Construction

Hampton Road Bridge Tunnel – VA

Project Details Location: Hampton Roads, VA he existing tunnel from Hampton to Norfolk, Virginia at the mouth of the Chesapeake Bay was continually congested. The state built needed to build another tunnel next to it to help alleviate the situation. Each end of the tunnel required a treatment system. The treatment systems had to be …

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Shipyard PFAS Remediation

Project Details LocationSturgeon Bay, Wisconsin Clear Creek Systems designed and mobilized a 200 GPM PFAS temporary treatment system, for a project at a Wisconsin shipyard. The system was designed to treat for PFAS, PFOA, turbidity, TSS, and pH. The system was operational within a week of the project being awarded and has continued to meet …

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Residential Development Site

Project Details Location Washington State In fall of 2015, record rainfalls hit the Pacific Northwest causing many construction sites to flood with turbid stormwater runoff. Clear Creek Systems, Inc. responded to an emergency call at a construction project located in south-western Washington state. The project’s 3 million gallon stormwater retention vault was reaching capacity and …

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Sonora Bypass

Project Details Location Sonora, CA Caltrans contracted with Tiechert to build a bypass on Highway 108 in Sonora CA. Under CA General Stormwater Permit, storm water was required to be discharged to a nearby creek. Initial attempts to provide erosion control by standard BMPs proved ineffective to meet discharge requirements. Treatment Clear Creek mobilized a …

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Devil’s Slide Tunnels

Project Details Client Kiewit Corporation Location Pacifica, CA Devil’s Slide Tunnels were designed by California Department of Transportation (Caltrans) to re-route existing Highway 1 traffic around an unstable geologic formation called Devil’s Slide. Two 28′ diameter tunnels approximately 1 mile long with 10 cross passages were constructed. During excavation, groundwater and process drilling water was …

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Cal Memorial Stadium

Cal Memorial Stadium

Project Details Client Webcor Builders Location Berkeley, CA Renovations began on the Cal Memorial Stadium by Webcor Builders. During concrete curing operations, it became necessary to treat the water for pH adjustment. A separate system was needed to address storm water prior to discharge under the NPDES Construction General Permit. Treatment Clear Creek mobilized a …

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TT 1 & 2 – Alameda Sea Plane lagoon

Project Details Location Alameda, California Sea Plane lagoon was dredged in preparation for redevelopment of Alameda Naval Station and Treasure Island. The lagoon was suspected to contain hydrocarbons and trace metals due to former use. Dredge spoils were brought up into holding wells. The leachate from the holding wells was transferred to holding tanks. Treatment …

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MGP Rockford

Project Details Client William Charles Construction Location Rockford, IL A large power supplier undertook the site remediation of a 14-acre legacy property in Northern Illinois, formerly a manufactured gas plant from the late 19th century through 1947. Above ground structures were demolished and removed. The site had a variety of contaminants in the soil and …

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Mountain Lake

Project Details Location San Francisco, CA Mountain Lake, part of San Francisco’s Golden Gate National Park, was contaminated from highway storm water runoff over the last few decades. The dredge contractor for the project elected to use a suction dredge and dewatering bags to remove the contaminated sediments. The heavy sediments were removed using bags …

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Doyle Drive

Project Details Client R&L Brossamer Location San Francisco, CA In San Francisco, R&L Brossamer was contracted to construct the Doyle Drive realignment using a cut and cover tunnel approach and demolition of an existing elevated roadway for Caltrans. Dust concerns during demolition necessitated large amounts of dust control water to be used in addition to …

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