Valley View Interchange

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Summit provided both in charge environmental consulting and contracting services for the 200 million dollar Valley View interchange construction project. The construction job consisted of the widening of both the Valley View overcrossing and the I-5 freeway. As part of the construction, thirteen industrial properties and several government owned parcels previously determined to be contaminated […]

Placentia Avenue Grade Separation Project – Placentia, CA

Placentia Avenue

Orange County Transit Authority (OCTA): Placentia Avenue Grade Separation Project – Placentia, CA Summit provided environmental consulting services as part of the Burlington Northern Santa Fe (BNSF) Placentia Avenue Grade Separation project. The tracks, which were being separated from the roadway, were used daily for BNSF Railway freight transportation and by Metrolink and Amtrak passenger […]

Interstate 5 – Santa Clarita, California

Santa Clarita

Caltrans: Interstate 5 – Santa Clarita, California Summit performed an aerial deposited lead investigation along Interstate 5, in Santa Clarita, California as part of a highway construction project for the State. The objective of the investigation was to re-evaluate soil that had previously been determined to contain aerially deposited lead due to the historical use […]

Orangethorpe Avenue Grade Separation Project – Anaheim, CA

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Orange County Transit Authority (OCTA): Orangethorpe Avenue Grade Separation Project – Anaheim, CA Summit provided environmental consulting services as part of the Burlington Northern Santa Fe (BNSF) Orangethorpe Avenue Grade Separation project. The project consisted of raising the Orangethorpe Avenue roadway over the BNSF tracks to provide a grade-separated crossing. Summit’s scope of services included […]

Interstate 5, Santa Fe Springs, and Norwalk, California

Santa Fe Springs

Caltrans: Interstate 5, Santa Fe Springs, and Norwalk, California Summit provided consulting services as part of the construction of the Interstate 5/Carmenita Road Interchange project. The construction included the removal of the existing two-lane grade separation over-crossing at Carmenita Road, realignment of existing frontage roads, and construction of a tight diamond interchange with a new […]

Raymond Avenue Grade Separation Project – Fullerton, CA

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Orange County Transit Authority (OCTA) Raymond Avenue Grade Separation Project – Fullerton, CA Summit provided environmental consulting services as part of the Burlington Northern Santa Fe (BNSF) Raymond Avenue Grade Separation project. Consulting services included reviewing existing environmental reports for the site, soil sample collection along approximately 4,800 feet of railroad track and city streets, […]

San Gabriel Trench – Alameda Corridor

San Gabriel Trench

East Construction Authority San Gabriel Trench – Alameda Corridor Summit provided consulting services as part of their bid preparation for the evaluation of contaminated soil for the San Gabriel Trench project. Services included the evaluation and recommendations for perceived options for management of contaminated soil produced during the San Gabriel Trench project; Determining the estimated […]