of the auxiliaru overflow
• Rock erosion protection measures to be installed at the left hand end of the dam to arrest erosion of the embankment
• The area eitehr side of the main spillway was raised by construction of reinforced concrete ground beams to prevent water passing over teh rock knoll area.