Projects
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PBOT Tunnel Illumination Upgrades
DESCRIPTION
As a subconsultant, Emerio provided survey services to support the tunnel illumination upgrades for four tunnels including: Rocky Butte Tunnel, Burnside Tunnel, Cornell Tunnels, and Naito Parkway Tunnel. Survey was conducted at each tunnel to identify tunnel portal heights, high points near the center of the tunnel and elevation of the tunnel walls at the curb line. Existing utilities were also located and surveyed between the tunnel portals and electrical service locations to minimize any conflicts.