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High-Rise Window Cleaning System
Kelvin Mok CEOLi Ng CFOTommy Chiu COOHoward Lee CTOHubert Pan CTO
April 25, 2006
Overview
The Problem Our Goal Our Solution System Features Future Developments Commercialization Conclusion Questions? Demo
The Problem
Current methods for high-rise window cleaning:
The Problem
Injuries and fatalities High costs Vulnerability to weather Limited work hours Fatigue
When accidents occur…
Our Goal
Eliminate need for human cleaners Minimize weather susceptibility Maximize time flexibility Increase effectiveness Adapt to different high-rises
Our Solution
Automated window cleaning Personnel moved away from cleaning
site Window surface anchoring Simple technology Modular and transportable Adaptable
Our Solution
<Drawing of device>
Our Solution
<Photo of prototype>
Mobility ModuleMobility Module Cleaning ModuleCleaning Module
System Features
Control ModuleControl Module
Movement
Cleaning instructionsFeedback
Movementinstructions
System Features
Pneumatic and vacuum subsystem Down-climb stepping subsystem Rooftop anchoring and cabling
subsystem
Mobility Module
System FeaturesMobility Module
Side view
Pneumatic and vacuum subsystem
System Features
Pneumatic and vacuum subsystem
Mobility Module
Side view
System Features
Pneumatic and vacuum subsystemPIAB FC-50C polyurethane cupsPIAB X10A6 Venturi vacuum pumpPorter Cable compressor
Mobility Module
System Features
Down-climb stepping subsystem
Mobility Module Top view
System Features
Down-climb stepping subsystem
Mobility Module Top view
System Features
Down-climb stepping subsystemWorks by gravityAluminum leg frameDown-climbing path
Mobility Module
System Features
Rooftop anchoring and cabling subsystem
Mobility Module
System Features
Rooftop anchoring and cabling subsystem
Mobility Module
System Features
Rooftop anchoring and cabling subsystemElectric winchBatteryCounterweight
Mobility Module
System FeaturesCleaning Module
System FeaturesCleaning Module
System Features
Soaking Microfibre mop with water-permeable
tube Wiping
22” windshield wiper Obstacle crossing design Retractable cleaning tools
Cleaning Module
System FeaturesControl Module
System Features
Omron CPM1A PLC Omron E2E2-X7D1 inductive sensor MAC 36 series 3 way valves
Control Module
Future Developments
Horizontal movement of cleaning module
Vertical movement increased Waste and water management
system Enhanced cleaning capabilities Monitoring and feedback
Commercialization
Huge market demandSafety and costs
ClientsBuilding managersWindow cleaning companies
CompetitionLow cost, simplicity, and adaptability
Commercialization
2006Prototype complete
2006-2009R&DMarket research and partnership
support 2009/2010
Commercialized rollout of product
Conclusion
Addresses real market demand Simple and economical Saves lives
Product website (to be released on May 2nd)www.sfu.ca/~tchiub/altus
Conclusion
What was learnedMetal and wood workPLCComponent sourcingProject documentationProject and time management
Acknowledgements
Yan Ng (Li’s Dad) SFU Facilities Management Skeans Engineering and Machinery ENSC 305/440
• Andrew Rawicz• Steve Whitmore• Brad, Esmaeil, and Lisette
Acknowledgements
SFU Facilities ManagementRooftop surveyDemo glassMetal weldingScaffold
Acknowledgements
Skeans Engineering and MachineryGiovanni CapitanioPneumatic engineering supportVacuum system parts sourcingPIAB technical support
Snapshots
Snapshots
Snapshots
Questions?
X10 !You can do it We can help!
Demo
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