Hydro International Ltd. acted as Designer, Main Contractor, Principle Designer & Principle Contractor, offering a turnkey design and build solution for the Karro Foods Primary Wastewater Treatment Works, including process design, MEICA design and installation, civil design and co-ordination, testing and commissioning and operation and maintenance.

The works undertaken by Hydro are outlined below:

• Inlet works – 2No. Drum Screens for raw effluent and truck wash with Screenings Compactor followed by Pump Sump to the New Balance Tank.
• New Balance Tank GLS (2,000 m³) equipped with GRP roof for odour containment.
• New Hydro DAF package (100 m³/hour).
• New Hydro Double Hydro 400 Screw Press and Cake Pump systems were installed
• New Chemical Dosage consisting of 2no. polymer preparation units and 30m³ Bunded Bulk coagulant storage tank were provided.
• Drum Screens, DAF & Sludge Screw Press housed in a bespoke double skin insulated building.
• DAF Sludge Tank GLS (200 m³) equipped with GRP roof for odour containment.
• New Bio-scrubber odour abatement system for Balance Tank, Sludge Tank & Building.
• New MCC with PLC and HMI and full remote access.
• Civil works for the construction of the associated items related to the upgrading works of WWTP such as main concrete apron slab, concrete repair works and underground services etc.