1. S URE FIT ® / R.TEC ® CLOSE-FIT-LINER AGRULINE

2. CONTENTS  Introduction – current situation  Production  Installation  Advantages  Quality assurance  Summery and conclusion Introduction Production Installation Advantages Quality assurance Summery and conclusion

3. THE AGE OF SEWAGE SYSTEMS  Case study in Germany  ⅓ of the sewage systems are older than 50 years Source: DWA-survey 2004 “Condition of sewers in Germany” 31% 39% 18% 12% < 25 years 26 - 50 years 51 - 100 years > 100 years Introduction Production Installation Advantages Quality assurance Summery and conclusion

4. LOST VALUES Loss of potable water in piping systems  Up to 45 % loss before it reaches the consumers  Billions of m³ potable water get lost  Summing up: immense costs  High demand for renovation and relining! Pipe linesUsageLoss of potable water [km][mio. m³][%][mio. m³] Italy294,0005,10238 - 453,500 France825,0006,27620 - 222,000 Germany500,0005,40908 - 151,000 Great Britain409,8207,05415 - 161,500 Source: AGICI 2007 “The benefits of pipeline innovation“ Introduction Production Installation Advantages Quality assurance Summery and conclusion

5. FACTORY PRE-FORMED PIPE  Increasing importance of trenchless methods  Fast & easy installation  Sustainable & environmentally friendly  Long-lasting systems (+100 years)  AGRU developed a factory folded PE 100 pipe suitable for close-fit-lining  Conventional PE 100 pipe is folded right after extrusion  Installation according to r.tec ® close-fit-process  Reduced cross section enables insertion into old pipe  Round cross section is restored by steam and pressure Introduction Production Installation Advantages Quality assurance Summery and conclusion

6. PRODUCTION & MORE THE CLOSE-FIT-LINER MADE BY AGRU

7. PRODUCTION AND DEFORMATION  Extrusion of a conventional pipe - high quality PE 100 used  Deformation into a U-shape - reduction of cross-section  Coiled onto reels Introduction Production Installation Advantages Quality assurance Summery and conclusion

8. STORAGE AND TRANSPORTATION  Length on the reel between 100 m and 1000 m (depending on the OD of the liner)  Reel:  Ø 3.2 m | w 2.3 m ca. 700 kg  Size of reels has to be considered for transport!  Reels are property of AGRU and must be returned! Introduction Production Installation Advantages Quality assurance Summery and conclusion

9. INSTALLATION & MORE FURTHER INFORMATION ON

10. INSTALLATION  The close-fit-liner is inserted into the old pipe through existing manholes or small installation pits  The liner is pulled into the existing pipe by a winch  Re-deforming with steam and pressure  Cooling down of the SureFIT ® under pressure to ensure a close-fit position Introduction Production Installation Advantages Quality assurance Summery and conclusion

11. THE MEMORY EFFECT  Above 80 °C the memory effect is activated … 2 h - 120 °C Round shape restored! Introduction Production Installation Advantages Quality assurance Summery and conclusion

12. INSTALLATION  Installation lengths limited by the reel capacity which depends on the SureFIT ® diameter and SDR  DN 80 → > 1000 m  DN 400 → ~ 111 m Introduction Production Installation Advantages Quality assurance Summery and conclusion

13. JOINING TECHNOLOGY  Secure joining technology by welding  Electro-socket welding  SureFIT ® has different measurements than standard pipes (e.g.: SureFIT ® DN 150 → standard pipe OD 160)  Special welding procedure with expander required!  Welding is only applicable when the round cross-section is fully restored! Introduction Production Installation Advantages Quality assurance Summery and conclusion

14. JOINING TECHNOLOGY Fittings:  For most dimensions standard e-couplers are suitable.  Some DN require special transition fittings. DNStandard PE pipe E- Coupler [mm] 100110Transition 125 Standard* 150160Transition 200 Standard* 225 Standard* 250 Standard* 300315Transition 350355Standard* 400 Standard* * Standard PE electro-coupler Introduction Production Installation Advantages Quality assurance Summery and conclusion

15. JOINING TECHNOLOGY  Step 1: Preparation of expander, e-couplers, SureFIT ®  Step 2: Positioning of all parts  Step 3: Closing the gap between SureFIT ® and e-coupler by using the expander  Step 4: Welding the e-coupler Standard e-coupler Transition e-coupler Introduction Production Installation Advantages Quality assurance Summery and conclusion

16. LOTS OF ADVANTAGES SUREFIT ® OFFERS

17. APPLICATION RANGE Cross section shapes  Circular█  Non-circular█ Installation conditions  Bends up to 15°█  Bends up to 30°█  Dimension change█  House connections█ Media  Municipal sewage█  Process water█  Natural gas█  Potable water█  Industrial sewage█  Mineral oil█ █ suitable █ suitable in certain cases █ not suitable Introduction Production Installation Advantages Quality assurance Summery and conclusion

18. SYSTEM ADVANTAGES  Rehabilitation of any kind of damaged pipeline  Concrete, steel, cast iron, stoneware, PVC, …  Cracks, holes, leaking connections, corrosion, ingrowths, …  Advantages compared to other rehabilitation methods  No or little excavation, thus no disruption of traffic or nature  No removal of old pipe  Rapid progress, thus short downtimes  Minimal reduction of cross section  Smooth surface & good flow characteristics  Cost effective and excellent overall economic efficiency Introduction Production Installation Advantages Quality assurance Summery and conclusion

19. SYSTEM ADVANTAGES  Designed to bear entire load (not dependent on old pipe)  Pressure resistance equals PE 100 pipes All advantages of PE 100 are applicable:  Permanent leak-proof and long durability (+100 years)  Low weight & high flexibility  Easy installation and secure joining technology (welding)  Earthquake proof and insensitive to settlements  No corrosion and good chemical resistance  Excellent abrasion resistance  Smooth surface, thus low flow resistance  No ingrowths of roots  High resistance to slow crack growth Introduction Production Installation Advantages Quality assurance Summery and conclusion

20. DELIVERY PROGRAMME  Standard products  Natural gas (black with orange stripes) from DN 80 mm – DN 400 mm SDR 17; max. 6 bar  Potable water (black with blue stripes) from DN 80 mm – DN 400 mm SDR 17; max. 10 bar  Sewage (black) from DN 150 – DN 400 mm SDR 26; max. 6.3 bar from DN 350 mm – DN 400 mm SDR 32; max. 5 bar  On request  PE 80 yellow  PE 100 orange  PE 100 blue Introduction Production Installation Advantages Quality assurance Summery and conclusion

21. QUALITY ASSURENCE SUREFIT ® PUT TO TEST

22. STANDARDS AND APPROVALS  Manufactured according to international standards  EN 14408-3 / EN 14409-3 / EN 13566-3  3.1- certificate (EN 12204)  Confirmation of quality for each production lot  DVGW-approvals  According to GW 335-A2 for natural gas and potable water (SDR 17)  Third party inspections  High quality is documented Introduction Production Installation Advantages Quality assurance Summery and conclusion

23. SOPHISTICATED INVESTIGATIONS  Key question Does the deformation and installation process have an influence on the lifetime?  Funded research project at the PCCL  Comprehensive and systematic investigations  Comparison of regular PE 100 pipe and SureFIT ®  Final conclusion by PCCL “The obvious reduction of internal stresses and hence the increased resistance to crack initiation and slow crack growth do even present a clear improvement compared to a conventional pipes, underlining the reliability of pipe systems installed in such way.” Introduction Production Installation Advantages Quality assurance Summery and conclusion

24. SUMMERY AND CONCLUSIONS

25.  All advantages of PE 100 and PE-pipes are applicable  Comprehensive supply programme adjusted to inner diameter of old piping systems  High quality ensured due to internal and external inspections, i.e. documented with DVGW-approval  Research project showed improved long-term behaviour compared to standard (round) PE 100 pipes (+100 years)  Several projects proved suitability in real applications The SureFIT ® / r.tec ® close-fit-liner, installed according to r.tec ® close-fit-process, ensures sustainable renovations of old and damaged piping systems. Introduction Production Installation Advantages Quality assurance Summery and conclusion

26. S URE FIT – THE RELINER BY AGRU ARE YOU FIT FOR RELINING? Subject to errors of typesetting, misprints and modifications. Illustrations are generic and for reference only. AGRU Kunststofftechnik GmbH Ing.-Pesendorfer-Str. 31 A-4540 Bad Hall Austria / EU www.agru.at T +43 (0) 7258 790 - 0 F +43 (0) 7258 3863 E office@agru.at