Tenders Are Invited For Construction Of An Integrated Network Of Pedestrian And Bicycle Paths In Zalewo

1. The Subject Of The Order Is The Construction Of An Integrated Network Of Pedestrian And Bicycle Paths In The Town Of Zalewo. The Scope Of The Intention Includes: 1) Construction Of A Fragment Of A Pedestrian And Bicycle Route With A Footbridge Over The Trumpina River, 2) Construction Of A Pedestrian And Bicycle Path Along Tartaczna, Kolejowa, 29 Stycznia And Żeromskiego Streets In Zalewo. 1) Construction Of A Fragment Of A Pedestrian And Bicycle Route Along With With A Footbridge Over The Trumpina River. The Scope Of Works Includes The Construction Of: A) A Pedestrian And Bicycle Footbridge Constituting A Continuation Of The Designed Communication Routes Over The Trumpina River. Footbridge 10.5 M Long, 4 M Wide. Reinforced Concrete Abutments, Thickness: Front And Side Walls 25Cm. Side Walls With A Length Of 100 Cm Beyond The Face Of The Front Wall. Bearing Beam With Dimensions 120X90cm. Foundation Of Abutments Using Pipes Ø508/12.5Mm And Length. L=7.35M. Piles Filled With Concrete 2 M From The Top, Along With Pile Reinforcement. The Remaining Part As A Soil Plug And Backfill With Sand And Cement 1:4 (In The Absence Of Filling With Soil To The Elevations Of The Concrete Plug. 3 Piles / 1 Abutment Were Assumed. Supporting Structure Of The Footbridge In The Form Of Load-Bearing Main Profiles As Heb500 Steel Beams And Crossbars Made Of C200 C-Sections . Weld The Upper Plates Of Steel Bearings To The Lower Shelves Of The Girders From The Bottom. Transverse Wooden Logs 20X30 Cm Were Designed On The Load-Bearing Profiles With An Axial Spacing Of Approximately Every 0.5 M. A Lower Plank Should Be Made On Them In The Form Of A Full Longitudinal Deck Of Square Timbers 20X10 Cm (Maintaining A Gap Between 1 Cm Wide Square Beams), Fastened To Transverse Logs. On The Square Beams, A Tangential Upper Plank Should Be Made In The Form Of A Deck Made Of 5 Cm Thick Boards. Wooden Balustrades On Both Sides, 1.1 M High. Wood For The Footbridge Elements - Oak Class D24. Area In Front Of The Abutments From The Water Side, It Should Be Reinforced With A Lining Of 10 Cm Thick Meba Boards, Made On A 30 Cm Thick Gravel Mattress Wrapped In Filter Geotextile. Fill The Holes In The Slabs With Topsoil And Sow Grass. B) Pedestrian Path And Bicycle Path. In The First Stage, The Section From The First Stage Will Be Completed. Boulevard At The Lake Ewingi For The Design Of A Footbridge With Branches To Dw No. 519 With A Total Length Of 238.50 Meters. The Communication Routes Were Designed In The Form Of Integrated Pedestrian Routes, I.E. A 2 M Wide Pedestrian Route With A Parallel 1.5 M Wide Bicycle Path (The Total Width Of The Sidewalk And Bicycle Path Is 3.5 M). The Surface Is Separated With Concrete Retainers, Maintaining The Slopes Of The Surface. A Route With Local Narrowing In The Event Of A Collision With Existing Trees In The Area (Up To 3.0 M According To The Graphic Part Of The Study). Gravity Drainage Of Rainwater Into The Ground. In The Vicinity Of The Route, It Is Planned To Install Small Architectural Elements In The Form Of 6 Single Benches, 2 Sets Of Garbage Bins, One Bicycle Rack And 2 Educational Boards (T5 And T7). Balustrades Made Of Steel Bars With Wooden Handrails Have Been Designed Within The Footbridge, I.E. Near The Pedestrian Path And On The Retaining Walls At The Approach To The Bridge. The Steel Ropes Will Be Embedded In System Terminals With Internal Thread Made Of Stainless Steel. Details Regarding The Anchoring Method Depend On The Adopted System (As Indicated By The Manufacturer). The Ordering Party Does Not Specify The Tension Force Of The Ropes (The Balustrade Must Fulfill Its Function In Terms Of Aesthetics, Functionality And Safety). Detailed Technical Parameters: - Length Of The Footbridge: 10.50 M, - Width Of The Footbridge: 4.00 M, - Area Of ​​The Footbridge: 42.00 M2.- Area Of ​​Pedestrian Routes (Made Of Washed Concrete Slabs 60X20cm) Thickness. 6 Cm - 572.99 M2 - Area Of ​​Bicycle Routes (With A Surface Made Of Mineral-Bituminous Mixtures) - 556.00 M2 - Balustrades Made Of Steel Bars With Wooden Handrails - 108.50 M2 - Height Of Retaining Walls Varies Depending On The Height Of The Embankment (Hmax =2.3M). A) Length Of The Wall With A Height Of 2.3 M - 50 M. B) Length Of The Wall With A Height Of 1.0 M - 30.5 M.2) Construction Of A Pedestrian And Bicycle Path Along The Streets Of Tartaczna, Kolejowa, 29 Stycznia And Żeromskiego In Zalewie. The Scope Of Works Includes: Construction Of A Pedestrian And Bicycle Path With A Length Of 2,112.50 M, Construction Of A Road Culvert With A Diameter Of 400 Mm And Length 10.0 M, Reconstruction Of Existing Individual And Public Exits And Construction Of A Rainwater Drainage System At Km 1+520 To 1+611. The Surface Of The Pedestrian And Bicycle Route Will Be Made Of A 3 Cm Thick Ac8s (50/70) Mineral And Asphalt Mixture Placed On A Binding Layer Of An Ac11w (35/50) Thick Mineral And Asphalt Mixture. 4 Cm. The Bituminous Layers Will Be Laid On A Base Base Made Of 0/31.5 Mm Crushed C50/30 Aggregate, Mechanically Stabilized, Thickness. 15 Cm Laid On A Layer Of Soil Stabilized With Cbgm C1.5/2 Cement, Thickness. 15 Cm. Depending On The Location In Relation To The Edge Of The Road Of The Provincial Road, The Pedestrian And Bicycle Path Will Be Limited On Both Sides By A Concrete Edge 8X30 Cm, And In The Case Of Location At The Edge Of The Road It Will Be Limited By A Concrete Road Curb 15X30 Cm On A Concrete Footing With Resistance. The Path Beyond The Perimeter Will Be Bordered By A Lawn. Concrete Edges And Curbs Will Be Placed On A Concrete Footing With C12/15 Class Concrete Support. The Connection Between The Curb And The Road Surface Should Be Secured With Bituminous Sink Compound. The Existing Entrances To The Property Were Designed With A Bituminous Surface On A Base Of 0/31.5 Mm Crushed C50/30 Aggregate, Mechanically Stabilized, Thick. 20 Cm On A Layer Of Soil Stabilized With Cbgm C1.5/2 Cement, Thickness. 15 Cm. Concrete Curbs 15X22 Cm On Exits Set At A Height Of +3 Cm From The Existing Bituminous Road Surface. Change The Height Of The Curb On Exits Using An Inclined Curb 30/22X15 Cm. The Slopes Are Designed With Ac8s Mineral-Asphalt Mixture. 3 Cm. In Connection With The Planned Pedestrian And Bicycle Path, The Existing Culvert At Km 13+432.6 Will Be Extended With A Pipeline Made Of Plastic Pipes With A Diameter Of 400 Mm And Ring Stiffness Sn8. Length Of The Culvert: 10.0 M. The Culvert Will Be Laid In The Existing Road Ditch With A Slight Correction In Terms Of Height Adjustment After Removing The Topsoil Layer And Making A 20 Cm Thick Sand Bedding. Detailed Technical Parameters: - Length: 2112.50 M - Width: 3 .00–3.50 M- Area: 7,312.50 M2.2. The Contractor Is Obliged To Include In The Investment Costs The Necessary Preparatory Works (I.E. Surveying Services And Introducing The Necessary Marking Of The Works For The Sake Of Road Traffic Safety) And Cleaning Works (Including Cleaning The Construction Site, Removing Residues Generated During The Task, And Waste Disposal). . Demolition Materials Suitable For Reuse Will Be Delivered To The Place Indicated By The Ordering Party).3. The Detailed Scope Of Works Was Specified In The Design Documentation: Construction And Executive Designs, Traffic Organization Designs, Technical Specifications For The Execution And Acceptance Of Construction Works, And In The Bills Of Quantities For Construction Works. This Documentation Constitutes Annex No. 8 To The Swz.