Aspex Rail Systems Pty Ltd – Capabilities Statement – 2025
Aspex Rail Systems is a specialist signalling design contractor located in Sydney, NSW. Our expertise lies in the design, review, verification, and validation of signalling systems, with a particular focus on Microlok and relay-based signalling technologies. Below are the key areas of our proficiency:
– Signalling Scheme Development
– Braking Calculations / Operational Modelling / Headway Analysis
– 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 (including IMAC)
– Principles and Detailed Design / Review / Verification / Assurance Checking
– Principles Testing Using MISS or Signalling Panels
– Updating Signalling Records
Our team holds a range of Sydney Trains and TAO Engineering Authorities, primarily for design checking and verification. We also hold current Statements of Competency for ARTC both interstate and statewide.
Our signalling team consists of Principal, Senior, and Design-level professionals. With over 15 years of experience in the New South Wales rail network, we have successfully contributed to major projects across the Suburban Sydney Trains network and the broader ARTC Country network. Some of the key projects we have worked on include:
– More Trains More Services Stage 3A with the Next Rail Alliance
– Southern Highlands Overtaking Opportunities (SHOO)
– Telemetry Obsolescence Project across 150 sites statewide
– Passing Loop Feasibility Studies
– Lithgow Resignalling
– Train Order Working Sites
– Sydney ETCS Project Roll-out
For further details on our staff competencies, please feel free to contact us.
We have extensive experience in both greenfield and brownfield design, review, verification, and principles testing, as well as assurance-level checking (on behalf of Transport for NSW). In addition, we provide commissioning support for numerous large-scale and complex signalling projects.