High-Rise Window Cleaning System

1. High-Rise Window Cleaning System Kelvin Mok CEOLi Ng CFOTommy Chiu COOHoward Lee CTOHubert Pan CTO April 25, 2006

2. Overview • The Problem • Our Goal • Our Solution • System Features • Future Developments • Commercialization • Conclusion • Questions? • Demo

3. The Problem • Current methods for high-rise window cleaning:

4. The Problem • Injuries and fatalities • High costs • Vulnerability to weather • Limited work hours • Fatigue

5. When accidents occur…

6. Our Goal • Eliminate need for human cleaners • Minimize weather susceptibility • Maximize time flexibility • Increase effectiveness • Adapt to different high-rises

7. Our Solution • Automated window cleaning • Personnel moved away from cleaning site • Window surface anchoring • Simple technology • Modular and transportable • Adaptable

8. Our Solution • <Drawing of device>

9. Our Solution • <Photo of prototype>

10. System Features Control Module Cleaning instructions Feedback Movement instructions Mobility Module Cleaning Module Movement

11. System Features Mobility Module • Pneumatic and vacuum subsystem • Down-climb stepping subsystem • Rooftop anchoring and cabling subsystem

12. Pneumatic and vacuum subsystem System Features Mobility Module Side view

13. System Features Mobility Module • Pneumatic and vacuum subsystem Side view

14. System Features Mobility Module • Pneumatic and vacuum subsystem • PIAB FC-50C polyurethane cups • PIAB X10A6 Venturi vacuum pump • Porter Cable compressor

15. System Features Mobility Module Top view • Down-climb stepping subsystem

16. System Features Mobility Module Top view • Down-climb stepping subsystem

17. System Features Mobility Module • Down-climb stepping subsystem • Works by gravity • Aluminum leg frame • Down-climbing path

18. System Features Mobility Module • Rooftop anchoring and cabling subsystem

19. System Features Mobility Module • Rooftop anchoring and cabling subsystem

20. System Features Mobility Module • Rooftop anchoring and cabling subsystem • Electric winch • Battery • Counterweight

21. System Features Cleaning Module

22. System Features Cleaning Module

23. System Features Cleaning Module • Soaking • Microfibre mop with water-permeable tube • Wiping • 22” windshield wiper • Obstacle crossing design • Retractable cleaning tools

24. System Features Control Module

25. System Features Control Module • Omron CPM1A PLC • Omron E2E2-X7D1 inductive sensor • MAC 36 series 3 way valves

26. Future Developments • Horizontal movement of cleaning module • Vertical movement increased • Waste and water management system • Enhanced cleaning capabilities • Monitoring and feedback

27. Commercialization • Huge market demand • Safety and costs • Clients • Building managers • Window cleaning companies • Competition • Low cost, simplicity, and adaptability

28. Commercialization • 2006 • Prototype complete • 2006-2009 • R&D • Market research and partnership support • 2009/2010 • Commercialized rollout of product

29. Conclusion • Addresses real market demand • Simple and economical • Saves lives Product website (to be released on May 2nd)www.sfu.ca/~tchiub/altus

30. Conclusion • What was learned • Metal and wood work • PLC • Component sourcing • Project documentation • Project and time management

31. Acknowledgements • Yan Ng (Li’s Dad) • SFU Facilities Management • Skeans Engineering and Machinery • ENSC 305/440 • Andrew Rawicz • Steve Whitmore • Brad, Esmaeil, and Lisette

32. Acknowledgements • SFU Facilities Management • Rooftop survey • Demo glass • Metal welding • Scaffold

33. Acknowledgements • Skeans Engineering and Machinery • Giovanni Capitanio • Pneumatic engineering support • Vacuum system parts sourcing • PIAB technical support

34. Snapshots

35. Snapshots

36. Snapshots

37. Questions? X10 ! You can do it We can help!

38. Demo