Tenders Are Invited For River Regulation And Flood Control Works – Contract For Ordinary Maintenance Works, Small Repairs And Cleaning To Be Carried Out On Non-Navigable 1St Category Watercourses In The Sub-Basins Of The Meuse Upstream, The Lesse And The Sambre

River Regulation And Flood Control Works – Contract For Ordinary Maintenance Works, Small Repairs And Cleaning To Be Carried Out On Non-Navigable 1St Category Watercourses In The Sub-Basins Of The Meuse Upstream, The Lesse And The Sambre. The Purpose Of This Contract Is Small Repair, Repair And Cleaning Work To Be Carried Out Over A Period Of One Year On All First Category Watercourses Managed By The District Of Namur And Forming Part Of The Hydrographic Basins Of The Sambre, The Meuse Upstream And The Lesse. The Works Are Located In The Provinces Of Namur, Luxembourg And Hainaut. All Work, Supplies And Costs Not Included In The Special Specifications Or On The Plans, But Deriving Directly Or Indirectly From Those Described In The Special Specifications Or In Its Annexes, Such As Miscellaneous Costs, Safety And Signaling Measures, Replacement Of Defective Supplies, Restoration Of Works Within The Warranty Period, Etc. Are Included In This Company. The Work Consists Of One-Off Interventions And Concerns The Following Operations: Vegetation Management Work • Dangerous Pruning And Felling • Maintenance Of Bank Vegetation (Felling, Pruning, Grubbing, Clearing) • Planting And Cutting Work • Fight Against Invasive Plants Watercourse Maintenance Work • Cleaning And Cleaning Of Watercourses • Removal Of Ice Jams • Removal Of Waste And Debris Earthworks And Materials Management • Earthworks (Backfills And Excavations) Ecological Developments And Plant Techniques • Construction Of Works Using Plant Techniques (Combs, Semi-Permeable Groynes, Fascinages, Vegetated Boxes, Living Mats) • Developments For The Improvement Of Habitats, Spawning Grounds Or Hydraulic Annexes To Watercourses Masonry Work And Hydraulic Works • Demolition Of Concrete And Concrete Structures Masonry • Construction Of Re-Enveloping Of Formed Concrete Structures • Construction Of Reinforced Concrete Structures • Masonry Work • Maintenance And Repair Of Small Hydraulic Structures Protection Of Banks And Riprap • Protection And Repair Of Banks Occasionally By Laying Raw Riprap • Construction Of Riprap In Parallel-Faced Riprap Coupled With Parallel Faces Hydraulic Management And Temporary Devices • Construction Of Cofferdams • Water Management