Tenders Are Invited For Demolition And Construction Of A Road Bridge Over The Niechwaszcz Canal In Mokre

1. The Subject Of The Order Are Construction Works Consisting In The Demolition Of The Existing Bridge And The Construction Of A New Bridge Structure In The Same Place. The Scope Of Work Includes, Among Others: A) Securing And Marking The Construction Site, Closing The Forest Road With A Barrier; B) Demolition Of The Existing Bridge (Balustrades → Road Surface → Deck Slabs And Concrete Overhangs → Prefabricated Reinforced Concrete Slabs → Reinforced Concrete Girders → Concrete Abutments With Foundation); C) Cleaning The Bed Of The Niechwaszcz Canal From Remaining Elements Of The Bridge; D) Driving 16 Wooden Piles Ø 300 Mm (D30 Oak) To An Elevation Of ~124.50 M Above Sea Level; E) Cutting The Pile Heads To 131.00 M Above Sea Level; F) Installation Of Caps 400 × 300 Mm (C30 Larch, M20 Pins); G) Construction Of The Front Walls Of The Abutments - Palisade Of Wooden Dowels Ø 200 Mm L = 3.0 M + Square Timber 250 × 300 Mm (C24 Impr. Larch); H) Installation Of Epdm Insulation Within The Abutments And End Walls On The Side Of The Inruns (To A Depth Of ~1.5 M); I) Assembly Of 6 Longitudinal Girders 200 × 300 Mm (C30 Larch, M16 Pins); J) Laying The Bottom Strip 100 Mm (Screws Ø 10 × 200 Mm); K) Laying The Upper Plank 50 Mm (Screws Ø 8 × 100 Mm); L) Installation Of Wooden Balustrades (Posts, Handrails, Filling Boards); M) Arrangement Of Gabion Mattresses Thick 23 Cm At The Bottom Of The Channel (2 × 10.0 × 2.5 M, Field Stone); N) Reconstruction Of Access Roads Made Of Aggregate 0–31.5 Mm, I_S ≥ 0.97 Along With The Foundation Structure; O) Recultivation Of The Construction Site, Reconstruction Of The Forest District Barriers. 2. The Planned Investment Is Located Near The Town Of Mokre, Along A Forest Road In The Pomeranian Voivodeship, In The Chojnice Poviat, In The Czersk Commune, On Plots No.: 220204_5.0017.545; 220204_5.0017.3085/2; 220204_5.0017.3086/2; 220204_5.0017.3101; 220204_5.0017.31023. The Reinforced Concrete Bridge Is To Be Demolished. The Existing Bridge Is Made Of Prefabricated Elements, I.E. Two Concrete Girders On Which Concrete/Reinforced Concrete Slabs Are Placed And Concrete Supports. The Length Of The Existing Structure Is 6.8 M And Its Width Is 4.50 M. The Existing Bridge Is A Single-Span Structure With A Beam And Slab Structure. The Bridge Span Is Based On Concrete Abutments With Wings Located Parallel To The Road Axis, Which Are Probably Placed Directly. Traffic In The Facility Is Protected By Steel Balustrades. Drainage Of The Surface And Road Body Is Carried Out On The Surface To The Adjacent Area.4. Due To Its Poor Technical Condition, The Existing Bridge Should Be Demolished. The Construction Site Must Be Fenced And Inaccessible To Persons Not Directly Employed In The Demolition Of The Facility. Demolition Works Should Be Carried Out In Accordance With General Occupational Health And Safety Regulations And Those Applicable To Construction, Assembly And Demolition Works. Materials From Demolition Should Be Treated As Waste And Dispo