Request For Expression Of Interest For Technical Feasibility Study For The Mechanical Cleaning Of Gbaga Channel And Restoring These Ecosystems Associated

Request For Expression Of Interest For Technical Feasibility Study For The Mechanical Cleaning Of Gbaga Channel And Restoring These Ecosystems AssociatedWork Freedom Homeland Fraternity Justice LaborMinistry Of Environment Ministry Of Living Environment Sustainable Development And And Sustainable DevelopmentGlobal Environment Donate For The Preparation And Implementation Of The Investment Project Resilience Coastal Zone In West Africa Both Countries Intend To Use Part Of Their Funds To Eligible Payments Under The Contract For The Technical Feasibility Study Of The Mechanical Cleaning Of The Channel Gbaga And Restoration Of These Associated Ecosystems Specifically This Study Should Enable The Rehabilitation Of The Channel Gbaga Mechanical Cleaning And Restoration Of Associated Ecosystems The Study Will Take Into Account All River Lagoon System And Clearly Demonstrate How The Flushing Action At The Level Of The Channel Gbaga Will Be Influenced By The Rest Of The Drainage Network System The Study Should In Particular Take Into Account The Dam Management Mode Hydroelectric Nangb to The Consultant Will Analyze The Extent Of Interventions In Relation To All The River Lagoon System The Area Of Influence Will Include The Channel Gbaga Site Cleaning Activities The Lower Part Of The Mono River In Grand Popo Lake Boko Zowla And Lake Togo And The Surrounding Areas Where The Influence Of Activities And Impacts Direct And Indirect Work To Be Done Can Be Felt Consulting Services Services Include Determine Hydrology And Sediment Transport In The River System Consists Of The Gbaga Channel The Bottom Of The Mono River In Grand Popo Observe The Regime Associated With The Management Of The Hydroelectric Dam Nangbeto Lake Boko Zowla And Togo Lake Measuring Stations Will Be Installed For This Purpose Realize The Bathymetry Of The Lake By Integrating Related Areas The Lower Part Of The Mono River In Grand Popo Togo Lake And Lake Boko Zowla Perform Hydrological Modeling Of River System In Normal And Extreme Situations Frequent Floods Reference Floods And Drought Perform Hydraulic Modeling And Flood Hazard Mapping For Different Return Periods In The Current Situation For The Whole Of The Area Of Interest And Identify Flood Sensitive Areas Of Project Intervention Area Overflow Points Determined By Field Measurement Type And Volume Of Sediment To The Intervention Area Eg Coring Mesh Identify And List The Areas Of Filling Channel Gbaga To Make Cleaning Object Perform Hydraulic Modeling Before After Cleaning To Check The Impact Of The Proposed Works On The Level Of Hazard With Different Volumes Withdrawn Scenarios Propose An Intervention Scheme May Allow The Temporary Migration Of Species Restricted To The Water During The Work Make Proposals To Limit To The Strict Minimum Spaces To Accommodate Cleaning Equipment Propose And Analyze For Each Zone Intervention Options Confirm The Technical Feasibility And The Interest Of The Sub Project Of Cleaning The Area Describe The Equipment To Be Used For Work Clarify The Future Potential Of Sediment According To Their Quality Characteristic Physicochemical Reusability For Any Activity Physical Characterization Of Sediments Relevant Physical Chemical Analyzes To Identify Potential Pollution Following The Activities Present On The Watershed Identify And Classify Sectors Banks Riparian To Be Recovery Operation

Refer document