I-70 Twin Tunnels Widening (West Bound)
PROJECT DESCRIPTION
CM / GC contract for preconstruction services and construction service for widening of 675' long arch highway tunnel on I-70 west bound, and approx. 45,000 CY of rock slope cut at outside of tunnel. Located in the mountains west of Denver. Enlarge highway tunnel. (JV: Obayashi Corporation & Kraemer North America)
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