Tenders Are Invited For Renovation Of The Bridge Over The Warta River Along Dp 1002S In The Town Of Łęg, Commune. Kruszyna.

The Subject Of The Order Is The Renovation Of The Bridge Over The Warta River Along Dp 1002S In The Town Of Łęg, Commune. Kruszyna. Basic Technical Parameters Of The Investment: Due To The Poor Technical Condition Of The Facility, As Well As The Failure To Meet Applicable Guidelines Regarding The Technical Conditions To Be Met By Road Engineering Structures And Their Location, As Well As Regarding Hydraulic And Hydrological Calculations, It Is Necessary To Renovate It To Meet The Above Requirements. The Location Of The Bridge Will Remain Unchanged. The Current Technical Condition Of The Bridge Structure: The Bridge In Question Is A Five-Span Structure With A Mixed Static Scheme. The Spans Between The Axes Are Continuous And Simply Supported Beams. The Supporting Structure Is A Grid Of Steel Beams Braced Transversely Using Steel Sections. Steel Elements Have Contamination And Corrosion, Especially At The Connection With The Bearings And Wooden Beams Of The Platform. The Platform Consists Of Square Timbers Arranged In A Cut, On Which A Bituminous Surface Is Laid. The Platform Is Supported By Wooden Crossbars. Due To The Lack Of Proper Drainage, There Are No Longitudinal Slopes. The Facility Has Steel Bearings Embedded In Concrete In The Bearing Footings. The Abutments And Pillars Are Made Of Reinforced Concrete. The Facility Has Steel Barrier Handrails. The Facility Has A Bituminous Surface. The Walkway For The Staff Is Made Of Ribbed Sheet Metal Attached To The Wooden Elements Of The Platform. Technical Parameters Of The Existing Bridge - Width Of The Bituminous Road - 3.78 M - Usable Width Of The Sidewalk - 0.73 M - Transverse Fall Of The Road - One-Sided 1.8% - Transverse Fall On The Sidewalk - 3.0% - Longitudinal Fall - 0-0.2% - Total Length Of The Supporting Structure - 77.9 M - Total Width Of The Structure - 6.90 M - Total Length Of The Structure Including Abutments - 82.91 M - Angle Of Intersection Of The Axis Of The Facility On The Warta River - 90 O The Scope Of Renovation Works Includes: • Replacement Of The Bituminous Surface On The Facility And On The Access Roads For A Length Of 50 M, • Replacement Of The Checker Plate On The Sidewalk And Wooden Elements Of The Sidewalk, • Disassembly Of The Barrier Railing With Preservation For Reassembly, Replacement Of Damaged Barrier Rail Elements, Replacement Of Barrier Rail Connectors With New Ones Made Of Steel Stainless Steel, • Replacement Of The Wooden Platform With Steel Fittings, • Cleaning And Anti-Corrosion Protection Of The Main Girders On Site By Placing Them Aside On The Cap, • Replacement Of Bearings With New Ones, • Extension Of Bearing Blocks With A Slope, • Replacement Of Gullies, • Demolition Of Slope Reinforcements On The Access Roads To The Facility, Widening Of The Ground Shoulders On The Access Roads And Reconstruction Of The Slope Reinforcements Using Material From Demolition, Load-Bearing Structure The Load-Bearing Structure Is The Existing Grid Made Of I450 And I550 Steel B