Tenders Are Invited For Environmental Improvement Works – Works Contract For The Creation Of Spawning Grounds As Part Of The Environmental Compensation Measures For Line 15 South Of The Grand Paris Express

Environmental Improvement Works – Works Contract For The Creation Of Spawning Grounds As Part Of The Environmental Compensation Measures For Line 15 South Of The Grand Paris Express. Creation Of Spawning And Resting Areas For Protected Species Of Aquatic Environments, As Part Of The Environmental Compensation Measures For Line 15 South: The Compensation Measure Aims To Bring Ecological Added Value To The Project Through The Following Actions: - Creation Of Helophyte Beaches On Shallow Areas Without Aquatic Vegetation, - Creation Of Wood Tunages On Deeper Sectors With The Creation Of A Diversity Of Habitats (Helophyte, Hydrophytes, Minerals); - Preservation Of Existing Spawning Grounds, - Creation Of Habitats In The Continuity Of Existing Natural Habitats On The Bank And Aquatic Grass Beds To Improve Lateral Connectivity At Low Water, - This Work Must Be Carried Out From A Barge. They Include A Preparatory Work Phase Including Pruning And/Or Felling Of Trees And Treatment Of Invasive Exotic Species. In The Works Phase, Pile Driving, The Construction Of Wooden Structures, The Transport And Installation Of Filling Materials (Earth, Sand, Gravel, Etc.), And The Transport And Installation Of Plantations Are Notably Expected.