A n ew biological P-Removal process was required to meet UWWTD discharge consent figures. The project involved M & E asset renewal and CSO screening of storm waters at the main works feed pump station. 

The new treatment works scheme incorporated:

• 6 mm screening,
• grit removal,
• crude sewage
• RAS conditioning,
• two oxidation ditches
• Biological Phosphorus (P) removal,
• final settlement,
• odour control to the inlet works,
• RAS /SAS pumping,
• SAS thickening

The project Includes:

• refurbished existing Feed Pump Station 
• Storm Water CSO at Feed Pump Station
• Inlet Works- 6mm Screens and Grit Removal
• Crude Sewage and RAS Splitter Chambers
• Anaerobic Tank
• Diffused Air Bio P-Removal Oxidation Ditches
• Return Activated Sludge Pumping Station
• Surplus Activated Sludge Pumping Station
• New Surplus Sludge Thickener
• Provision for future Tertiary Treatment Stage Back-up
• Chemical P-Removal Dosing Equipment
• Odour Treatment
• Equipment for New Inlet Works

Mechanical Equipment:

• Submersible Pumps
• CSO Static Screens
• Penstocks
• 6mm 2D Fine Screens
• Screenings Handling Screw Conveyor and Megawasher
• Vortex Grit Trap and Screw Grit Classifier
• Submersible Mixers
• Blowers and Membrane Diffusers
• Rotating Half Bridge Scrapers
• Progressive Cavity Pumps
• Washwater Booster Set Unit
• Odour Control Biofilter
• Fans and Ductwork
• Surplus Drum Thickener