2019 · Infrastructure · Delta, BC
Highway 17 Interchange Works
- Contract value
- $54M
- Delivery model
- General Contracting
- Area
- 2.1 km corridor
- Duration
- 21 months
- Client
- BC Ministry of Transportation and Infrastructure
- Consultant
- Trellis Civil Consultants
- Status
- Completed
- Location
- Delta, BC
Project narrative
A grade-separated interchange, two overpass structures and drainage upgrades delivered under live traffic on a primary port-access corridor.
The challenge
Port container traffic could not be detoured, and the works crossed a fish-bearing watercourse with a strict in-stream window.
Our approach
Bridge girders were set during three overnight full closures agreed six months in advance. In-stream works were compressed into the August window with sediment controls audited weekly by a qualified environmental professional.
The outcome
Corridor opened one month early with no unplanned daytime closures and zero environmental non-compliance findings across the contract.
Cranes working above the interchange structure
Measured outcomes
- 24
- Girders set
- 3
- Overnight closures
- 0
- Environmental findings
- −30 days
- Schedule variance
Site record
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