Aspex Rail Systems are a specialist signalling design contractor based in Sydney NSW. The Key Team Consists of - Stuart Lodge - Kevin Lean - Neil Yates Our key areas of expertise are in the design and checking / review / verification of signalling designs with a particular emphasis on scheme development and relay / Microlok based signalling systems. The following are our key skill-sets: • Signalling Scheme Development • Braking Calculations / Operational Modelling • Signalling Functional Specifications • Signalling plans and Track Insulation Plans • Control tables and Aspect Sequence Charts • Detailed design for relay interlockings • Detailed design for level crossings • Detailed design and data preparation for Microlok interlockings • Data preparation for Microlok simulation (MISS) • Detailed design / data preparation for telemetry / control systems • Principles and Detailed Design / Checking / Verification • Principles testing using MISS or signalling panels