1. 12009-03-09 Put an end to corrosion & water ingress by self-healing fully amorphous visco- elastic technological systems Solution for Risers

2. soil to air transition

3. Current problems  Ageing of existing coatings  Material stresses  Soil movement  No CP  Water level  Weldseam  Harmed by humans and/or animals

4. Ageing of bitumen coating

5. Casted in concrete: no control possible

6. Results after concrete removal

7. Weldseam corrosion under stiff tapes (tenting)

8. Mechanical damages

9. Soil movement

10. Damage caused by animals

11. Weathering conditions

12. Pipe pressure

13. Influences  Sun and rain  Moisture  Heat and cold  Pipe pressure  Pipe temperature  Soil movement  Damages by people (cutting grass)  Damages by animals

14. Critical item of pipeline network

15. Overview of STOPAQ solutions

16. Underground – Cathodic Protection

17. Soil movement

18. Impact of seasonal changes

19. Temperature changes

20. STOPAQ SYSTEM  STOPAQ ® Wrappingband CZH Standard corrosion prevention  STOPAQ ® Outerwrap PVC Standard mechanical protection  STOPAQ ® Polyester UV curing wrap material High resistance to shear and mechanical impact  STOPAQ ® Vinylester UV curing wrap material High resistance to shear and mechanical impact High chemical resistant  STOPAQ ® Outerglass Shield XT Moisture curing Polyurethane composite wrap High resistance to shear and mechanical impact  STOPAQ ® Glass Reinforced Epoxy (GRE) Fast curing composite wrap High resistance to shear, mechanical and Chemical impact  STOPAQ ® Gelcoat Improvement of UV resistance esthetici layer  STOPAQ ® Sealing tape ( vulcanizing ) Layer 1; Layer 2; Layer 3; Layer 4; Fixation;

21.  Easy and fast to apply Surface preparation only St 2/3 1-Component Material No special tools No primer  Permanently flexible No curing No degredation  Easy to cut and shape  No waste  NSF approved  High performance  Warranty 30 years STOPAQ CZH: amorphous and inert material

22. Possibilities

23. Application 1; cleaning  Excavation  Wirebrush or Blasting

24.  Apply in upward direction  Wrap with 10mm overlap  Wrap min 100mm on top of existing coating Application 2; STOPAQ Wrappingband CZH(T)

25.  PVC layer creates barrier between CZH & Glassfiber  Apply in upward direction with 50% overlap Application 3; STOPAQ Outerwrap PVC

26.  Apply mechanical toplayer in upward direction  50% overlap Application 4; STOPAQ Mechanical protection

27. Application 5; Stretch foil  Apply foil for curing  Apply about 2 layer

28.  Brush application 1c Gelcoat  Every colour is possible  Smooth surface  Chemical resistance  UV-Resistance Application 6

29. Application pictures