| June 6, 2002
News Release The King County Wastewater Treatment Division has scheduled an open house/project information meeting for Thursday, June 13, on construction of wastewater conveyance facilities in the south Lake Union area. When completed, the new facilities will protect public health and the environment by reducing combined sewer overflows (CSOs) during storms. The open house/meeting will run from 5 p.m. to 7 p.m. at the Center for Wooden Boats, 1010 Valley St., Seattle. Project managers will provide information on building three pipelines and underground regulating structures. Construction of these facilities is part of the Denny Way/Lake Union Combined Sewer Overflow (CSO) Project Most of the south Lake Union pipeline construction will be done by tunneling. This construction method minimizes impacts to roadways and communities along pipeline alignments. The King County contractor, however, will need to build access portals for key work areas at the beginning and endpoints of each tunnel. The contractor will build access shafts at or near the following intersections:
Lane closures for construction will be temporary with detours as necessary to surrounding streets. Before lanes are closed or detours occur, King County will notify surrounding businesses and residents. Visitors to the June 13 open house will be able to see the construction plans and schedules. They also can talk with project engineers to learn more about the south Lake Union pipelines contract and the Denny Way/Lake Union CSO Project. The south Lake Union pipelines contract is part of the CSO project, a joint effort of the King County Wastewater Treatment Division and the City of Seattle (Seattle Public Utilities). Construction for the CSO project began in June 2000 and will be completed in 2004. The new facilities will control discharges of combined sanitary sewage and stormwater that are now released into Lake Union and Elliott Bay during heavy rains. Untreated CSOs are discharged into Lake Union 10 to 115 times per year and into Elliott Bay at Myrtle Edwards Park about 50 times per year, depending on rainfall. This project will reduce the number of discharges of untreated sewage flows to an average of one discharge per year at each remaining CSO outfall location. Treated CSO flows will be discharged eight to 20 times per year at a new outfall offshore of Myrtle Edwards Park. Frank Coluccio Construction Co. is the general contractor for the $9.9 million south Lake Union pipelines contract, one of five contracts for building the CSO facilities. Coluccio was also the general contractor on the Mercer Street tunnel contract, the first construction contract to be awarded for this project. For more project information, contact Yvonne Kraus, community outreach coordinator, (206) 269-0229, Ext. 12, or check the project Web site at http://dnr.metrokc.gov/wtd/dennyway/. The King County Wastewater Treatment Division protects public health and the environment by serving 17 cities, 14 sewer districts and more than 1.4 million residents in King, Snohomish and Pierce counties. Related Information
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