Tenders Are Invited For Architectural And Related Services – Natural Transformation Of The Lower Werre, Implementation Step 1 - Maintenance And Development Plan

Architectural And Related Services – Natural Transformation Of The Lower Werre, Implementation Step 1 - Maintenance And Development Plan. The Cities Of Bad Oeynhausen And Löhne Intend To Design The Lower Werre From River Kilometers 4.4 To 9.0 In A Natural And Flood-Proof Manner In The Area Of ​​Influence And Backwater Of The Siel Weir. The Weir Is To Be Converted Into A Bottom Slide And The Water Level Above Is To Be Lowered. The Water Profile Is To Be Widened Significantly And The Water Bottom In The Current Backwater Area Is To Be Raised. The Overall Project Is Divided Into Two Implementation Steps: - Implementation Step 1: River Km 4.4 To 5.7 - Implementation Step 2: River Km 5.7 To 9.0 The Plan Approval Process For Implementation Step 1 Has Been Completed. A Planning Approval Decision From The Minden-Lübbecke District And A Grant Notification From The Detmold District Government Are Available. The Detailed Planning Has Been Drawn Up And The Essential Work For The Structural Implementation Of The Project Has Been Awarded. The Work Began On September 1St, 2025. According To The Planning Approval Decision, A Maintenance And Development Plan Must Be Drawn Up For The Approximately 17.5 Hectare Project Area Of ​​Implementation Step 1. This Should Specify The Development Goals For Achieving The Good Condition Of The Werre And Its Floodplains And List The Detailed Measures Necessary To Achieve The Goals. According To The Construction Schedule, The Work In The Western Construction Area With The Creation Of Flat Flood Channels And Water Profiles Will Mainly Be Completed In 2026 And In The Eastern Construction Area With The Construction Of A Wide, Rough Slide In The 3Rd Quarter Of 2027. Given The Relatively Long Construction Period And The Size Of The Project Area, The Implementation Of Measures Must Begin In Individual, Already Redesigned Sections During The Construction Phase. Further Developments In The Project Area Must Be Documented And Further Developed In Close Coordination With The Authorities Involved In The Project. The Processing Time Is Expected To End At The Beginning Of 2028 After Completion Of The Entire Measure And Is Therefore Around 2 Years. In Addition To The Basic Services, Various Special Services Must Be Provided. These Require, Among Other Things, In-Depth Knowledge, Particularly In The Analysis Of Ongoing Floristic Succession Processes.