Value
€780M
Duration
2021–2026
Sector
Transportation & Highways
Service
Design-Build Advisory
Client
Alpine Rail Delivery Group
Program overview
The brief.
Twin-bore road tunnel of 11.4 km through complex Alpine geology, delivered as a Design-Build contract with target-cost mechanics and integrated ventilation and safety systems.
Optiflow scope
What we did.
- Design-Build procurement strategy and shortlist evaluation
- Target-cost setting with pain/gain mechanism
- Independent commercial verification through delivery
- Safety-systems commissioning authority
Outcomes
What was delivered.
- First bore breakthrough achieved 4 months early
- Zero change orders above target-cost threshold in first 24 months
- Ground-condition risk transferred to contract at FID, not by claim
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