Flick sofia 26 11 2013 v1

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Flick sofia 26 11 2013 v1

  1. 1. Sofia 26.11.2013 BCC and BWA Conference Challenges in the choice of materials for inlet collectors Bau.-Ass. Dipl.-Ing. Karl-Heinz Flick Association of German Vitrified Clay Pipe Industry, Frechen (D) Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  2. 2. Sofia 26.11.2013 BCC and BWA Conference The four objectives of drains and sewer systems in accordance with EN 752: o Public health and safety o Occupational health and safety o Environmental protection o Sustainable development Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  3. 3. Sofia 26.11.2013 BCC and BWA Conference Principles of wastewater engineering o Sewer systems provide a service to the society o The proper disposal of wastewater ensures public health and hygiene o With sewer systems overflow in residential areas is avoided and the environment is protected o Main sewer systems cover for the functions: collection / transport / treatment / discharge Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  4. 4. Sofia 26.11.2013 BCC and BWA Conference Combined or mixed sewer system Source: BWB Berlin Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  5. 5. Sofia 26.11.2013 BCC and BWA Conference Steps towards implementation o Fix objectives o Fix functional requirements o Fix strategic and policy activities related to planning, design, construction, operation, maintenance and rehabilitation Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  6. 6. Sofia 26.11.2013 BCC and BWA Conference EU legal implementations  water law  environmental law  technical standards Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  7. 7. Sofia 26.11.2013 BCC and BWA Conference What inputs are required for planning and design? What requirements have to demonstrated? How to calculate the pipe’s resistance to stress? What are the risks? How to guarantee success? And many other questions in addition! Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST) 7
  8. 8. Sofia 26.11.2013 BCC and BWA Conference Hydraulic design i.e. transport of sediment and performance Wastewater properties i.e. chemical, biological, thermal and mechanical stresses Mechanical and dynamic loads i.e. during construction and operation Construction structural design for pipe / soil system Operation maintenance and rehabilitation Safety preserve for future stresses Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST) 8
  9. 9. Sofia 26.11.2013 BCC and BWA Conference Salient features of sewer system networks Operator View User / Client View Operational reliability High comfort Underground installation No problems Once-only installation Cost-efficient Immutable implementation Secure for the future Low operational cost Low maintenance and repair costs Long service lifetime High security at low cost High functionality High reliability Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST) 9
  10. 10. Sofia 26.11.2013 BCC and BWA Conference EN 752 Drain and sewer systems outside buildings Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  11. 11. Sofia 26.11.2013 BCC and BWA Conference To build and operate sewer system networks in a reliable and secure way – Individual requirements and praxis Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  12. 12. Sofia 26.11.2013 BCC and BWA Conference Pipe systems from the inside Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  13. 13. Sofia 26.11.2013 BCC and BWA Conference To build and operate sewer system networks in a reliable and secure way – Sustainable Development Sewer system networks must be planned, build and operated under optimal conditions for environment, society and economy. Objectives Use of renewable energy resources Minimal energy consumption for operation No impact on the environment Source EN 752 Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  14. 14. Sofia 26.11.2013 BCC and BWA Conference To build and operate sewer system networks in a reliable and secure way – Sustainable Development „Drains, sewers and other components should be designed, constructed, maintained and operated to ensure structural integrity over the design life.” Source EN 752 It is not sufficient to properly construct a sewer system, it also has to be built in a way to ensure long operational life. H.R. Steiner, Zürich (CH) Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  15. 15. Sofia 26.11.2013 BCC and BWA Conference Good hydraulic performance Environment-friendly Abrasion resistant Easy cleaning possibilities High mechanical strength Chemical and thermal resistance Completely tight 70°C -10°C pH Particles Parameters that will determine the longevity Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  16. 16. Sofia 26.11.2013 BCC and BWA Conference Decision diagram vitrified clay Longevity Corrosion resistance PVC Impermeability concrete ductile iron Mechanical resistance Abrasion resistance Thermal stability Hydraulic smoothness Impact resistance PETZOW, G.; SCHUBERT, H.: Materialeigenschaften im Spiegel des Kanalrohreinsatzes, Korrespondenz Abwasser, (39) 1992, Heft 5, Seite 688-706 Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  17. 17. Sofia 26.11.2013 BCC and BWA Conference Evaluation-matrix of pipe materials and products based on technical properties Criteria Weightin g points Hydraulic performance Chemical Resistance Structural design and conditions Construction and conditions Tightness Program Environ mental aspects Rehabilitation Sum 5 20 15 5 20 15 10 10 100 Concrete Vitrified Clay (VC) Ductil Iron PVC PP PE GRP Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  18. 18. Sofia 26.11.2013 BCC and BWA Conference Main properties of vitrified clay pipes according EN 295 crushing strength 32 – 140 kN/m wall roughness 0,02 mm bending tensile strength 12 – 25 N/mm2 compressive strength 100 N/mm2 elasticity module 50 000 N/mm2 hardness (Mohs) ~7 abrasion resistance max 0,25 mm resistance to high pressure jetting 280 bar Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  19. 19. Sofia 26.11.2013 BCC and BWA Conference Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  20. 20. Sofia 26.11.2013 BCC and BWA Conference Sustainability and sewer systems COST-EFFICIENT INTERGENERATIONAL EQUITY Long service lifetime No permanent financial burden Low maintenance costs through rehabilitation, repair, or Economical safeguarding of reconstruction fixed assets Sparing use of resources Service life span > 100 years ECO-FRIENDLY Outstanding technical, chemical and physical properties: - high strength, density and robustness - high resistance to wear, tear and corrosion 100% recyclable Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  21. 21. Sofia 26.11.2013 BCC and BWA Conference Vitrified clay pipes and the raw material 60-70% Clay 30-40% secondary raw materials Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  22. 22. Sofia 26.11.2013 BCC and BWA Conference Vitrified clay pipes and the environmental life cycle 60-70% Ton 30-40% Sekundärrohstoffe Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  23. 23. Sofia 26.11.2013 BCC and BWA Conference Competition in the underground Quelle: IKT Gelsenkirchen, Prof. Dr.-Ing. B. Bosseler Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  24. 24. Sofia 26.11.2013 BCC and BWA Conference Challenge Climate Change • Häufigere und größere Starkregenereignisse Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  25. 25. Sofia 26.11.2013 BCC and BWA Conference Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  26. 26. Sofia 26.11.2013 BCC and BWA Conference Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  27. 27. Sofia 26.11.2013 BCC and BWA Conference Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  28. 28. Sofia 26.11.2013 BCC and BWA Conference Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  29. 29. Sofia 26.11.2013 BCC and BWA Conference Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  30. 30. Sofia 26.11.2013 BCC and BWA Conference Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST)
  31. 31. Sofia 26.11.2013 BCC and BWA Conference Conclusions for sewer systems • Key function in the water cycle • Essential part of municipal infrastructure • Intergenerational engagement • Long service life of over 100 years • Challenge: Life Cycle Assessment vs. short term invest budget Dipl.-Ing. K.-H. Flick; Association of German Vitrified Clay Pipe Industry (FVST) 31

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