Expertise >Potomac River TunnelUnited StatesPrint or Save PDF DomainsTunnel & Underground;Water / Wastewater treatmentClientDC Water and Sewer AuthorityTime frame2023 - 2030ServicesClient’s representativeDesignConsulting / ExpertisePhasesTender designConstructionSelected projectsPreviousNextSnowy 2.0 Project, NSWAustralia2018 - 2028 PoLuMe N2 Enhancement Lugano Sud MendrisioSwitzerland2018 - 2025 Ceneri Base TunnelSwitzerland2006 - 2020 Riachuelo Sewage SystemArgentina2014 - 2022 Rishikesh-Karnaprayag line - Tunnel Package 3India2019 - 2026 CERN High Luminosity Large Hadron Collider (HL-LHC), Point 5France2016 - 2024