The scope of works entails the supply and installation of effluent screening systems; grit and oil removal facilities; balancing tanks; secondary treatment units; pumping and sewage lift stations; emergency outfall; and civil works including roads and associated buildings. The plant will have the capacity to treat on average 2,325 cubic metres a day of effluent at a peak flow rate of 387.5 cubic metres an hour, with an organic loading of 698 kilos a day. The local ACE Almoayedis the consultant (Bahrain, MEED Special Report, 13:9:02, pages 34-35).