Projects

Pure Water San Diego
HELIX Environmental Planning (HELIX) produced a detailed biological constraints report addressing a 20-year, phased program that involves planning, design, and

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San Diego County Water Authority Pipeline Relining Projects
HELIX Environmental Planning (HELIX) provided a variety of environmental services for the Water Authority’s pipeline relining projects located in the

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Miramar National Cemetery Vernal Pool Restoration
HELIX Environmental Planning (HELIX) conducted restoration monitoring of a vernal pool mitigation area located on Marine Corps Air Station (MCAS)

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Sunrise Powerlink
The Sunrise Powerlink project is an approximately 117-mile-long project that includes a 500 kV transmission line from the Imperial Valley

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Owens Valley Solar Energy Study
Following HELIX Environmental Planning’s (HELIX’s) successful preparation of the Inyo County Renewable Energy General Plan Amendment (REGPA) and Program Environmental

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Desert Green Solar Project
The 6.3-megawatt Desert Green Solar Farm, located in Borrego Springs, began commercial operations in 2015 . Prior to construction, HELIX

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Tule Wind Energy Project
HELIX Environmental Planning (HELIX) provided biological and habitat restoration services for Iberdrola Renewables’ Tule Wind Energy Project located in the

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California Energy Commission As-Needed Biological Services for Solar Projects
HELIX Environmental Planning (HELIX) was under contract to Aspen Environmental Group on an as-needed basis to provide impact analyses for

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Devers to Palo Verde No. 2 Transmission Line
HELIX Environmental Planning (HELIX) provided consulting services support to Aspen Environmental Group for Southern California Edison’s (SCE’s) Devers–Palo Verde No.

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Commercial Retail Development at McClellan-Palomar Airport
HELIX Environmental Planning (HELIX) prepared a NEPA Environmental Assessment (EA) for a proposed retail commercial development on airport property at

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Former Navy Training Center Landfill Remediation at San Diego International Airport
HELIX Environmental Planning (HELIX) prepared an Environmental Impact Report (EIR) that evaluated the remediation of the former Naval Training Center

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Gillespie Field Airport
HELIX Environmental Planning (HELIX) is providing as-needed environmental consulting services including botanical surveys and habitat restoration and maintenance at Gillespie

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McClellan-Palomar Airport Wildlife Hazard Assessment
HELIX Environmental Planning (HELIX) assisted C&S Engineers in a year-long Wildlife Hazard Assessment study at the McCellan-Palomar Airport located in

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Transmile Air Services Operating Agreement at March Inland Port Airport
HELIX Environmental Planning (HELIX) prepared and presented a staff report to the March Inland Port Airport Joint Powers Authority (JPA)

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P-614 Special Operations Training Group Battle Course at Marine Corps Base Camp Pendleton
HELIX Environmental Planning (HELIX) prepared a National Environmental Policy Act (NEPA) Environmental Assessment (EA) for a new training range at

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Public/Private Venture Housing at Naval Base Ventura County
HELIX Environmental Planning prepared an Environmental Assessment (EA) pertaining to the implementation of a public/private venture housing privatization program at

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Communication Tower at Spring Hill/Chocolate Mountains Aerial Gunnery Range
HELIX Environmental Planning (HELIX) managed an Environmental Assessment (EA) for Naval Facilities Engineering Command Southwest that evaluated a proposed 150-foot-tall

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Marine Corps Air Station Miramar Grow the Force Projects
HELIX Environmental Planning (HELIX) prepared a Biological Assessment (BA) and Environmental Assessment (EA) for a proposed action that would increase

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25 Area Combat Town Upgrade at Marine Corps Base Camp Pendleton
HELIX Environmental Planning (HELIX) conducted biological surveys and prepared an Environmental Assessment (EA) addressing improvements to the existing 25 Area

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Public/Private Venture Housing at Twentynine Palms
HELIX Environmental Planning (HELIX) prepared an Environmental Assessment (EA) for the acquisition, renovation, construction, and maintenance of military family housing

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Greenbriar Habitat Conservation Plan
Located within the Natomas Basin of Sacramento, the Greenbriar Development Project encompasses a 577-acre agricultural site slated for transit-oriented residential

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Reclaimed Water Conveyance at Marine Corps Base Camp Pendleton
HELIX Environmental Planning (HELIX) is providing environmental management and construction services during the design and construction of a reclaimed water

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City of San Diego Public Utilities Department, As-Needed Environmental Services
HELIX Environmental Planning (HELIX) is currently providing environmental consulting services to the City of San Diego Public Utilities Department (PUD),

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Ted Williams Parkway Pedestrian Overcrossing at Shoal Creek Drive
HELIX Environmental Planning (HELIX) prepared technical studies and provided CEQA/NEPA, sustainable landscape design, and visual simulation services to the City

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Valiano
HELIX Environmental Planning (HELIX) is preparing environmental documentation and supporting technical studies for the construction of a residential community on

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Bernardo Shores
HELIX Environmental Planning (HELIX) prepared an Initial Study/Mitigated Negative Declaration (IS/MND) and obtained permits for the proposed redevelopment of an

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University Avenue Mobility Plan
HELIX prepared an Environmental Impact Report (EIR), prepared and managed preparation of supporting technical studies, and provided support for a NEPA

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SANDAG As-Needed Environmental Services
HELIX Environmental Planning (HELIX) has served as a subconsultant on 15 as-needed San Diego Association of Governments (SANDAG) contracts over

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I-5 North Coast Corridor
HELIX Environmental Planning (HELIX) supported Caltrans District 11 on the I-5 North Coast Corridor (I-5 NCC) Environmental Impact Report/Environmental Impact

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One Paseo
HELIX Environmental Planning (HELIX) prepared an Environmental Impact Report (EIR) addressing a proposed mixed use development located in the City

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Otay Mesa Cross Border Xpress
HELIX Environmental Planning (HELIX) prepared an Environmental Impact Report (EIR), as well as the federal Environmental Assessment (EA) necessary to

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Westfield Carlsbad
HELIX Environmental Planning (HELIX) completed an Environmental Impact Report (EIR) for the expansion of the existing Plaza Camino Real shopping

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Oak Parkway Trail Bicycle Undercrossing
The City of Folsom’s award winning, multi-use bike trail network is recognized as one of the City’s crown jewels and

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Orchard at Penryn
HELIX Environmental Planning (HELIX) conducted a biological resource assessment, habitat mapping, and delineated waters of the United States on an

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Altura Apartments
HELIX Environmental Planning (HELIX) provided air quality and greenhouse gas (GHG) analysis and regulatory permitting services for a 5.55-acre apartment

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The Commons at Prairie City
HELIX Environmental Planning (HELIX) provided regulatory permitting assistance for the Commons at Prairie City project located in the City of

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Meadowlands Subdivision
HELIX Environmental Planning (HELIX) is providing CEQA consultation and regulatory permitting services for the Meadowlands Subdivision project in the City

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Calaveras County On-Call Environmental Services
HELIX Environmental Planning (HELIX) was selected by the Calaveras County Public Works Department to be an on-call environmental consultant, with

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Union City BART Specific Plan
HELIX Environmental Planning (HELIX) is providing technical study and CEQA consultation services for the approximately 25-acre Union City Bay Area

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Kaiser Facility Expansion
HELIX Environmental Planning (HELIX) conducted a due diligence biological assessment of the Kaiser Facility Expansion Project located in the City

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Huntington Memorial Hospital Emergency Department Expansion
HELIX Environmental Planning (HELIX) prepared an Initial Study/Negative Declaration (IS/MND) for an expansion of the emergency department at Huntington Memorial

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East Third Street Community Health Center
HELIX Environmental Planning (HELIX) prepared an Environmental Assessment (EA) for a community health center for QueensCare Family Clinics, a private,

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Mission Cove
HELIX Environmental Planning (HELIX) completed archaeological fieldwork at Mission Cove for a data recovery program at a significant cultural resource

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Lake Wohlford Dam Replacement
HELIX Environmental Planning (HELIX) conducted environmental consulting and cultural resource management services for the Lake Wohlford Dam expansion project for

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University & Innovation District EIR
HELIX managed the preparation of various environmental technical studies and California Environmental Quality Act (CEQA) documentation, as well as provided

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Carrizo Marsh Habitat Restoration
HELIX currently provides habitat restoration services for the approximately 318-acre Carrizo Marsh in Anza Borrego Desert State Park. The project

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Maintenance and Operations Center Low Water Use Landscape & Irrigation Retrofit
HELIX Construction Group staff provided landscape services for the City of San Diego’s Maintenance and Operations Center. HELIX removed all

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Eastlake III Wetland Restoration
HELIX Environmental Planning (HELIX) biologists and Construction Group staff prepared construction documents and specifications for the Eastlake III Woods and

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Inland Feeder Utility Project Habitat Restoration
HELIX Environmental Planning (HELIX) biologists and Construction Group staff conducted upland habitat restoration and enhancement services for approximately 100 acres

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Salk Owner’s Association Open Space Restoration & Monitoring
HELIX Environmental Planning (HELIX) biologists and Construction Group staff worked with the Salk Owner’s Association and a group of commercial

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Carlsbad Raceway Habitat Restoration & Maintenance
HELIX Environmental Planning (HELIX) biologists and Construction Group staff worked with a commercial developer to design and restore approximately 20

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Proctor Valley Vernal Pools & Upland Restoration
HELIX Environmental Planning biologists and habitat restoration experts conducted a vernal pool and upland restoration in San Diego County for the Chaparral

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Arnie’s Point Vernal Pools
HELIX Environmental Planning (HELIX) biologists and Construction Group staff conducted vernal pool habitat restoration for the Arnie’s Point Vernal Pool/Fairy

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Carlsbad Oaks North
HELIX Environmental Planning (HELIX) provided environmental compliance monitoring during construction and during the post-construction phase of the Carlsbad Oaks North

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Westside Infill Transit Oriented Development Project
HELIX Environmental Planning (HELIX) conducted technical analysis focused on mobile-source greenhouse gas (GHG) emissions for an infill development project proposed

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San Ysidro Community Plan Update
HELIX Environmental Planning (HELIX) is preparing an Environmental Impact Report (EIR) for a planned update to the City of San

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Upper San Gabriel Valley Municipal Water District Indirect Reuse Replenishment
HELIX Environmental Planning (HELIX) provided CEQA and NEPA-related environmental support services for this proposed groundwater recharge project along the San

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Sweetwater Vistas
HELIX Environmental Planning (HELIX) is providing environmental consulting and biological services on a 52-acre project site in the community of

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California/Scripps Proton Treatment Center Vibration Measurement for MRI System
HELIX Environmental Planning (HELIX) provided initial building construction planning including noise control for a physician’s office from jet overpass noise

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Palmdale Regional Groundwater Recharge & Recovery
HELIX Environmental Planning prepared an Environmental Impact Report (EIR) and conducted associated technical studies (including biological resources, acoustics, and air quality/greenhouse

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Iowa Street Senior Housing Waste Management Plan
HELIX Environmental Planning (HELIX) prepared air quality and greenhouse gas emissions technical reports and a waste management plan for a

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City of Clovis Veteran’s Affairs Environmental Compliance
HELIX provided cultural resource services for compliance with Veteran’s Affairs Section 106 of the National Historic Preservation Act (NHPA) regulations

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Torrey Pines City Park General Development Plan
HELIX prepared a Biological Technical Report (BTR), Air Quality and Greenhouse Gas (GHG) Technical Report, and draft Initial Study/Mitigated Negative

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City of San Diego Bicycle Master Plan Update PEIR
HELIX Environmental Planning prepared a Programmatic Environmental Impact Report (PEIR) for an update to the City of San Diego’s existing

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Qualcomm Stadium Wetland Mitigation
HELIX is leading a 57-acre habitat restoration project within the San Diego River channel, between I-15 and I-805, south of

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UC San Diego Center for Novel Therapeutics
HELIX prepared CEQA documentation for the proposed therapeutics research facility on the campus of the UC San Diego. Tasks include

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Bayshore Bikeway
HELIX Environmental Planning has provided environmental services for five segments of the Bayshore Bikeway, a regional bicycle corridor that will

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Caltrans District 11 On-Call Environmental Services
HELIX was awarded a three-year multi-disciplinary contract with Caltrans District 11 to provide environmental, biological, and cultural resources services, with

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California High Speed Rail
HELIX Environmental Planning has prepared desktop environmental constraint analyses for segments of 16 potential high speed rail alignment corridors extending between

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Pardi Market Plaza Master Plan
                                       

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Arden Park Retrofit
HELIX staff completed construction documents for major renovations around the community center at Arden Park. The plans included creation of

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Hazel Meadow Day Use Area
HELIX staff provided restoration design services for Hazel Meadow Day Use area within the Sly Park Recreation Area in El

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Loomis Town Center
HELIX staff completed the landscape architecture design for Taylor Road from Horseshoe Bar Road to Shawn Way in downtown Loomis.

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Stock Ranch Nature Preserve
HELIX Environmental Planning (HELIX) staff developed a restoration, trails, and interpretive plan for the Stock Ranch Nature Preserve in the

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Sunrise Boulevard Complete Streets Phase 1 and 3
HELIX staff provided landscape design and environmental review services for the City of Citrus Height’s Sunrise Boulevard Complete Streets Phase

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El Dorado County Cooperative Wildland Fire Prevention Strategy
HELIX Environmental Planning (HELIX) is providing environmental services for a fuel break project in El Dorado County involving cooperative efforts

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Rancho Guejito Witch Fire Biological Damage Assessment
HELIX Environmental Planning (HELIX) conducted studies to assess effects of the Witch Fire on the 21,000-acre Rancho Guejito property located

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City of San Diego Brush Management Plan
The City of San Diego Open Space Division, under three awarded FEMA grants, carried out a brush management plan to

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Angels Camp Sewer Line Collection System
HELIX is currently preparing a CEQA Initial Study/Mitigated Negative Declaration (IS/MND) and a Mitigation Monitoring and Reporting Program (MMRP) for

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Dumbarton Transit Oriented Development FMC Parcel C
HELIX prepared an IS/MND addressing construction of a mixed-use development on 17.4 acres as part of the Dumbarton Transportation Oriented

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California HCD Fuel Break Expansion
HELIX is currently providing Section 106 and CEQA/NEPA services, including preparation of the appropriate environmental review documents and supporting technical

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Arcade Creek Feasibility Study
HELIX Environmental Planning (HELIX) staff prepared a feasibility study on Arcade Creek in the City of Sacramento to examine the

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Arcade Creek Grant Support
HELIX staff prepared the successful Proposition 50/CALFED grant proposal for $1 million for the City of Sacramento, Department of Utilities,

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Longview Oaks Restoration & Enhancements
HELIX Environmental Planning (HELIX) staff developed the Longview Oaks Master Plan and construction documents, and supervised construction. The parcel of

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