Tenders Are Invited For Engineering Services – Natural Redesign Of The Werre, Us1 - Supplementary Management

Engineering Services – Natural Redesign Of The Werre, Us1 - Supplementary Management. The Cities Of Bad Oeynhausen And Löhne Intend To Design The Lower Werre From River Kilometers (River Km) 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 The First Implementation Step Has Been Completed. The Planning Approval Decision From The Minden-Lübbecke District And A Grant Notice From The Detmold District Government Are Available. The Implementation Planning Was Drawn Up And The Contracting Out Of The Essential Work For The Structural Implementation Of The Project Was Commissioned. The Work Began On September 1St, 2025. According To This Draft Construction Schedule, The Work Is Scheduled To Be Completed In July 2027. According To The Current Situation, Delays Are To Be Expected. The Work Includes Various Trades From The Areas Of Earthworks, Hydraulic Engineering, Civil Engineering And Traffic Systems. The Offer Amount Is Around €9 Million. Due To The Existing Framework Conditions, A Change Volume Of Around 10 To 20% Of The Main Contract Is Likely. This Tender Includes The Necessary Supplement Management With The Following Broadly Structured Areas Of Responsibility: • Advising The Client • Evaluation Of Supplements • Creation Of A Supplementary List Of Services And Ongoing Maintenance Of A Tracking List For Supplements • Contractual And Technical Evaluation Of Contract-Relevant Correspondence • Carrying Out Vob Compensation Calculations • Assessment Of Disruptions During Construction The Attached Construction Description Contains Detailed Information About The Content And Implementation Of The Construction Project (Appendix 1). In Addition, The Attached List Of Services (Appendix 2) Provides Information On Individual Items That Must Be Observed.