Washington Metro Silver Line/Dulles Metrorail Phase II, Virginia

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Owner: Metropolitan Washington Airports Authority (MWAA) Description: In this Design-Build Washington metro rail extension project, Endesco verified, established, and updated existing and proposed drainage areas for all drainage structures. Endesco

Route 123 (Chain Bridge Road) Bridge Replacement, Fairfax City, Virginia

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Owner: Fairfax City, VA Description: In this bridge reconstruction project, Endesco provided design services including H&H modeling, scour analysis, stormwater management, and E&S control design.

I-66 & Route 15 Interchange Reconstruction, Prince William County, VA

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Owner: VDOT Description: For this Diverge-Diamond Interchange construction project, Endesco provided water resource design services.

Inter-County Connector (Design/Build) Contracts A and B, Montgomery County, MD

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Owner: MTA and MDSHA Description: In this award-winning Design-Build project that built the state-of-art electronical tolling expressway, Endesco was responsible to develop SWM facilities (such as grass channels, underground storm

The Maryland-National Capital Purple Line Project in Montgomery and Prince George’s Counties, MD (Design/Build)

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Owner: MTA and MDSHA Description: In this Public-Private-Partnership (P3) Design-Build project to build a 16-mile light rail system connecting major urban centers in the north Washington D.C. metro area, Endesco

Hampton Roads Bridge-Tunnel (HRBT) Expansion, Hampton & Norfolk, Virginia (Design/Build)

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Owner: VDOT Description: The largest infrastructure project in the history of Virginia, this $3.9 Billion design-build project will ease this congestion with the addition of twin 2-lane bored tunnels just west of