All Projects
Current Projects
Upcoming Projects
Past Projects
All Projects
Potomac River Tunnel Project
Contractor: CBNA-Halmar Joint Venture
Location: Washington, DC
Duration: 2025 - Present
BART Silicon Valley Phase II Extension
Contractor: Kiewit-Shea-Traylor Joint Venture
Location: San José, CA
Duration: 2025 - Present
IPL Section 19 Long Tunnel Crossings Project
Contractor: Traylor-Sundt Joint Venture
Location: Trinidad, TX
Duration: 2023 - 2026
RiverRenew CSO Project
Contractor: Traylor-Shea Joint Venture
Location: Alexandria, VA
Duration: 2022 - 2026
Seattle Water Quality Project
Contractor: Lane Construction
Location: Seattle, WA
Duration: 2021 - 2023
Blacklick Creek Sanitary Interceptor
Sewer
Contractor: Jay Dee Contractors
Location: Columbus, OH
Duration: 2019
Northgate Link
Contractor: JCM Northlink
Location: Seattle, WA
Duration: 2014 - 2016
SR 99 - Alaskan Way Vivaduct Replacement ("Bertha")
Contractor: Seattle Tunnel Partners
Location: Seattle, WA
Duration: 2013
Central Subway
Contractor: Barnard-Impregilo-Healy Joint Venture
Location: San Francisco, CA
Duration: 2011 - 2014
New York Harbor Water Siphon Replacement
Contractor: Tully-OHL Joint Venture
Location: Staten Island, NY
Duration: 2012 - 2015
Balch Consolidation Conduit Shafts and Pipeline
Contractor: James W. Fowler Co.
Location: Portland, OR
Duration: 2011
East Side CSO
Contractor: Kiewit-Bilfinger Berger Joint Venture
Location: Portland, OR
Duration: 2006 - 2011
West Side CSO
Contractor: Impregilo-Healy Joint Venture
Location: Portland, OR
Duration: 2002 - 2006
Current Projects
Please check back soon to learn more about our current projects.
Upcoming Projects
Potomac River Tunnel Project
Contractor: CBNA-Halmar Joint Venture
Location: Washington, DC
Duration: 2025 - Present
BART Silicon Valley Phase II Extension
Contractor: Kiewit-Shea-Traylor Joint Venture
Location: San José, CA
Duration: 2025 - Present
Past Projects
IPL Section 19 Long Tunnel Crossings Project
Contractor: Traylor-Sundt Joint Venture
Location: Trinidad, TX
Duration: 2023 - 2026
RiverRenew CSO Project
Contractor: Traylor-Shea Joint Venture
Location: Alexandria, VA
Duration: 2022 - 2026
Seattle Water Quality Project
Contractor: Lane Construction
Location: Seattle, WA
Duration: 2021 - 2023
Blacklick Creek Sanitary Interceptor
Sewer
Contractor: Jay Dee Contractors
Location: Columbus, OH
Duration: 2019
Northgate Link
Contractor: JCM Northlink
Location: Seattle, WA
Duration: 2014 - 2016
SR 99 - Alaskan Way Vivaduct Replacement ("Bertha")
Contractor: Seattle Tunnel Partners
Location: Seattle, WA
Duration: 2013
Central Subway
Contractor: Barnard-Impregilo-Healy Joint Venture
Location: San Francisco, CA
Duration: 2011 - 2014
New York Harbor Water Siphon Replacement
Contractor: Tully-OHL Joint Venture
Location: Staten Island, NY
Duration: 2012 - 2015
Balch Consolidation Conduit Shafts and Pipeline
Contractor: James W. Fowler Co.
Location: Portland, OR
Duration: 2011
East Side CSO
Contractor: Kiewit-Bilfinger Berger Joint Venture
Location: Portland, OR
Duration: 2006 - 2011
West Side CSO
Contractor: Impregilo-Healy Joint Venture
Location: Portland, OR
Duration: 2002 - 2006
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