Tenders Are Invited For River Regulation And Flood Control Works – Construction Of The Left Embankment Of The Biała River At River Km 6+600-8+345 People. Koszyce, Town Of Tarnów - Stage Iii Construction Works

River Regulation And Flood Control Works – Construction Of The Left Embankment Of The Biała River At River Km 6+600-8+345 People. Koszyce, Town Of Tarnów - Stage Iii Construction Works. A. Description Of Construction Works: 1. Construction Of The Left-Side Embankment Of The Biała River In The Area Of The Koszyce Estate In The Form Of An Earth Embankment And A Boulevard/Reinforced Concrete Wall, Along With The Construction Of Facilities Functionally Related To The Flood Protection Structure, Such As: Embankment Culverts, Slope Stairs And Drainage At The Foot Of The Air Slope A) The Construction Of The Earth Embankment Will Consist In: - Construction Of A Flood Embankment Of A Height Up To 5.5 M, Total Length 1357 M, Crown Width 4.0 M - Construction Of A Shelf On The Slope On The Section At Km 1 + 270 - 1 + 690 - Reinforcement Of The Water Slope With Bio-Textile Laid On A Layer Of Fertile Soil, Thickness 15 Cm Covered With Humus Thick. 5 Cm - Strengthening The Water Slope In The Form Of Mesh And Stone Mattresses, Thickness. 30 Cm On Geotextile - Strengthening The Air Slope By Topsoiling And Sowing Grass Mixture - Strengthening The Air Slope In The Form Of Mesh And Stone Mattresses Thick. 30 Cm On Geotextile - Sealing The Embankment Body With A Geomembrane Placed On The Side Of The Water Slope Of The Embankment + Sealing The Ground With A Cement-Bentonite Barrier Using Cdmm Technology At The Depth. 4.5 M (Except For Sections Where Utilities Networks And Embankment And Dry Culverts Run, Where The Ground Will Be Sealed Using The Jet-Grouting Method - Laying A Net To Protect The Embankment Against Digging By Animals. The Net Will Be Made On The Waterside Slope Of Galvanized Steel Wire With A Minimum Diameter Of 2.5 Mm And Mesh Dimensions Of 5X5 Cm, Attached With Steel Pins Of A Minimum Length Of 30 Cm. B) The Construction Of The Boulevard/Wall Will Consist In The Construction Of A Monolithic Reinforced Concrete Structure With Expansion Joints Secured With Stone Cladding Over A Total Length Of 346 M. C) Construction Of Facilities Functionally Related To The Construction Of The Embankment: - Dry Culverts - 3 Pieces - Made Of Pipelines With A Diameter Of 600 Mm. The Inlet And Outlet Are Secured With Prefabricated Reinforced Concrete Docks. In Front Of The Inlet And Behind The Outlet, The Area Was Designed To Be Strengthened With Stone Riprap. 20 Cm. A Sparse Grate Will Be Installed On The Inlet Dock. A Check Valve Will Be Installed On The Outlet Dock. - Reconstruction Of The Road Ditch By Construction Of A Culvert With Reinforcements - 1 Pc. - Piecemeal Removal Of The Ditch Bed And Construction Of A New Section Of The Ditch Along With The Construction Of An Embankment Culvert - 1 Pc. - Embankment Crossings - 3 Pcs. - Construction Of Embankment Crossings: Solid Road Slabs 3.0 M Wide + 2X0.5 M Shoulder, Except For The Crossing At Km 1+695 Where The Surface Was Designed With Asphalt Concrete. - Maneuvering Areas - 6 Pcs. - Maneuvering Areas Should Be Constructed At The Ends Of Roads And In Critical Places To Enable Safe Operation Of The Embankment Both During Normal And Flood Conditions. - Technological Roads With A Total Length Of 1,275 M - Road Structure: Gravel Surface, Thickness 3 Cm On A Geogrid Foundation Thick. 15 Cm Filled With Gravel On Geotextile And Compacted Substrate. Width