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