Water/Wastewater
Water/Wastewater
Kay Bailey Hutchison Desalination Plant
El Paso, Texas
The largest brackish water desalination plant in North America has the capacity of 27.5 MGD to meet the needs of both Ft. Bliss and El Paso Water Utilities. With the constraints of a 22-month schedule from notice to proceed to substantial completion, Kiewit performed all structural concrete work, set all embed items for mechanical equipment and structural steel, installed pumps and piping, RO skids chemical systems and equipment, and performed start up and commissioning.
Olivenhain Pump Station
San Diego, Calif.
This $24 million project involved constructing a building to house three 2,500-HP pumps and their associated piping. The interconnecting pipeline outside the pump station was also included in the standard bid-build contract.
NSR Pump Stations
Sacramento, Calif.
Working at a depth of 80 feet, crews from Kiewit Pacific Co. pumped groundwater from the excavation site at a rate of 14 million gallons per day to construct New Natomas and South River Pumping Stations. The scope of work at each site involves excavation support, dewatering, constructing new below-grade and at-grade concrete structures and installing mechanical equipment.
Los Vaqueros Dam
Brentwood, Calif.
As the primary water source for the Contra Costa Water District, the Los Vaqueros Dam measures 1,000 feet across and 192 feet high. During construction, project personnel suggested a value engineering concept that considered the creation of rip rap from on-site oversized rock from the excavation. This resulted in more than 50,000 cubic yards of rip rap generated on-site.
P1-102 Activated Sludge
Fountain Valley, Calif.
This $208 million project involves upgrading the Orange County Wastewater Treatment Plant No. 1 in Fountain Valley, CA. The upgrade, which will add a secondary treatment capacity of 60 MGD, is slated to be complete by 2012.
Val Vista Transmission Main Rehabilitation and Replacement
Phoenix, Ariz.
The Val Vista Transmission Main Rehabilitation and Replacement project, delivered in seven GMP’s, was the largest project of its kind in the United States., The project was developed to trenchlessly rehabilitate a critical piece of infrastructure that transports 220 MG of drinking water to as much as 60 percent of the population in Phoenix, Arizona. The project involved the rehabilitation of 30,000 feet of 96-inch to 72-inch prestressed concrete cylinder pipe by means of a split-can, steel slip lining.
Sacramento Regional Primary and Grit Handling Areas Rehabilitation
Sacramento, Calif.
Kiewit Pacific Co. was awarded an $18 million contract to rehabilitate 12 rectangular primary sedimentation tanks. Crews will replace grit slurry piping and grit overflow piping in grit handling areas as well as constructing related structural, mechanical and electrical work.
Bitter Point Pump Station
Newport Beach, Calif.
This $20 million project involves replacing the existing sewage pump station with a new upsized 39 MGD pump station. Construction on the new pump station includes a below-grade wet-well and dry-well, and an above-ground electrical room.
Everglades Pump Stations G-404 and G-409
Broward, Fla.
Kiewit Southern Co. was awarded this $6.5 million contract for Pump Stations G-404 and G-409 as part of the South Florida Water Management District's goal of restoring the Everglades to its previously ecologically balanced condition.
Central Feeder
San Bernardino, Calif.
This $61 million project involved the design and construction of a water transmission system. The success of the shutdown, tie-in, and restart was due to the project team's well planned coordination and communication with the local agencies and community.
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