Carmenita Interchange – Santa Fe Springs, CA

Summit provided environmental consulting and contracting services as part of the Interstate 5/Carmenita Road Interchange project. The construction included the removal of the existing two-lane over-crossing at Carmenita Road, realignment of existing frontage roads, and construction of a tight diamond interchange with a new Carmenita Road over Interstate 5 and the Union Pacific Railroad crossing.

Services included preparation of a health and safety plan, excavation and transportation plan, lead compliance plan, sampling, and analysis plan, and transportation and disposal plan outlining the requirements for the handling of contaminated material. Fieldwork included geotechnical drilling of seventy (70) soil borings to approximately sixty (60) feet below ground surface to determine the location and thickness of the impermeable layer above the Artesia Aquifer, collection and testing for 7500 soil samples from over twenty (20) excavations and 250  soil stockpiles. Along with the transportation and disposal for 60,000 tons of contaminated soil.

 

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State Highway Route 210 – Los Angeles, CA

Summit provided both in charge environmental consulting and contracting services as part of Highway Construction Activities in District 7 Route 210 from Interstate 5. Summit’s scope of work included Metrolink right-of-way improvements by excavating, loading, transporting, and disposing of a total of 2,305 Tons of hazardous and contaminated material at a proper landfill.

Services included preparation of an excavation and transportation plan, lead compliance plan, sampling, and analysis plan, and transportation and disposal plan outlining the requirements for the handling of contaminated material. Field work also included air monitoring, sampling, and training for hazardous materials.

 

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State Route 33 – Fresno County,  CA

This project involves the excavation, loading, transportation, and disposal of 2,670 tons of Type Z-2 impacted hazardous material.

Services included preparation of a health and safety plan, excavation and transportation plan, lead compliance plan, sampling, and analysis plan for potential environmental impacts due to ADL from motor vehicle exhaust in the surface and near-surface soils on the roadway within the project boundaries, and transportation and disposal plan outlining the requirements for the handling of contaminated material. The Type Z-2 contaminated material was removed from the Right-of-Way shoulder areas along northbound State Route 33 from Post Mile 69.3 to 70.9 in Firebaugh, Fresno County, California, by directly loaded it into end-dump trucks and transported for disposal at a Class I disposal site.

Other fieldwork included sampling and testing for contaminates and air sampling and worker training for lead.

 

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Demo-4

Valley View Interchange – La Mirada, CA

Summit provided both in charge environmental consulting and contracting services for the 200 million dollar Valley View interchange construction project for the California Department of Transportation (Caltrans). 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 required to be excavated, stockpiled, sampled, characterized and transported for proper disposal.

Summits scope of services included the completion of the following plans: Site-Specific Health and Safety Plan, Sampling and Analysis Plan, Excavation Plan, Transportation Plan, and a Stockpile Management Plan. The field services provided included the sampling and analytical testing for 1200 stockpiles and 6000 samples and the characterization transportation and disposal for more than 42,000 tons of contaminated material. In addition, Summit performed dewatering, sampling, and liquid disposal for more than 400,000 gallons of contaminated liquid.

Summit received high marks for safety, communication, efficiency and overall performance.

 

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Interstate 710 – Los Angeles County, CA

Summit Environmental Contractors provided environmental contracting services for construction activities located along an approximate 3.5-mile segment for both the north and south bound Interstate 710. Health and safety training was also conducted to protect workers and the public from hazards. Field work included sampling, testing and air monitoring for 1146 Compliance. Due to the high level of Aerially Deposited Lead (ADL) 6,417 Tons of hazardous material was removed and disposed of at a Class I landfill. Summit prepared a Lead Compliance Plan (LCP) and an Excavation and Transportation Plan (ETP) for the proper operating procedures of handling and transporting lead.

 

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Santa Cruz Rail Trail – Santa Cruz, CA

Summit Environmental Contractors provided environmental and contracting services as part of the Rail Trail Segment 7 project. The purpose of this project is to create a safer and more efficient pedestrian trail for the public. Summits’ part in achieving this, was the removal and disposal of over 8,000 Tons of contaminated and hazardous material produced from the railroad that runs parallel to the pedestrian trail. Fieldwork included geotechnical surveyance, sampling and testing, hazardous material, and lead training. An excavation and transportation plan (ETP) was also provided to outline proper handling and transportation of the jobsite and to increase worker safety.

 

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47th Avenue – Sacramento, CA

Summit provided both environmental contracting and consulting services as part of the 47th Avenue pedestrian and bicycle improvements project in Sacramento. Services included the preparation of a transportation and disposal plan outlining the requirements for the handling of contaminated material and sampling and analysis plan. Field work included soil sampling and testing over several contaminated locations that run along the side of the CA-99. The levels of ADL were the primary concern and as a result, summit transported and disposed of hundreds of approximately 1,000 tons of hazardous material at a class I landfill

 

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Sandag Bayshore Bikeway- San Diego, CA

Summit Environmental Contractors provided environmental and contracting services as part of the SANDAG Bayshore Bikeway Improvements Project. The project included the construction of a new pedestrian and bike path and the reconstruction of a security wall for the San Diego Naval Base.

Services included plan preparation for Transportation and Disposal, Excavation and Safety, and Soil Management. Summit also provided waste characterization and air monitoring. The primary chemicals of concern (COC) were petroleum hydrocarbons, heavy metals, PCBs, and pesticides. Upon further testing, Summit removed and disposed of over 2,000 tons of hazardous material at a Class I landfill.

 

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Santa Clarita

Interstate 5 – Santa Clarita, CA

Summit Environmental Contractors worked with Granite Construction Company as a subcontractor providing the transportation and disposal for over 8,100 tons of Cal-Haz material. Services provided include a lead compliance plan (LCP) and an excavation and transportation plan (ETP) as well as sampling and testing and air monitoring and training.

 

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South Bayfront Pedestrian Bridge – Emeryville, CA. 

Summit Environmental Contractors provided transport and disposal of contaminated and hazardous soils. The construction job involved soil excavation and restoration from the future Horton Landing Park and surrounding vicinity. The primary chemicals of concern were heavy metals, petroleum hydrocarbons, pesticides and polychlorinated biphenyls (PCBs). To date, Summit has removed and disposed 12,500 tons of material at a Class I landfill and 7,500 tons of material at a Class II landfill. Summit’s contribution supported the city’s objective to install a bridge connecting the Emeryville Greenway located on the east side to the Bay Trail located on the west. The 230-foot span provides pedestrians and bicyclists safe passage over the Union Pacific Railroad tracks from Central Emeryville to the Bay Street Center. The project is scheduled to be completed in the Fall of 2021 and has an estimated price tag of $21.4 million.

 

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