Tenders Are Invited For Hilling Action Plan For Bruabekken On Nøtterøy

Hilling Action Plan For Bruabekken On Nøtterøy . Description1. The Background Bridge (Also Known As Semsbekken) Is The Largest Watercourse In Færder Municipality, And An Important Spawning And Growing Area For Sea Trout. The Creek Is Characterized By Erosion, Sediment Build -Up And Reduced Water Flow Capacity, Which Presents Challenges For Both Agricultural Land And The Ecology Of The Watercourse. In 2024, Norwegian Agricultural Advisory (Nlr) Prepared A Plan With Proposals For Watercourse Measures, With An Emphasis On Agricultural Considerations (Appendix 1). The Local Cultivation Group Prepared An Overview Of Important Areas For The Sea Trout In 2018 (Appendix 2). In The Same Year, Dhi Implemented Hydraulic Model Calculations For The Pelvis Situation And Various Scenarios (Appendix 3 And 4). Water Area Horten-Larvik Now Wants To Prepare A Comprehensive Action Plan That Builds On This Work, Which Includes Updated Knowledge Of Sea Trout And Hydrology. The Plan Will Propose Synergy Measures That Have A Positive Effect On The Environmental State Of The Creek And At The Same Time Strengthen The Basis For Agricultural Operations In Nearby Areas.2. The Scope And Delivery Assignment Consist Of Drawing Up A Comprehensive Plan Of Action For Bruabekken. The Supplier Is Free To Suggest How The Work Is Organized And Carried Out, And Can Also Propose Alternative Approaches Where It Is Considered Professionally Or Practically Appropriate. It Is Expected That The Plan Includes The Following Elements: Mapping And Analysis: Updated Overview Of Important Spawning And Growing Areas For Sea Trout Based On New Mapping In Fields. Hydrophysics And Modeling And Modeling: The Necessary Measurement And The Necessary Measurements And The Necessary Measurements And The Necessary Measurement And The Necessary Measurement And The Necessary Measurement And The Necessary Measurement And The Necessary. Modeling Of The Current Situation And Simulation Of The Effect Of Proposed Measures Under Various Rainfall Conditions. Audit Of Previous Proposals: Professional Assessment And Possible Revision Of The Measures In The Agricultural Plan From 2024, With Special Emphasis On Updated Knowledge Of Hydrology And The Sea Trouts Habitats. Description Of Revised And New Measures: Supplies, Any Need For Maintenance And Follow-Up. There Will Be Assessments Of The Edge Vegetation Along Different Parts Of The Creek, With Regard To Ecological Function And Need For Restoration Or Maintenance. It Is Also Desirable With Geotechnical Assessments Of The Basic Conditions Where Measures With Extensive Terrain Changes Are Assessed, Such As The Establishment Of The Toy-Level Channel. With Implementation Order And Overview Of Estimated Costs. The Supplier Shall Have The Ability To Understand And Disseminate The Overall Function Of The Watercourse - Including The Interaction Between Hydrology, Ecology And Agriculture In The Precipitation Field. The Measures Should Be Interdisciplinary Well -Founded And Designed With The Aim Of Being Able To Achieve Broad Local Anchoring. It Is Expected Closely And Ongoing Involvement Of The Client And Other Relevant Actors - Including Affected Landowners, Local Cultivation Group, The Færder Municipality And The State Manager - Throughout The Process, For Example Through Inspections And Meetings.

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