The following presents a condensed list of the core staff members in the Mechanical Department along with a brief description of their responsibilities.
C.Y. Thomas Li, P.Eng (ON,NS,SK)
Chairman, Board of Directors
B.Eng. (Concordia, 1980)
M.Eng. (McMaster University, 1984)
Designated Consulting Engineer (ON)
G.L.Tiley & Associates Ltd. staff since 1991
- • Noise and vibration investigation & analysis
- • Hoist design, modification, & commissioning
- • Vibration testing & finite element analysis
- • Gas and steam turbine component design
- • Research in machine tool dynamics
- • Mechanical system troubleshooting
Peter Tiley, P.Eng.
Honourary Director
B.Eng. (McMaster University, 1970)
M.Sc. (Bristol, 1972)
G.L.Tiley & Associates Ltd. staff since 1977
- • Research engineer (Vibration & Thermo-Hydraulics)
- • Hoist design, modification, & commissioning
- • Hoisting system analysis and certification
Sherif Hassan, P.Eng.
Vice President, Manager Mechanical Engineering
B.Sc. (Cairo, 1979)
M.A.Sc. (University of Waterloo, 1998)
G.L.Tiley & Associates Ltd. staff since 1996
- • Research in Vibration Analysis
- • Hydraulic, pneumatic, and braking systems
- • Hoist design, modification, and commissioning
- • Vibration testing and analysis
- • Mechanical system troubleshooting
Greg Stevens, P.Eng.
Mechanical Engineer
B.Sc., B.A.Sc. (University of Ottawa, 2008)
G.L.Tiley & Associates Ltd. staff since 2008
- • Guide Alignment Accelerometer Testing
- • Brake, Engine & Controls design
- • Drum Stress Analysis
- • Hoist Service Procedure
- • Mechanical system troubleshooting
Jason Boilard, P.Eng.
Mechanical Engineer
B.Eng. (McMaster University, 2006)
G.L.Tiley & Associates Ltd. staff since 2007
- • Design & commissioning of mine hoist systems
- • Field service engineering for hoist systems
- • Hoist braking systems
- • Finite element analysis
- • Mechanical system troubleshooting
Cheryll Johns, P.Eng.
Mechanical Engineer
B.A.Sc. (University of Ottawa, 2017)
G.L.Tiley & Associates Ltd. staff since 2017
- • 3D design of mine hoisting equipment
- • Engineering and shop detail drawings
- • Hoist design, modification, installation, & commissioning
- • Guide alignment accelerometer testing
- • Hoist inspections
- • Hoist assembly & supervision
Dr. Quan Situ, PH.D., P.Eng.
Mechanical Engineer
B.Eng. (Univ. of Science and Technology, 1994)
M.Sc. (McMaster University, 2003)
Ph.D. (McMaster University, 2008)
G.L.Tiley & Associates Ltd. staff since 2008
- • Mechanical analysis specialist
- • Hoisting machine assembly and part design
- • Mechanical calculation of load and life
- • FE stress calculation, structural & model analysis
- • Non-linear analysis of failure prediction
- • Computer applicatons of modelling software
- • Mechanical system troubleshooting
Bruno Visentin, C.E.T.
Senior Mechanical Designer
Dipl.T (Niagara College, 1970)
G.L.Tiley & Associates Ltd. staff since 1984
- • Design and layout of hoist systems
- • Hoist building layout and designs
- • Planning and costing of mine facilities
- • Industrial specialist in heating and mine ventilation
- • HVAC and fire protection system design
Joe Gucciardi
Supervisor - Mechanical Drafting and Design
Dipl.T (Mohawk College, 1999)
G.L.Tiley & Associates Ltd. staff since 2009
- • Machine design
- • Mechanical installations
- • Failure analysis and preventative maintenance
- • Vibration analysis
- • Guide alignment accelerometer testing
- • Supervision of hoist refurbishment
- • Mechanical system troubleshooting