Management of Contaminated Sites

Transcription

1 EU Strategy for the Danube Region Zagreb, Management of Contaminated Sites GW Remediation and Brownfield Revitalisation joint projects altlastenforum Baden-Württemberg and City of Stuttgart Municipality of Stuttgart Department for Environmental Protection Dr. -Ing. Sandra Vasin

2 Outline 1. Challenge 2. Approach 3. Case Study Gaswork Seidenstrasse 4. Conclusion 2

3 Outline 1. Challenge 3

4 City of Stuttgart in-between forests and vineyards 4

5 Stuttgart has 207 km² and 590,000 inhabitants

6 Altlast Öl Epple Potentials commercially used: contamination? 6

7 Outline 1. The Challenge 2. Approach 3. Case Study Gaswork Seidenstrasse 4. Conclusion 7

8 ISAS: Geografical Information System of Contaminated Sites Stuttgart 1915 remain in register 1084 investigation 45 remediation 46 monitoring 1175 sites need action, thereof 192 municipal 8

9 Outline 1. The Challenge 2. Management of Contaminated Sites 3. Case Study Gaswork Seidenstrasse 4. Conclusion 9

10 ISAS clinical complex Stuttgart-West former gasworks site Seidenstraße 10

11 former gasworks site Seidenstraße Management of contaminated sites allways starts with historical investigation 11

12 Quelle: Neckarwerke Stuttgart AG Gaswork,

13 13 groundwater monitoring wells and 56 micro drillings were performed within detailed investigation

14 evaluation of technical, organisational and other soft aspects cost comparison Optimal remediation method was selected within remidial planning 14

15 The tent was suitable safety measure for the surrounding 15

16 Excavation was performed under a tent with safety measures 16

17 The clinical complex Stuttgart-West today 17

18 Total costs for management of contaminated sites Costs for investigation [historical, preliminary, detailed investigation and remedial planning] 308,000 Costs for remediation 3,111,000 TOTAL 3,400, /m 2 Total costs for building TOTAL 130,000,000 Costs for contaminated site management are < 3 % in relation to building costs 18

19 Outline 1. The Challenge 2. Management of Contaminated Sites 3. Case Study Gaswork Seidenstrasse 4. Conclusion 19

20 Brownfield revitalization is teamwork

21 Future projects Joint project Brownfield Revitalisation [urban planning, brownfields, remediation] Project partners: State Capital of Stuttgart, Stuttgart, Germany altlastenforum Baden-Württemberg, Germany Croatia? CENTRAL EUROPE A comprehensive approach to mitigate the impact of groundwater contamination in urban areas Project partners: Central Mining Institute (GIG), Katowice, Poland State Capital of Stuttgart, Stuttgart, Germany City of Jaworzno, Poland Municipality of Parma, Italy Parma University, Italy City Nový Bydžov, Czech Republic Technical University of Liberec, Czech Republic Croatia? sandra.vasin@stuttgart.de 21

22 altlastenforum Baden-Württemberg e.v. founded in 1997 as a registered scientific-technical association currently approx. 350 members: consultants, public administration, municipalities, industry, lawyers, problem owners, private persons active in soil and groundwater protection and brownfield revitalization working groups and main topics: innovative site assessment, remediation and monitoring technologies exchange of know-how and experiences in remediation contaminants in buildings analytical methods brownfield management european activities public relations organization and promotion of experts meetings and technical seminars aiming at know-how transfer statements to bills and technical guidelines initation and promotion of the brownfield Best Practice Award Baden-Württemberg