Tenders Are Invited For Framework Agreement Relating To The Maintenance Of Leachate Pumps On Post-Management Sites

Leachate. To Do This, Spaque Uses A Significant Number Of Submerged Pumps Placed In Wells Also Used To Extract Biogas Produced By The Biodegradation Of Waste. The Pumped Leachate Is Then Directed, Via A Network Of Collectors, Either To A Temporary Storage Basin, Or To A Treatment Plant Allowing The Recovered Products To Be Treated On Site. The Operations Envisaged Within The Framework Of These Special Specifications Therefore Consist Of Control And General Maintenance Of All Of These Leachate Pumps Present On The Sites Of Anton (Andenne), Erpion (Froidchapelle), Fontilloi (Namur), Hensies, Isnes (Gembloux), Limoy (Namur), Ormont (Tournai), Chêne À Limage (Châtelet) And Mellery (Villers-La-Ville); Including Any Repair Or Replacement Operations For Said Pumps As Well As All Supplies And Installation Of New Ancillary Accessories Such As Stainless Steel Cables, Pressure Gauges, Flow Detectors, Electrical Cables, Etc. In Addition To The General Maintenance Of The Pumps Themselves, The Operations Will Also Consist Of Maintenance Of The Pumped Leachate Evacuation Network. It Will Be Requested To Replace, When Necessary, The Sections Of Hdpe Collectors, And Ancillary Accessories, Which Could Have A Useful Section That Is Too Low Due To A Significant Presence Of Deposits (Deposits Of A Ferric Nature Commonly Observed On The Mellery Site For Example). These Changes Will Be Decided By The Representative Of The Contracting Authority On The Basis Of Observations Made During The Dismantling Of The Pumps And Spot Checks Which Will Be Carried Out On The Leachate Collector Network.