Negotiated Award With Public Participation Competition (Service)Asg/00/256 Engineering Services For Groundwater Monitoring 01/27-12/29 (Option 01/30-12/30 Engineering Planning And Expert Assessment Services For The Support And Evaluation Of Groundwater Monitoring Measures, In The Period From January 1St, 2027 To December 31St, 2029 (With Option To Extend From January 1St, 203...  Moreengineering Planning And Expert Expert Services For The Support And Evaluation Of Groundwater Monitoring Measures, In The Period From January 1St, 2027 To December 31St, 2029 (With An Option To Extend From January 1St, 2030 To December 31St, 2030) The Redevelopment Area Is Located On The Southwestern Edge Of The City Center Of Gießen In The Southern Area 26. In The So-Called "Fina-Parkhaus" Was A Dry Cleaner Until 1981 And A Gas Station Until 1993. The Time Of Start Of Operations Is Unknown. The Resulting Wastewater From Chemical Cleaning Contained, Among Other Things: Tetrachloroethene (Per). The Investigations Carried Out In 1993/94 Revealed Soil, Soil Air And Groundwater Contamination Worthy Of Remediation Caused By Lhkw From Cleaning Processes And Mkw And Btex From Petrol Station Operations. Between 2003 And 2023, Hydraulic Groundwater Remediation Was Carried Out In The Underground Car Park Of The Car Park. After A Lengthy Shutdown Of The Remediation Operation (From August 2023), The Recontamination Experiment Was Converted Into An Mna Measure With Accompanying Groundwater Monitoring In Coordination With The Regional Council. The Renovation Facility Was Completely Dismantled In December 2025. To Monitor The Residual Contamination, Regular Groundwater Monitoring Takes Place In Accordance With The Sampling Program Established With The Gießen Regional Council. The Services To Be Awarded Essentially Consist Of The Following Partial Services: - Familiarization With The Existing Project And The Project Documents Including On-Site Visits, Summarizing The Level Of Knowledge, Assessing The Previous Work With Regard To Necessary Optimization Measures, - Planning And Monitoring The Current Quarterly Groundwater Monitoring (If Necessary, Changing The Rhythm In Project Course), - Project Management, Quality Assurance And Public Relations, - Safety-Related Condition Checks Of The Measuring Points, - Data Management (Including In The Database System Of The Him-Asg "Gw-Manager"), - Evaluation And Documentation Of The Monitoring Measures, - Preparation And Participation In The Awarding Of Measurement, Sampling And Analysis Services. Selected Applicants Will Be Able To Find Details In The Task Description At A Later Date.