Tenders Are Invited For Extension Of The Provincial Road - Construction Of A Roundabout At The Intersection Of Wojska Polskiego, Poznańska And Wolności Streets In Boronowo Dw 905 And 907

The Investment In Question Includes The Construction Of A Roundabout At The Intersection Of Wojska Polskiego, Poznańska And Wolności Streets In Boronowo. The Following Works Are Expected To Be Carried Out As Part Of The Task: 1. Reconstruction Of The Existing Intersection Of The Provincial Road Dw 905 With The Provincial Road Dw 907 Into A Three-Entry Roundabout Intersection With The Following Parameters:• Outer Diameter Of The Roundabout - 40.00 M, • Diameter Of The Central Island - 25.00 M, • Width Of The Roundabout Road - 4.50 M, • Width Of The Ring - 3.00 M, • Width Of Inlets – 3.75 M, • Width Of Outlets – 4.25 M, • Traffic Channel 5.00 M Wide, • Reconstruction Of The Existing Intersection Of Ul. Poznańska From Ul. Powstańców Śląskich Consisting Of: Rounding The Edge Of The Road With Arcs With A Radius Of R = 8.00 M, Reconstruction Of The Sidewalk Along With A Sectional Renovation Of Its Surface Consisting Of Replacing The Concrete Cubes, Full Replacement Of The Road Surface Structure.• Pedestrian And Bicycle Paths With Pedestrian Crossings And Bicycle Crossings:• On The Southern Side Of The Intersection, A Pedestrian And Bicycle Path With A Usable Width Of 3.00 M Separated From The Road With A 1.00 M Wide Band, • On The Eastern Side Of The Intersection, A Bicycle Path With A Usable Width Of 2.50 M (2.00 M On The Bridge Structure) And A Sidewalk With A Usable Width Of 1.80 M To 2.30 M Separated From The Road With A Green Belt Or A Band, • On The Western Side, A Sidewalk With A Usable Width Of 2.10 M, • Reconstruction Of The Road, Sidewalks And Bicycle Paths Sections Preceding The Roundabout With Appropriate Widenings, Slopes And Connection To The Existing Road System, • Reconstruction Of Individual And Public Exits, • Reconstruction Of The Bridge Structure (Road Bridge), • Bringing The Adjacent Area To An Appropriate Condition After Completion Of The Works.2. It Is Planned To Build A Storm Sewage System On The Section Of The Rebuilt Intersection. The Channels Will Be Run Mainly In The Planned Green Areas, Under The Sidewalk And Under The Pedestrian And Bicycle Route. Additionally, The Following Are Planned: • Construction Of Rainwater Inlets, • Construction Of Sewage Wells, • Construction Of A Bank Outlet, • Construction Of Pre-Treatment Devices3. It Is Planned To Build A 1-, 2- And 3-Hole Sewage System Made Of High-Density Polyethylene Pipes Rhdpe Ø110/6.3 (Primary Sewage System) Using Skr-2 Type Wells At The Ends And Bends Of The Sewerage Route. The Route Of The Planned New S1-S8 Sewage System Shown In The Drawing Documentation. The Service Channel Was Designed As A Street Channel (Ktu) Or A Culvert (Ktp) Depending On The Location Of The Route (Ktp Was Designed In The Area Of ​​Intersections With Other Roads And In Places Of Exits With Increased Traffic Load).4. Construction Of Street Lighting With Energy-Saving Led Fixtures Will Be Carried Out:• Along Ul. Wojska Polskiego Up To The Concrete Bridge At Ul. Wojska Polskiego In Boronowo.• I