Tunnel Business Magazine

JUN 2018

TBM: Tunnel Business Magazine is the market leader for North America. TBM is written for leading professionals in all aspects of tunneling and covers project stories, design elements, contracting strategies, legal issues, new technology and more.

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B U S I N E S S B R I E F S 1 5 TUNNELINGONLINE.COM TBM: TUNNEL BUSINESS MAGAZINE // JUNE 2018 AECOM, SNC-Lavalin Preferred Consortium for Réseau express métropolitain (REM) ed tha en- eral P - ner of the design team, has been selected by CDPQ Infra Inc. as the preferred proponent for the infrastructure engineering, procure- ment and construction of the Réseau express métrop General Partnership – a consortium compose -Lav ojects Inc., Dragados Canada, Inc., Groupe Aecon Québec Ltée, Pomerleau Inc. and EBC Inc., in collabo- ra of a consortium compose -Lavalin Inc. b-consultants. As part of the proje tunnels, bridges, stations, railway infrastruc- ture (tracks, power and traction systems, etc.), road improvements, intermodal equipment and other structures as well as work on obtain- ing environmental permits, environmental monitoring and urban integration. NEORSD Awards Westerly Storage Tunnel to Jay Dee-Obayashi egional Sewer District Board of Trustees at ch 15 meeting awarded the Westerly Storage Tunnel contract to a joint venture of Jay Dee–Obayas- hi. Jay Dee-Obayashi's bid was $135,000,000. The project includes approximate- ly 9,600 lf of 25-ft ID CSO storage tunnel excavated in rock and sup- ported with a bolted, gasketed, one- pass steel fiber reinforced concrete segmental lining. In addition to the tunnel, there are three deep shafts: WST-1: 46-ft diameter online ac- cess shaft a etrieval site. WST-2: 12-ft diameter baffle drop structure, connected to the main tunnel via a 5-ft diameter, 50-ft long adit in rock. WST-3: 40-ft diameter baffle drop structure a Ancillary work includes Gate Structure and Gate Control Structure, at both the WST-2 and WST-3 sites, to regulate flow entering the tunnel, ap- proximately 90 lf of 46-in. diameter sewer, and miscellaneous modifica- tions to existing sewers. The design contract was awarded to a joint ventur c in 2015. The contr 's Project Clean Lake, a 25-year program that will reduce pollution in Lake Erie by 4 billion gallons per year. A com- bination of large tunnels, treatment plant improvements and expansion, and green infrastructure is reducing the volume of combined sewer over- flow discharging to the lake.

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