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| Project | Location | Description |
|---|---|---|
| Southern Regional Water Line (SRWL) | Peace River, AB | HDPE Waterline Installation for 60 km using HDD, HAB, cut and cover. Included over 120-drives through environmentally sensitive areas and poor ground quality. Aldea performed Detailed Design, Bid support, Construction Engineering |
| Conduit 16 Tunnel Project - I70 Tunnel Crossing | Denver, CO | A pipeline replacement project part of Denver Water’s $600 million North System Renewal to update the infrastructure that brings 20 percent of Denver Water’s water to customers in the metro area. The first phase comprised tunnels under state highways 93 and 58, I-70 and two railroads. The tunnel under I-70 was 1,600 feet long. Aldea provided consulting mservices during construction to the tunnel contractor. |
| Orlando International Airport Microtunnels | Orlando, FL | Aldea provided the design for multiple aspects involving the installation of two new double walled 14" and 18" diameter fuel lines under existing airport taxiways. The casing pipes for both lines will consist of 772 linear feet of 38" OD welded steel pipe. Special considerations included loading from the largest commercial aircraft take off and breaking loads. Aldea designed the casing pipe, jacking and receiving pits, thrust block design, and settlement analysis. |
| Enbridge Energy Line No. 5 Replacement | Macinaw, MI | The Line 5 Mackinac Straits Tunnels allows for Enbridge Energy to tranport light oil and natural gas liquids across the Straits of Mackinac. The tunnel will be excavated using a TBM with internal and external diameters of 10 and 12 feet, respectively. The tunnel will span approximately 4.1 miles and traverse through the Strait with a maximum tunnel depth of approximately 350 feet below the lake surface and 100 feet beneath the lakebed. Aldea contributed by providing a geologic desktop study and evaluation with respect to tunnel feasibility. |
| General Assembly Building Pedestrian Tunnel | Richmond, VA | Performed detailed design of an underground walkway from the future GAB structure to a future parking structure on the opposite side of North 9th St. Tunnelling occured in the close proimity of live utilities underneath the roadway. |