This active P3 project is comprised of a new two-lane immersed tube tunnel under the Elizabeth River adjacent to the existing Midtown Tunnel and interchanges on both the Norfolk and Portsmouth sides; maintenance and safety improvements to the existing Midtown Tunnel; maintenance and safety improvements to the two existing Downtown Tunnels; and an extension of the MLK Expressway from London Boulevard to Interstate 264 (I-264).
The Union Station Transit Improvement Project is transforming Denver's historic Union Station into a regional multi-modal transportation hub. The 19.5 acre, $374 million project is located in downtown Denver and includes an underground bus terminal (23 FT below grade) containing 22 bus slips; 40,000-square-foot underground passenger concourse; eight-track commuter rail station; and the relocation of the existing light rail station.
The vivaNext - H3 Project is part of York Region Rapid Transit Corporation's plan for the next generation of rapid transit. The project includes the construction of rapidways — dedicated centre bus lanes — and 22 state-of-the-art station platforms. The 6.4-kilometre project will transform the Highway 7 corridor into a visually appealing and pedestrian-friendly environment.
The passenger tunnel at Dulles International Airport allows travelers to move more efficiently through the fast-growing airport. Kiewit excavated the tunnel under a live taxiway using New Austrian Tunneling Method. The completed tunnel is lined with PVC waterproofing and reinforced cast-in-place concrete and is equipped with escalators and moving walkways.
Constructed for the U.S. Army Corps of Engineers, these aircraft weather shelters feature drive-through aircraft bays with mechanical/electrical support, tool storage, and administration areas. The 63-foot by 70-foot bays are separated by concrete “blast walls” containing all equipment needed for missile loading, fueling, and normal maintenance operations.
The $56 million Puget Sound Carrier Support Complex project included construction of a 1,680-foot-long by 126-foot-wide carrier pier and a 470-foot-long by 144-foot-wide marginal wharf for escort vessels. Ship service utilities included steam, potable water, sanitary sewer, and shore power electrical service and communications lines.
This $22 million emergency repair contract provided structural stability to Graving Dock #3 after a sheetpile cell catastrophically erupted. Kiewit successfully dewatered the dock and strengthened the cell. The team's impressive performance led to a follow-on contract to provide permanent repairs to the dock.
After successfully completing the emergency repair contract at Graving Dock #3, General Dynamics awarded Kiewit the $38 million long term repair project. Crews developed an innovative concrete mix that allowed quick turnaround of formwork, enabling them to meet the project's demanding schedule.