The objective of this project is to:1. Replace the existing water treatment plant which provides chemical dosing to the two main 5,800 (6,000 nominal) litre water storage tanks in the C Hall Tower attic.2. Connect the new water treatment plant to the existing site BEMS3. Remove the existing Clearwater Technology Dosing Unit and system serving the main tanks.4. Remove the local water storage tanks located within the Hall A and B attics.5. Reconfigure the cold water down service in the Hall A, B and C attics/ plant rooms with new pipework such that they are served direct from the two main water tanks equipping each riser down service with an isolating valve.6. Apply insulation and cladding (as per Mechanical Specification) to the new pipework within the Halls A, B and C attics.