Water/Wastewater
Water/Wastewater
Yucca Mountain
Nye County, Nev.
A Kiewit-led joint venture excavated over 40,000 ft. of an 18- and 25-ft.-dia. tunnel to develop the Exploratory Studies Facility (ESF). The ESF was constructed to determine the suitability of storing high-level nuclear waste. A unique feature of the project was the use of a "mapping gantry" to provide safe access for project geologists and scientists during excavation.
Gulf Intracoastal Waterway (GIWW) West Closure Complex
Belle Chasse, La.
The GIWW West Closure Complex is a $1 billion hurricane storm surge (flood) protection facility for the city of New Orleans and surrounding areas. This Early Contractor Involvement (ECI) contract included one of the world’s largest interior drainage pump stations and one of the nation’s largest navigable floodgates (225 feet). The pump station has 11 units and is capable of discharging storm water at a rate of 19,140 cubic feet per second.
24th Street Water Treatment Plant Rehabilitation
Phoenix, Arizona
Originally constructed in the 1950's, the 24th Street Water Treatment Plant is a conventional water treatment facility that has the capacity to treat 140 MGD per day. This project rehabilitated the flocculation basins, sedimentation basins, filter valves, raw water inlet pipe, sludge blowdown pipeline inspection, main switchgear, and other electrical equipment.
Raw Water Pump Station and Pipeline from Union Hills Water Treatment Plant to Cave Creek Water Reclamation Plant
Phoenix, Arizona
This project provided the ability to supply untreated Central Arizona Project (CAP) water from the Union Hills Water Treatment Plant to the Cave Creek Water Reclamation Plant, utilizing approximately 5,000 LF of 24-inch HDPE pipe.
Permanent Canal Closures and Pumps (PCCP)
New Orleans, La.
The Permanent Canal Closures and Pumps project (PCCP) was a fixed-price, design-build project that provided a permanent, more sustainable solution for reducing the risk of a 100-year level storm surge entering the outfall canals throughout the city of New Orleans.
Charles E. Meyer Desalination Plant
Santa Barbara, Calif.
For the 3 MGD Charles E. Meyer Desalination Plant, Kiewit led BOP design and construction of the projects facilities, structures and infrastructure. The revitalized plant and overall system uses state-of-the-art technology and incorporates design and construction practices – in all facilities and systems – to reduce electrical demand and environmental impacts, while providing a critical water supply for the City.
Magnolia Trunk Sewer Rehabilitation
Orange County, Calif.
This $15 million project will perform condition assessment, design, and construction to rehabilitate a portion of the existing Magnolia Trunk Sewer in the cities of Fountain Valley, Westminster, and Garden Grove, CA.
Texas Street Pump Station
San Bernardino, Calif.
The project involved construction of a new pump station and 0.5 MG reservoir, de-chlorination facility, electrical ductbank, and roadway improvements.
Table Rock Auxiliary Spillway Phase 1
Branson, Mo.
By partnering with the U.S. Army Corps of Engineers, Kiewit finished this project four months ahead of schedule. Phase I involved excavating, blasting and preparing the spillway's foundation. Because blasting occurred beside the existing dam and near a heavily-traveled highway, expertise in controlled blasting and seismic monitoring was essential.
Carlsbad Desalination Plant
Carlsbad, Calif.
Kiewit designed and constructed the largest most technologically advanced and energy-efficient seawater desalination plant in the nation. From the SWRO facility with pumping station and produced water storage to the 10-mile 54-in high-pressure welded steel conveyance pipeline; Kiewit also managed the seamless integration of the 50 MGD plant to the distribution system that included 9 jack and bore crossings, 900+ existing utility crossings, a 1,750 LF tunnel, and 42 manways.
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