Tunnel Business Magazine

FEB 2018

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Page 7 of 43

TUNNELINGONLINE.COM TBM: TUNNEL BUSINESS MAGAZINE // FEBRUARY 2018 McCook Reservoir to Greatly Boost Flood Storage Capacity opolitan Water Reclamation District of Greater Chicago ) and U.S. Army Corps of Engineers in Decem- ber celebrated the completion of the first phas ok Reservoir project, a key comp 's plan to re- duce flood damage and sewer overflow pollution in the Chicago area. Black & Veatch has provided planning, design, engineering and construction support on various aspe 's Tunnel and Reservoir Plan (TARP) since 2001, including design and construction ser- vices f unnel Sys- t connects T - stream T ok Reservoir. ok Reservoir Stage I provides an additional 3.5 billion gallons of stor- age capacity to capture flood water and combined sewer overflows (CSOs) and is estimated to provide $114 million annu- ally in flood damage and CSO pollution reduction benefits. TARP reduces flood- ing by storing CSOs, which during wet weather events would otherwise flow into and pollute Lak region's waterways, until they are able to be treated. As a result, regional water quality is also enhanced. ok Reservoir will allevi- ate flooding impacts for millions of residents in the region. We are excited to celebrate the completion of the first phase, and look forward to continuing to bolster our flood mitigation efforts that support the local community with our project partners, Spyropoulos, Pr opol- itan Water Reclamation District Board of Commissioners. ok Stage I on line, the TARP system now has a flood storage capacity of more than 14 billion gallons. The ok Reservoir is one of the fi- nal components of TARP, one of the larg- est public works projects for pollution and flood control. It is the result of tre- mendous collaboration in support of an overarching goal to protect the environ- ok Reservoir oject has helped restore the charm and quality of Chicago's riv- ers and fostered greater connectivity to water resources for millions of people," said Faruk Oksuz, Black & Veatch Vice President and project director in the com- pany's water business. "From planning to construction, state- of-the-art practices such as deep rock grouting and one-of-a-kind high pres- sure roller gates for tunnels were ap- plied throughout the project," said Leon Schieber, Director of Business Develop- ment, Black & Veatch Federal Business. ok Reservoir will protect Lake the region's water supply and the regional economy tied to Lak - gan as well." In addition to 109 miles of deep tunnel sy ok Reservoir, TARP includes two other storage reservoirs – Thornton Composite Reservoir (7.9 bil- ok is fully completed in 2029, it will have a capacity of 10 billion gallons and surpass Thornton as the largest reservoir of its kind in the world. On Jan. 10, Louisv city leaders broke ground on the Wa- terway Protection Tunnel, at the tunnel entrance site, which is at 12th and Row- an streets. The Waterway Protection Tunnel will capture 22 combined sewer overflow points that discharge 351 mil- lion gallons of mixtures of sewage and rainwater in a typical rainfall year that flow into the South Fork of Beargrass Creek and the Ohio River. The tunnel will allow capture of 98 percent of these overflows and store the mixtures till the rain subsides and sewer system capacity is available. The mixture will then be pumped back into the sewer system and conveyed to Forman Water Quality Treatment Center resulting in a safer, cleaner environment and water- ways for our community. The Waterway Protection Tunnel is 's Consent Decree that in- cludes building storage basins across the community to help reduce sewer over- flows. The Waterway Protection Tunnel is an innovative solution that replaces three storage basins originally planned 10 years ago to be located near Lexington Road and Payne Street; Story Av Street; and, 13th and Rowan stre , advances in technology and reductions in the cost to build the tunnel make it feasi- ble to use a tunnel instead of three basins. The tunnel will have more storage capacity than the three basins for ap- proximately the same cost, but construc- tion will be less disruptive to Louisville's eet arts and business district, Butchertown's business district, Irish Hills's residential community, and area traffic during the two-year construction period. This design change also gives enefit of operational redun- dancy to one of its pumping stations that protect residents and businesses from flooding and sewer backups. The tunnel project is $200 million and 's Consent Decree budget. It begins at 12th and Rowan streets and continues east, southeast for 2.5 miles and ends near The Home of the Inno- c Street. The tunnel will be 20-ft in di- ameter and approximately 200 ft below the surface, which is more than 18 sto- ries below ground. It can store up to 37 million gallons of combined rainwater and sewage. The tunnel and its interceptor sewer lines will be substantially completed by Dec. 31, 2020, meeting all requirements for certification with the U.S. Environ- mental Protection Agency f 's Consent Decree. 8 Louisville (KY) MSD Breaks Ground on Waterway Protection Tunnel B U S I N E S S B R I E F S

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