Tenders Are Invited For Unblocking The Pszczynka Riverbed At Km 40+100-41+050 Along With Developmentbank-Bot ... in Poland

Work Detail

The Scope Of Works Includes: • Mechanical Mowing Of Lichens From The River Slopes, Along With Raking And Placing Grass Lichens Along The Upper Edge Of The River Slopes; • Manual Mowing Of Dense Hard Lichens From The River Slopes, Together With Raking And Placing Grass Lichens In A Strip Along The Upper Edge Of The River Slopes; • Manual Cutting And Grubbing Up Of Medium-Density Bushes And Undergrowth - Manual Cutting Of Volunteer Seedlings - Clusters Up To 25 M2 Including Mechanical Fragmentation Of Branches, Bushes And Shoots, Manual Loading Of Cuttings And Removal;• Cutting Down Trees - Self-Seeding Trees With A Mechanical Saw, Along With Removal Of Logs And Branches;• Manual Mowing Of Dense Lichen From The River Bottom Along With Extraction;• Extraction Of Rooting Plants From The River Bottom (Hacking);• Demolition Of Damaged Wooden Pegs;• Earthworks Performed With Excavators Backhoe Loaders Along With The Transport Of Excavated Material - Shaping The Cross-Section Of The Stream Bed, Removing Debris, Excavation For Gabions (Left And Right Bank), Excavation For Stone Paving On The River Slopes (Left And Right Bank), Excavation For The Construction Of An Exit R • Planing The Surface (Clean Working) Of Slopes And The Bottom Of Mechanically Made Excavations; • Manual Backfilling Of Recesses Behind The Walls Water And Engineering Structures;• Walls Made Of Wood Butt-Joined With Halves - Impregnation Of Wood - Footing Of Left And Right Slopes;• Driving Retaining Pins - Impregnating Retaining Pins - Retaining Pins Nailed To The Wall With Halves At A Spacing Of 1 M (Left And Right Edge);• Topsoiling Of Slopes With Sowing - Topsoiling Of Slopes Together With Sowing (Left And Right Edges) Above The Half-Grain Wall; • Making A Band Of Gabion Baskets Made Of Ribbed Steel Rods Filled With Stone And Stabilizing With 8 Steel Rods Per Gabion - Securing The Left Foot Of The Pszczynka River Slope Over A Length Of 60 M And Securing The Right Foot Of The Pszczynka River Slope Over A Length Of 60 M, Laid On A Bed Of Gravel And On The Ground Concrete;• Pouring The Stone With Hydrotechnical Concrete - Pouring The Stone Filling The Gabion Basket With Hydrotechnical Concrete;• Making A Stone Cladding Made Of Crushed Stone On The Gabion Basket On Hydrotechnical Concrete (Water Surface Of The Basket And The Upper Surface Of The Gabion Basket - Left And Right Bank);• Making River Slope Protection With Natural Stone, Medium Stone On Slopes With Spherical Surfaces - Shore Left And Right;• Pointing Of Natural Stone;• Construction Of A Palisade From Pegs - Impregnation Of Pegs - Construction Of A Palisade On The Slopes And In The Bottom Of The River From The Upper And Lower Water At The End Of The Insurance;• Construction Of Loose Stone Riprap From The Bank With Underwater Unloading - Riprap Stone In The Bottom Of The Pszczynka River - The Area Of The Bottom Breach And The Area Of Outlets.

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