King County’s Wastewater Remedy Division picked Kiewit Infrastructure West as normal contractor and development supervisor for its $400 million Elliott West Moist Climate Remedy Station undertaking in Seattle.
Though the development contract for the job shall be negotiated later, the company took a step ahead by signing a $5.5 million preconstruction contract with Kiewit, company spokesperson Akiko Oda stated in an e mail.
Elliott West, a mixed sewer overflow facility accomplished in 2005, shops and treats sewage and stormwater during times of heavy rain, in keeping with the undertaking web site. Now the therapy station must be upgraded to adjust to stricter environmental laws, meet the calls for of a rising inhabitants and deal with a altering local weather.
The full undertaking price is presently estimated at $400 million to $450 million, whereas the development prices are anticipated at roughly $220 million, Oda stated.
This isn’t King County’s solely such effort: Within the coming decade it’s investing $10 billion in wastewater therapy and different resilience measures to be able to cut back air pollution in waterways and put together for storms, that are prone to develop into extra frequent and intense as a result of local weather change. The county has 14 water infrastructure initiatives deliberate to make its system extra dependable and shield Puget Sound.
Seattle joins a slew of different communities throughout the nation which are investing billions to modernize their mixed sewer infrastructure, which may launch untreated wastewater into our bodies of water when the system is overwhelmed. The Elliott West undertaking will cut back untreated mixed sewer overflow discharge and enhance water high quality in Elliott Bay, in keeping with the undertaking web site.
As soon as the undertaking is full, Elliott West will use screening, ballasted sedimentation, and ultraviolet disinfection, which is able to permit it to attain extra stringent water high quality requirements. Building is slated to start in 2027 and to wrap by 2032, per the undertaking web site.
Dallas-based Jacobs is designing the undertaking, in keeping with Oda.
For the preconstruction section, Omaha, Nebraska-based Kiewit’s scope of labor consists of help on threat administration, worth engineering, constructability critiques, development planning, scheduling and price estimating, per Oda. The scope of labor for the development section continues to be in growth.
