Tenders Are Invited For Road Bridge Construction Work – Replacement Construction Of The Versener Ems Bridge No. 630 At Dek-Km 171,760

Road Bridge Construction Work – Replacement Construction Of The Versener Ems Bridge No. 630 At Dek-Km 171,760. The Construction Project Essentially Includes The Following Services: 1. Demolition Work • Complete Dismantling Of The Existing Steel Truss Superstructure Including Reinforced Concrete Roadway Slab • Demolition Of The Central Pillar In The Water • Partial Dismantling Of The Existing Abutments • Professional Disposal Of Polluted Materials In Compliance With The Relevant Occupational Safety And Environmental Regulations 2. Special Civil Engineering And Foundation Work • Monitoring Of Explosive Ordnance During Construction • Production Of Waterproof Sheet Pile Walls (North And South Bank) • Securing The Excavation Pit Including Temporary Anchoring (North And South Banks) • Soil Excavation Using The Wet Dredging Method (North And South Banks) • Soil Replacement Using Underwater Concrete (Contractor Method) To Create The Foundation Level (North And South Banks) • Open Dewatering (North And South Banks) 3. Engineering Construction - Substructures • Production Of Box-Shaped Reinforced Concrete Abutments With Wing Walls (Abutments North And South) • Production Of The Backfill With Drainage (Abutments North And South) • Production Of The Embankment Cones (Abutments North And South) 4. Engineering Construction - Superstructure • Production Of A Single-Span, Steel Arched Truss Superstructure With An Orthotropic Deck Slab (Pre-Assembly Using Large-Format Steel Segments On The Bridge Ramp) • Corrosion Protection Work • Floating The Superstructure Into The End Position Using A Pontoon And Spmt Or By Means Of Single-Slide / Single-Lift Method • Installation Of Elastomer Bearings • Installation Of The Transition Structures • Construction Of The Bridge Railing • Construction Of The Bridge Drainage 5. Path And Road Construction Work • Adjustment Of The Ramp Areas • Restoration Of The Drainage • Construction Of Maintenance Paths In Front Of The Abutments (North And South) • Construction Of Embankment Stairs And Railings • Guideline-Compliant Construction Of The Road Fastening And Construction Of The Caps