Opening up of the existing facade to facilitate the installation of 2 new windows into the first floor office area of the existing water treatment building.

Demolition of existing workshop and (defunct) Activated Carbon Building adjacent the old/northern Treatment Plant Building; construction of a Sulphuric Acid Storage and Dosing Facility Building (single storey up to approximately 8.7 metres in height) adjacent the new/southern Treatment Plant Building; construction of a Lime Storage & Dosing Facility Building (single storey up to approximately 11 metres in height) adjoining the old/northern Treatment Plant Building, associated external storage silos (2) with external staircase (up to approximately 12.3 metres in height) partially enveloped with a perforated metal architectural screen, and ancillary plant and equipment; reconfiguration and repurposing for use as a De-Alkalisation Plant of existing (disused) High-Lift Pump Hall within the old/northern Treatment Plant Building; construction of a new ancillary Workshop Building (single storey up to approximately 4.5 metres in height) to the rear/south of the 'old/northern Treatment Plant Building; temporary and enabling works to facilitate construction and continued / uninterrupted operation of the Treatment Plant site; associated network of underground pipelines/connections, and redirection of existing where necessary, throughout the site; provision of additional car parking (to the rear/south of the old/northern Treatment Plant Building), modification and extension of existing drainage, utility and services infrastructure and connections to serve and facilitate new and reconfigured buildings, and all other associated and ancillary development and works above and below ground level.