NTI was engaged to carry out critical defect repairs across the main tunnel and cross passages, delivering crack injection, cold joint treatment, contact grouting, and segment rectification. Our work supported the long-term integrity and performance of this major metro asset.
Next Tier Innovation was engaged to deliver defect remediation works as part of ongoing maintenance activities within the Sydney Metro Western Tunnel. The works focused on addressing identified defects, improving asset condition, and supporting the long-term performance of the tunnel infrastructure.
Delivery was carefully managed within a live operational environment, ensuring works were completed efficiently while maintaining quality standards and minimising disruption.
Who We Are
Next Tier Innovation is an Australian-owned civil infrastructure contractor specialising in remediation, repair, and protective works across complex assets. The company operates within transport corridors, tunnels, and critical infrastructure environments where precision, reliability, and safety are essential.
Supported by experienced delivery teams, Next Tier Innovation provides practical, long-term solutions tailored to the needs of asset owners.
Scope of Works
- Defect repair and remediation works targeting tunnel deterioration
- Activities delivered within live tunnel environments using suitable techniques
- Emphasis on maintaining structural performance and asset lifespan
- Works planned around access limitations and operational requirements
Safety & Compliance
- Safety considerations integrated across all stages of delivery
- Works undertaken in line with approved safety systems and controls
- Adherence to relevant regulations, site rules, and procedures
- Protection of workforce, infrastructure assets, and nearby operations
