• TERICenter for Research and Life Planning

    HELIX prepared an EIR to address the construction of a 92,700 s.f., non-profit educational and research facility for children and adults with developmental and learning disabilities in the Twin Oaks community in northern San Diego County. The project would preserve and incorporate a local historic ranch house. Primary issues include land use and planning, agriculture, transportation, biological...

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  • UCSD On-call Environmental Services

    HELIX has provided on-call environmental planning services to UCSD for over 10 years, over which time the contract has been extended three times by UCSD’s Physical Planning Office.  Task orders have entailed working as an extension of UCSD staff and preparing and coordinating multiple, simultaneous CEQA documents and technical studies by HELIX staff and our five...

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  • California Energy CommissionAs Needed

    HELIX is providing biological support as part of a team under contract to the California Energy Commission (CEC) to provide impact analyses for proposed solar energy projects. HELIX has conducted field assessments evaluating the potential for listed and sensitive plant and animal species to occur on each site. HELIX also analyzed the biological impacts of alternatives considered in the...

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  • Ocotillo Wind Energy Project

    HELIX is providing biological consulting services to Pattern Energy Group for their 265-megawatt Ocotillo wind energy project in Imperial County. The project includes 112 wind turbines on approximately 12,500 acres of lands administered by the BLM. HELIX worked closely with local BLM staff and the BLM district office to develop biology survey protocols for the site that met state and federal...

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  • Robinhood Ridge

    HELIX provided habitat restoration services for this residential project located on Otay Mesa in the City of San Diego. The project include restoration of 27 acres of slopes with coastal sage scrub and restoration of a 10-acre vernal pool preserve that supports 84 vernal pools. HELIX has overseen all aspects of the project ranging from permitting and restoration planning to project...

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  • Salk Habitat Restorationand Open Space Management

    HELIX is assisting a group of commercial developers to implement a 19-acre habitat restoration project located in Carlsbad, California. The effort includes both biological monitoring and maintenance of the project area by the HELIX construction group, including restoration of both upland and wetland habitats. This project is unique in that it is home to one of the largest populations of the...

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  • Huntington Hospital

    HELIX prepared a CEQA IS/MND for an expansion of the Emergency Department at the Huntington Memorial Hospital in Pasadena, California. The project consisted of two major components: an amendment to the Huntington Memorial Hospital Master Development Plan and the development of the Emergency Department and Vertical Expansion Project. The project included the demolition of an existing medical...

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  • UCSD Thornton HospitalEast Campus Bed Tower EIR

    HELIX prepared an EIR, biological resources studies, and a noise technical study for an expansion at UCSD Thornton Hospital on the East Campus. The project included a 10-story, 200-foot-tall, 470,000 s.f. bed tower, containing 245 patient care beds and a variety of accompanying facilities. Key environmental issues included traffic; construction-related air quality; and biological resources,...

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  • Riverside County Fire Stations

    HELIX prepared the initial study for the construction and ongoing operation of a new Cajalco Fire Station (to replace the existing Cajalco Fire Station) and a new 1,200 s.f. Meeting Room; construction and operation of a 19,000 s.f. operations building and a 12,600 s.f. shop building at Western Municipal Water Districts Operations Center; installation of a 15,000 gallons per day (gpd) package...

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  • Salk Institute for Biological Studies

    HELIX prepared an EIR for the expansion of the world-renowned Salk Institute for Biological Studies (Institute), a private, biotechnology research institute in the University Community Plan area of La Jolla and coastal zone of the City of San Diego. The EIR addressed proposed new construction including scientific research buildings, support space, employee daycare facility, temporary housing...

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  • National City Marine Terminal Expansion

    HELIX prepared an EIR for a proposed expansion of one the primary marine terminals serving the San Diego area under contract to the San Diego Unified Port District. The expansion included extending the wharf area by 1,200 feet, creating a turning basin for cargo ships in the bay, extending a railroad spur, disposal of dredged materials, and habitat creation to offset biological impacts...

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  • San Ysidro Port of Entry

    HELIX prepared an Environmental Impact Statement (EIS) and supporting technical studies for the reconfiguration and expansion of the existing San Ysidro Land Port of Entry at the U.S.-Mexico border. The project would demolish most of the existing facilities and new facilities would be constructed, including new northbound primary and secondary inspection areas, an administration building, a...

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  • Montecito Ranch

    HELIX managed the preparation of an EIR and supporting technical studies for the construction of a rural residential development in the community of Ramona. The EIR and technical studies addressed a clustered development concept within a 935-acre Montecito Ranch Specific Plan area; including 417 single-family homes, a potential water reclamation facility, local roadway improvements, and two park...

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  • Otay Crossings Commerce Park

    HELIX prepared a Supplemental EIR (SEIR) and technical studies (biology and noise) for the proposed Otay Crossings Commerce Park project, a 311-acre industrial subdivision located along the U.S.-Mexico border within the East Otay Mesa Specific Plan area of the County of San Diego. The project proposes the subdivision and grading of the land into 62 lots in preparation for future development of...

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  • Fort Rosecrans National Cemetery Annexat MCAS Miramar

    On behalf of the U.S. Department of Veterans Affairs National Cemetery Administration, HELIX provided environmental and regulatory compliance services for the Fort Rosecrans National Cemetery Annex at Miramar Project on 323 acres of the Marine Corps Air Station (MCAS) Miramar in San Diego County, California. The purpose of the project is to meet the mission of the NCA to provide needed burial...

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  • Naval Facilities Engineering Command (NAVFAC)Southwest Indefinite Delivery/Indefinite Quantity (IDIQ) Contracts

    In 2010, HELIX completed two IDIQ environmental and military planning contracts for NAVFAC Southwest. Between the two contracts, HELIX completed 41 task orders worth over $8 million. Task orders completed by HELIX included 10 NEPA Environmental Assessments, as well as, biological resources studies, habitat restoration plans, other environmental technical analyses, and military planning...

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  • Otay HillsAggregate Extraction Project

    HELIX is providing environmental services in support of a 100-acre aggregate extraction project located within a 410-acre study area in the East Otay Mesa Community in south San Diego County. The project involves establishment of a mineral resource recovery operation and associated activities to provide much-needed construction aggregates and materials to serve future development in San Diego...

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  • Quarry Creek

    HELIX prepared an EIR for the Quarry Creek Project and a Subsequent EIR for the 104-acre South Coast Materials Quarry Reclamation Project located in the Cities of Carlsbad and Oceanside. The Quarry Creek EIR addressed the realignment of Buena Vista Creek to the north within the mine property as approved in the 1991 Reclamation Plan and an alternative that would leave the creek in place. The...

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  • Barnett RanchOpen Space Management Plan

    HELIX prepared an Open Space Management Plan for the 760-acre Barnett Ranch property located in the County of San Diego in Ramona. The Open Space Preserve within Barnett Ranch is both within and adjacent to the Pre-approved Mitigation Area in the County Multiple Species Conservation Program's San Vicente corridor. The HELIX team performed vegetation mapping, general biological surveys, rare...

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  • Tecolote CanyonNatural Resource Management Plan

    HELIX prepared a Natural Resource Management Plan for the approximately 900-acre natural park in the Linda Vista and Clairemont Mesa communities of the City of San Diego. Although it is virtually surrounded by urban development, the park contributes to the City's MSCP preserve system and supports a number of sensitive plant and animal species. Work in support of the management plan included...

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  • On-Call Services Contracts

    HELIX specializes in the delivery of on-call environmental and design services for a wide variety of public clients. Following is a representative list of clients: San Diego Association of Governments (formerly San Diego Metropolitan Transit Development Board) Caltrans District 11 Environmental Services and Landscape Architecture Services University of California at San Diego...

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  • Lake Hodges Bicycle Pedestrian Bridge

    HELIX provided environmental services in support of the award-winning Lake Hodges Bicycle Pedestrian Bridge, which is the longest stress ribbon bridge in the world. This environmentally sensitive bridge provides a crossing for hikers, bikers, joggers and bird watchers across the sensitive habitat of Lake Hodges as part of the 55-mile Coast to Crest Trail within the San Dieguito River Park....

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  • Santee Town CenterMaster Plan

    HELIX provided environmental planning and compliance services for the multi-phase Santee Town Center Park Master Plan project located along the San Diego River for the City of Santee. This state of the art sports and activity project features an aquatic/gymnastic center, and a 15-acre sports complex that includes three lighted softball/baseball fields with artificial turf outfields, two arena...

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  • University AvenueMobility Plan

    HELIX prepared technical studies and CEQA/NEPA documentation for the University Avenue Mobility Plan (UAMP) project for the City of San Diego. The plan proposes multi-modal improvements along University Avenue, between Florida Street and Boundary Street, within the San Diego community of North Park. Implementation of the UAMP would include improvements related to roadways, transit, pedestrian...

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  • University Towne CenterRevitalization Project

    HELIX completed an EIR evaluating the redevelopment and expansion of the UTC regional shopping center in the University Community Planning area of the City of San Diego. The EIR evaluated the expansion of the 1+ million s.f. regional shopping center through the redevelopment of existing shops, department stores and surface parking areas, and addition of 750,000 s.f. of new retail space, several...

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  • I-215 / Van Buren Boulevard Interchange

    HELIX Landscape Architects prepared the initial Visual Impact Assessment (VIA) technical study; Landscape Concept Plan; and Final Design Plans, Specifications and Estimates (PS&E) for the interchange replacement project at Interstate 215 and Van Buren Boulevard in Riverside County. The Landscape Concept Plan utilized a design theme derived from the nearby March Air Field and Museum....

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  • SANDAG On-call Environmental Services

    HELIX provided on-call environmental services to the Metropolitan Transit Development Board (MTDB), which was renewed and continued with the San Diego Association of Governments (SANDAG). Under this contract, HELIX provided specialized assistance in the environmental review of rail and bus transit and transportation capital improvement and planning projects. Services included determining the...

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  • SR 163 Friars Road Interchange

    HELIX managed the preparation of an EIR, biological studies, Archaeological Resources Inventory, Historical Resource Research Report, Acoustical Assessment Report, Air Quality Technical Report, and Community Impact Assessment to meet the requirements of both CEQA (City of San Diego) and NEPA (California Department of Transportation [Caltrans]/Federal Highway Administration) for this project...

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  • Metropolitan Water District of Southern CaliforniaOn-call Services

    HELIX is currently providing environmental services to Metropolitan Water District of California (Metropolitan) under two as-needed contracts: one focused on providing biological resources support for vegetation management activities, and the other focused on providing CEQA compliance and related services for planned improvements to the Colorado River Aqueduct. In 2009, HELIX completed a...

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  • Twin Oaks ValleyWater Treatment Plant

    HELIX prepared an EIR and technical studies addressing two conceptual design options (conventional versus membrane filtration treatment) for the County Water Authority's 100 million gallon per day regional water treatment plant on a 35-acre site in northern San Diego County. The EIR included evaluations of specific Design-Build-Operate proposals and two alternative access road designs. Following...

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