1. www.tankbau.com Jan Bremert Technical Director Tba International GmbH & Co. KG Fabersweg 1 22848 Norderstedt Germany Phone.: 01149 40 734 4090-11 Fax: 01149 40 523 6081 E-Mail: j.bremert@tankbau.com Increasing Service-Life of Cut-and-Cover Tanks by

2. Cut-and Cover Tanks of the US Forces mostly built in the 1950s Single-walled Corrosion problems Deformations caused by ground water Structural damages Operational problems

3. Internal corrosion

4. Damaged bottom weld seam

5. Deformations in Tank Bottom

6. Advantages of renewing old tanks Purchase of new property is not necessary construction permit is not required no changes in infrastructure

7. Additional Advantages of Cut-and-Cover Tanks no fire protection facilities required secondary containment outside the tank is not required less safety distance between the tanks

8. Leak Protection Lining Primary skin Interstitial space Secondary skin Structural tank

9. Option 1 Single-skin Lining Application on tank bottom and wall guarantees the tightness of the tank corrosion protection is included Used if leak monitoring is not required

10. Option 2 System is permanently monitored by leak detector device Highest level of safety and environmental protection Meets all European government regulations Is recommended by NATO and USAFE Has an Equipment Approval from Florida DEP Double-skin Lining

11. Pore Testing High Voltage Pore Test 1. Sealing with polyester resin High Voltage Pore Test 2. Sealing with polyester resin High Voltage Pore Test

12. Tank Renovation at Tank Farm Vidin, Bulgaria Main problems: Pit corrosion in the tank bottom Single-skin bottom Internal support construction for center column

13. Flexible Manufacturing Integration of pipes

14. Flexible Manufacturing Integration of columns

15. Solution for special Constructions Integration of steel constructions on tank bottom

16. Tank Renovation on US Air Base Incirlik, Turkey Main problems: Heavy Corrosion in the tank wall Pit corrosion in the tank bottom Corrosion at the tank roof Tank bottom without slope to the pump sump

17. US Air Base Incirlik, Tank 3

18. Steel fibre concrete at tank bottom

19. US Air Base Incirlik, Tank 3 Shotcrete application at tank wall

20. US Air Base Incirlik, Tank 3 Concrete wall and coating at tank roof and columns

21. US Air Base Incirlik, Tank 3 tba leak protection lining

22. Tank Reconstruction New Tank Construction cost: $ 4.5 million Restorated Tank Construction cost: $ 1.5 million

23. Tank Renovation in Arahal, Spain Main problems: Deformations in the tank bottom Pit corrosion in the tank bottom Cracks in the welding seams Heavy corrosion at the tank roof Tank bottom without slope to the pump sump

24. New concrete bottom with leak protection lining Arahal Tank 206

25. Arahal Tank 208 Just using the existing manholes No additional openings in the tank necessary

26. Arahal Tank 206 Coating of Tank Roof and Columns

27. Final conductive Coating on Tank Bottom and Wall (if required) Arahal Tank 206

28. tba Leak Protection Lining Reliable system System with low operation costs Used for more than 40 years in storage tanks acc. to standard design US Air Forces Europe No corrosion problems Long service life

29. www.tankbau.com Restoration of cut and cover tanks with Leak Protection Lining = An easy and cost-saving Way

30. www.tankbau.com Tank retrofitting and reconstruction >>> There is always a solution <<<