WESTCONNEX M4-M5 LINK TUNNEL

WestConnex is a 33-kilometre predominately underground Client: Acciona Samsung Bouygues motorway scheme in , , . Year: April 2020 - May 2022 The M4-M5 Link Tunnels is the first stage of the M4-M5 Link which connects the New M4 to the M8. Product/Service: Electrical & Instrumentation

Scope of Work Key Benefits Delivered

• Construction planning and progress • Tunnel lighting and emergency • Proven and experienced tunnelling reporting. lighting. team implementing lessons learnt • Design review and change • Cross passage equipment installation and known installation rates. recommendations. and testing. • Mobilised 200+ tunnel experienced • EnerMech implemented our own • Traffic lights installation and testing. Quality Assurance documentation • Boom gates installation and testing. electricians and specialised trades to and system. • Procurement and logistics. deliver significant scope growth. • Tunnel and Open Route Electrical • Seismic bracing. • EnerMech’s ability to manage system installation. Industrial Relations ensured there • Cable Containment systems including was no lost time or inefficiencies on crown, sidewall ladder, traverse Project Delivery the project. ladder and cross passage ladder • Provided the Client design and EnerMech’s experienced project team installations. constructability review and advice. • Through cabling, sub main cabling, transitioned from the WestConnex sub circuit cabling. M4E tunnel and New M5 tunnel to the • Terminations and testing. WestConnex M4-M5 Link tunnel project • Communication system installation providing the client a dynamic, experienced and testing. tunnelling team, comprehensive lessons • ITS (Intelligent Transport systems) learnt and peace of mind to the Client 500,000 Installation. RAG’s, ISLUS/TMS of EnerMech being a proven tunnelling signage, Moveable median strips and contractor. planned man CCTV systems. EnerMech implemented a family friendly hours • AVIDS (Automatic Vehicle Incident roster to ensure the wellbeing of our Detection system) camera installation people and ensuring the projects efficiency and testing. and productivity remained to a high level. • Low point sump installation.

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