Tenders Are Invited For Renovation And Partial Expansion Of The Akkrum Wwtp

The Assignment Concerns The Renovation And Partial Expansion Of The Akkrum Wwtp. The Work Is Carried Out While The Purification Process Remains In Operation. • Construction Of A New Influent Pumping Station And Connection To The Existing Gravity Sewer; • Realization Of A New Influent Work Including Fine Screen Installation And Associated Civil Engineering And Installation Facilities; • Construction Of A New Secondary Settling Tank And Adjustments To The Existing Secondary Settling Tank; • Construction Of A New Effluent Pump Pit With Associated Pumps And Pipework; • Construction Of Two New Sludge Tanks Including Covers, Mixers And Odor Treatment; • Adjustments To The Aeration Circuit And The Realization Of A New Measuring Cabin; • Renewal And Adjustment Of Sludge Return And Surplus Sludge Facilities; • Renovation Of The Thickener And Replacement Of Various Pumps And Pipes; • Realization Of An Odor Treatment Installation For Various Process Components; • Replacement Of Site Sewerage And Various Site Facilities, Including Paving; • Demolition Of Existing Installations And Parts As Indicated In The Specifications; • Carrying Out The Work In Phases, Whereby The Continuity Of The Purification Process Must Be Guaranteed At All Times.