Tenders Are Invited For Surface Water Treatment Services – Replacement Of The Filtering Bed Material Of The T3 Wastewater Treatment Unit - Saint Thibault Des Vignes Treatment Unit

Surface Water Treatment Services – Replacement Of The Filtering Bed Material Of The T3 Wastewater Treatment Unit - Saint Thibault Des Vignes Treatment Unit. The Framework Agreement Will Be Executed By Issuing Purchase Orders. Services Are Regulated By Unit Prices. The Estimated Amounts Are Indicative And Include Options (Similar Services And Renewals). The Estimated Amounts Are Indicative And Include All Renewal Periods. The Purpose Of The Contract Is To Replace The Filter Bed Material Within The Anaerobic And Aerobic Filtration Cells Of The T3 Wastewater Treatment Sector. The Operation Includes In Particular: - Pumping Of The Old Material Into The Filtration Cells - Loading And Transport And Landfilling Of The Inert Aggregate. - Clear Cleaning Of The Cell Allowing Replacement Of The Nozzles - Supplies Of The 4200 Type P Nozzles + Epdm Gasket Per Filtration Unit - Dismantling Service Including The Removal Of The 4200 Nozzles (Per Filtration Unit) As A Whole With Evacuation And Placement In Public Landfill (The Installation Of A Box Dedicated To Waste Will Not Be Authorized On The Site; Evacuation Will Be In Progress At The End Of The Day) - Installation Service For The New 4200 Type P Nozzles + Epdm Seal According To Technical Description No. 2 Per Filtration Unit, Including A Tightening Torque Of 20Nm/M. - Mechanical Control By Injection Of Pressurized Water In Collaboration With The Operator - Establishment Of Logistical Means For Repatriation Of 210 Big Bags Of 1M³ (Per Cell) Of The New Filtering Material Per Cell (Big Bags Already Stored On The Station). - Injection According To The Manufacturers Technical Recommendations Of The New Filtration Material - Disposal Of Big Bags And Other Devices That Have Allowed The New Material To Be Contained In Public Landfill And Other Waste From The Construction Site As Necessary. - Daily Cleaning And Removal Of The Site