Clinton Keith Road Extension

Sukut partnered with the County of Riverside to extend the arterial roadway of Clinton Keith Road an additional 1.7 miles of paved road to better serve the expanding communities of Murrieta and Winchester.

Project highlights include:
• Excavation of 500,000 CY’s of dirt and rock
• Blasting of 91,000 CY’s of rock
• Installatiion of 10,000 LF of RCP storm drain 
• Construction of two retaining walls
• Installation of one cast-in-place multi-span box girder bridge
• One precast double-arch wildlife Bridge with MSE walls

Porter Ranch Tr 50505, 50506, 50507 Rough Grading

Sukut is performing construction services at the Porter Ranch project located in Los Angeles, CA. This is the last hillside grading residential track project within the Porter Ranch development to be completed for Toll Brothers, Inc.  The project consists of 5,500,000 CY of mass excavation, 3,400,000 CY of remedial grading and miles of concrete ditch nestled in the Hills of Porter Ranch.

Lake Isabella Dam Safety Modification Project

The Lake Isabella Dam Safety Modification Project (DSMP) consists of several major modifications which will enhance the structural capability of the existing dam and will serve to increase public safety as well as restore the water storage capacity in Lake Isabella.  Improvements to the Isabella Dam have been contemplated for many years – The original Dam was completed in 1953, although since 2006 there have been concerns about seismic stability.

Sunshine Canyon LF Cell CC-4 P2 Liner

Sukut completed a 5.8-acre cell construction, consisting of a five layer liner systems (two 2’ clay layers, 1’ LCRS gravel, 1’ sand, 2’ one-inch minus material). Project highlights include:

· 28,000 CYs of imported and placed clay soil.  

· 7,000 CYs of LCRS gravel placed, along with 7,000 CYs of sand placed and imported.

· Installed 1,300 LF of LCRS HDPE pipe.

· 250,000 SF of liner installation on both slopes and floor.

Alton Parkway Extension

Sukut utilized its significant fleet of heavy earthmoving equipment for the mass grading operations required to construct the new Alton Parkway Extension Project. This project and the adjoining County of Orange project connect the existing Alton Parkway Road from Irvine Blvd. in the City of Irvine, through the County of Orange and connecting at the 241 Toll Road in the City of Lake Forest. The combined length of the two projects total over 2.1 miles of new roadway.

Route 905 – 6 Lane Fwy San Diego

Sukut Construction joined forces with Flatiron West, Inc. in a Joint Venture for the construction of the 905 Freeway. This project consisted of a 12-mile route to facilitate primarily truck traffic between California and Mexico from the Okay Mesa border crossing northwest to Interstate 5.
The following is a brief description of work completed:
• Site preparation and construction of large earth retaining walls.
• Installation of all the underground infrastructure including 21,000 lineal feet of storm drain.
• The movement of 1.3 million cubic yards of earth.

Upper Chiquita Reservoir

The Upper Chiquita Reservoir project required the excavation and placement of over 1.4 million cubic yards of material in order to construct the large earthen dam which consists of multiple distinct ‘zones’ of material to ensure stability and to meet the stringent seismic requirements. The earthen dam is monitored by state of the art vibrating piezometers, which send information regarding settlement and water levels in real time to the command center. Sukut constructed over 11,000 feet of piping ranging from large 66” steel welded pipe to the standard 24” and 48” RCP variety.


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