Construction of the underground storage tank (elevated camera position). The circular tank wall, built up of precast concrete sections, is pushed into the hole as it is excavated by six orange hydraulic rams, each bolted to a steel pile previously driven into the ground. The underground storage tank holding nearly 1 million litres of water is being built, together with equipment to pump its contents to Eastleigh Chickenhall Wastewater Treatment Works. The tank will take surface water flowing into drains in Church Lane and Spring Lane, Colden Common, and hold it until a storm has passed. The drainage pipes below those roads, which have long been inadequate, are being upgraded by the laying of bigger plastic pipes on top of the old pipes, see
Link . The work is being carried out by contractor 4Delivery (
Link ) on behalf of Southern Water.