Featured Projects
Read about our exemplary projects to learn how our consultants work across regions, practices, and markets to deliver exceptional solutions, without exception.
All Projects
Geotechnical
Lower San Joaquin River Phase C-2 Geotechnical Design and Analysis
The Lower San Joaquin River Phase C-2 project is part of a larger flood-risk-management program to reduce flood risk in ...
Mission Success
Independent Review of the Cost, Schedule, and Strategic Readiness of an International Nuclear Research Facility
A new advanced nuclear materials research facility under design and construction is a flagship initiative at a major international nuclear ...
Mission Success
Independent Review of a Contractor Assurance System
Longenecker & Associates, a Geosyntec Company, recently conducted an independent review of the contractor assurance system (CAS) at a prominent national laboratory ...
Mission Success
Independent Review of Key Performance Indicators and Extent of Condition of an International Nuclear Research Facility
A major international organization is undertaking design and construction of a new major nuclear materials facility that will become the ...
Mission Success
Enhancing Event Management and Human Performance at a National Lab
A premier United States Department of Energy multidisciplinary science and engineering national laboratory engaged Longenecker & Associates, a Geosyntec Company, to ...
Mission Success
Defining End States for International Nuclear Decommissioning: Applying Lessons from the United States Department of Energy
As Japan progresses with nuclear decommissioning, there is a recognized need to establish clear end states for its sites. Longenecker & Associates, a Geosyntec ...
Mission Success
Corrective Actions for Low Oxygen Alarm Events at a National Laboratory
Longenecker & Associates, a Geosyntec Company, was engaged by national laboratory management to conduct an effectiveness review (ER) to assess the ...
Mission Success
Independent Review of the Formality of Operations for a Major Pulsed Power Facility
A prominent national laboratory operating a critical pulsed-power research facility has been engaged in a multiyear effort to enhance the formality of its ...
Geotechnical
Geotechnical Engineering and Structural Support Review for Ethylene Plant Construction
Geosyntec was retained by the project owner to provide a geotechnical and structural review for an ethylene plant being constructed ...
Geotechnical
Engineering and Construction Services for the Center Hill Dam Foundation Remediation in DeKalb County, Tennessee
Center Hill Dam is one of the multipurpose projects that make up the Corps of Engineers' system for development of ...
Contaminated Sites, Geotechnical
Geotechnical Engineering Support for Wolf Creek Dam Deep Barrier Wall Construction
The Wolf Creek Dam is located on the Cumberland River in the western part of Russell County, Kentucky. The dam ...
Water and Natural Resources
Evaluating and Practicing Innovative Conservation (EPIC) Project Missouri Innovative Nutrient Trading (MINT) Project
The U.S. Department of Agriculture Natural Resources Conservation Service (NRCS) and Missouri NRCS offices awarded Conservation Innovation Grants to the ...
Geotechnical
H-Pile Foundation Installation Oversight and Load Testing
Newport Naval Base in Newport, Rhode Island, had selected a site for a bulk fuel storage tank previously occupied by ...
Geotechnical
Technical Support for a Construction Claim Regarding Historic Fill
During construction of the massive underground highway project in Boston known as the "Big Dig," the Massachusetts Transportation Authority (MTA) ...
Geotechnical
Suspended Geomembrane Cutoff Wall
Groundwater at a site in central Maine had become contaminated from past activities at the site. In order to make ...
Contaminated Sites
Interactive GIS Application Development and Implementation for Chickamauga Lock Grouting Activities
The new 110' x 600' Chickamauga Lock is being designed and constructed by the Nashville District, U.S. Army Corps of ...
Contaminated Sites
DNAPL Investigation in Fractured Bedrock and In Situ Chemical Oxidation for Remediation of Trichloroethene
Since 1956, the Tenneco Automotive facility has been producing automotive components at the project location near Hartwell, Georgia. The site ...
Contaminated Sites
Decommissioning and Demolition Plans and Mercury Containment Removal at a Former Chlor-alkali Manufacturing Plant
The LCP Holtrachem Site is a former chlor-alkali manufacturing facility which used the mercury cell process, located along the Cape ...
Contaminated Sites
Site Investigation and Remediation of NAPL and Sampling and Analysis Plan Development for a Former Creosote Storage Facility
The Bernuth-Lembcke site is a 3.5-acre parcel of land situated in an industrial setting near the Savannah River in Savannah, ...
Contaminated Sites
CAP Approach to Site and Stream Remediation and Reduction of Hydrocarbons in Fractured Bedrock Aquifer at a Former Manufactured Gas Plant
At the Colonial Pipeline Gaffney booster station site, the overburden and bedrock aquifers beneath the site have been impacted with ...
Coastal & Waterfront, Environmental Management, Geotechnical
Multimodal Facility Waterfront Bank Stabilization
In 2016, five areas of significant bank erosion were discovered near the Merrimack Valley Regional Transit Authority (MVRTA) operating facility ...
Water and Natural Resources
Mule Creek Dam Reservoir Inundation Mapping
Mule Dam is located near the city of Ione, in Amador County, California. The 540 acre-feet reservoir holds treated effluent ...
Water & Wastewater, Water and Natural Resources
LA County Metropolitan Transportation Authority
The LA County Metropolitan Transportation Authority (Metro) requested sustainability engineering services for water resources, conservation and compliance. Under legal obligations ...
Environmental Management
Environmental and Management System Support, Multiple Locations in the United States
Arch Resources (Arch) is a leading U.S. producer of metallurgical products for the global steel industry, and the leading supplier ...
Contaminated Sites, ESG Due Diligence
Confidential Investor Due Diligence for Data Center Power Plant
In support of the rapid expansion of American digital and energy infrastructure, an investor sought expert guidance before acquiring a ...
Environmental Management, Water & Wastewater
Waterfront Sustainable Aviation Fuels (SAF) and Power Plant
Strategic Biofuels is building Louisiana Green Fuels (LGF), a carbon-negative waterfront facility in the Port of Columbia, Louisiana, that will ...
Air Quality, Environmental Management
Aemetis Riverbank Biofuels Facility Air and Greenhouse Gas Permitting Support
As part of the Riverbank Army Ammunition Plant Base Reuse Plan, the City of Riverbank wished to create a unique ...
Air Quality, Environmental Management, Water and Natural Resources
Ammonia Facility and Subsea Hydrogen Pipeline Development
Gulf Coast Ammonia (GCA) is an agricultural and specialty chemical manufacturing facility that has been in development since 2017. With ...
Environmental Management, Water and Natural Resources
e-Fuels Feasibility Study
TES (Tree Energy Solutions) commissioned Geosyntec to provide front-end environmental studies and permitting and siting services during the conceptual and ...
Waste Management
Water Supply Planning and Delivery for Hillcrest Country Club
Hillcrest Country Club engaged Geosyntec to help create and implement a water master plan for their property. The objective of ...
Lower San Joaquin River Phase C-2 Geotechnical Design and Analysis
The Lower San Joaquin River Phase C-2 project is part of a larger flood-risk-management program to reduce flood risk in ...
Independent Review of the Cost, Schedule, and Strategic Readiness of an International Nuclear Research Facility
A new advanced nuclear materials research facility under design and construction is a flagship initiative at a major international nuclear ...
Independent Review of a Contractor Assurance System
Longenecker & Associates, a Geosyntec Company, recently conducted an independent review of the contractor assurance system (CAS) at a prominent national laboratory ...
Independent Review of Key Performance Indicators and Extent of Condition of an International Nuclear Research Facility
A major international organization is undertaking design and construction of a new major nuclear materials facility that will become the ...
Enhancing Event Management and Human Performance at a National Lab
A premier United States Department of Energy multidisciplinary science and engineering national laboratory engaged Longenecker & Associates, a Geosyntec Company, to ...
Defining End States for International Nuclear Decommissioning: Applying Lessons from the United States Department of Energy
As Japan progresses with nuclear decommissioning, there is a recognized need to establish clear end states for its sites. Longenecker & Associates, a Geosyntec ...
Corrective Actions for Low Oxygen Alarm Events at a National Laboratory
Longenecker & Associates, a Geosyntec Company, was engaged by national laboratory management to conduct an effectiveness review (ER) to assess the ...
Independent Review of the Formality of Operations for a Major Pulsed Power Facility
A prominent national laboratory operating a critical pulsed-power research facility has been engaged in a multiyear effort to enhance the formality of its ...
