Tenders Are Invited For Repair Of The Storm Sewage System In The Area Of ​​The Intersection Of Staszica And Stefanii Pawlak Streets

1. The Subject Of The Order Is The Repair Of The Storm Sewage System In The Area Of ​​The Intersection Of Staszica And Stefanii Pawlak Streets In Łęczna.2.Investment Location: Town: Łęczna, Lublin Voivodeship. Registration Plots No.: 2964, 3302, 2581/101, 2950/5, 2950/6 (District 061003_4.0001 Łęczna). The Network Route Runs Within The Road And Adjacent Areas.3.Main Scope Of Works: The Subject Of The Order Is The Performance Of Construction And Renovation Works In The Sanitary Industry Consisting In The Renovation And Replacement Of A Damaged Section Of The Storm Sewage System. The Works Include In Particular: 1) Trenchless Renovation Of Channels Using The Modular Relining Method (Short Modules Made Of Polypropylene Pp / Polyethylene Pehd With High Peripheral Stiffness Min. Sn16) Along With Injection Of The Annular Space With Cement Slurry: A) Section S0–S1 - Renovation Of The Existing Concrete Channel Dn400 With Dz355 Modular Pipes (Internal Diameter Min. 315 Mm); B) Sections S0–S3 And S0–S4 – Renovation Of Existing Dn500 Concrete Channels With Dz450 Modular Pipes (Internal Diameter Min. 400 Mm).2) Replacement Of The Section Using The Open Excavation Method: A) Section S0–S2 – Dismantling The Old Concrete Channel And Laying A New Pvc-U Sn8 Dn200 Pipe On A Sand Bed With A Change Of Slope To Min. 5.0‰.3) Reconstruction Of The S0 Node/Central Chamber: A) Comprehensive Renovation Of The S0 Concrete Chamber (Dn1500) Including: Cleaning, Reprofiling Of Concrete Losses With Repair Mortars, Installation Of An Internal Wall Lining Made Of Pe-Hd Boards (Min. Thickness 4-5 Mm) Joined By Extrusion Welding And Making A Base Lining Made Of Acid And Abrasion-Resistant Boards Basalt.B) Execution Of Internal Cascade Connections In The S0 Node On The Inflows From The S1 Well (Riser With A Dn355 Pipe Along With The Liquidation Of The Old External Cascade) And From The S2 Well (Dn200 Inlet),C) Installation Of Systemic, Watertight Tight Passages At The Inlets And Outlets Of The Channels To The Chamber.4) Accompanying And Preparatory Works: A) Development And Implementation Of A Project For Temporary Traffic Organization For The Duration Of The Works In Road.B) Ensuring The Continuity Of Sewage Discharge By Organizing A Temporary Pump Bypass For The Time Of Shutting Down The Modernized Sewers.C) Hydrodynamic Cleaning And Carrying Out Preliminary And Post-Construction Television Inspections (Cctv) Of The Sewers.D) Full Restoration Of The Asphalt Surface After Earthworks (The Total Estimated Area Of The Surface Replacement With The Milled Part And Full Structural Base Is Approx. 170 M², Including The Full Substructure On An Area Of Approx. 20 M²) And Tidying Up Green Areas. E) Carrying Out Final Tightness Tests Using The Water (Exfiltration) Method In Accordance With The Pn-En 1610.4 Standard.A Detailed Description Of The Order Is Included In The Design Documentation, Detailed Technical Specification For The Execution And Acceptance Of Works, Bill Of Quantities Constit