Phased works comprising the supply and installation of a temporary dam, continuous pumping for the duration of the works to keep the work area dry. Liaison with the Environment Agency and Ecology Officers for bio-security. Plus other applicable bodies including the local landowners and neighbours. Controlled demolition of the existing walls, Storage of excavated materials for observation (potential crayfish habitation) and cart away after soak period. Reinforced concrete foundations, stepoc retaining walls, backfilling and reinstatement of the original stonework wall.