Geotechnical, Water, Ecology, Environmental, Construction Mgmt
This Class I – High Hazard dam, constructed in the early 1900s, provided a source of water and electricity for a downstream paper mill (now closed). The New Jersey Department of Environmental Protection (NJDEP) owns the portion of the dam located within Holland Township; the portion in Pohatcong Township is privately owned. Regular Dam Inspections … Read more
GZA has provided environmental consulting and geotechnical engineering services to Quick Chek Corporation for more than 20 years in support of their retail gasoline operations. In total, more than 300 gasoline tanks have been installed at more than 100 stores in New Jersey and New York. Challenge Quick Chek has constructed hundreds of locations with … Read more
Challenge The projects involved the design of three onshore interconnection substations, three export cable landings, and over 20 miles of underground transmission cable tasked with bringing power generated from three offshore wind farms to land and connecting to the onshore grid. GZA was the geotechnical engineer responsible for collecting subsurface information along the cable routes … Read more
Significant areas of the 1,500-foot-long seawall at Fort Mott State Park had deteriorated and no longer provided necessary protection from heavy erosion caused by the Delaware River and tidal fluctuation. The risk of loss of land within the historical fort facility – part of the Harbor Defenses of the Delaware constructed between 1872-1902 –required comprehensive … Read more
Challenge The main campus of Columbia University, located in the Morningside Heights area of Manhattan, includes several large boilers at its central power plant and other fuel-burning equipment such as emergency engines, boilers, water heaters, chillers, etc. and laboratory hoods throughout the campus that operate under a Title V permit. The Title V permit requires … Read more
Challenge The client’s proposed 150-acre, mixed-use development is adjacent to an industrial site at which plastics and coatings were used. The adjacent site has been identified by the state as a source of per- and poly fluoroalkyl substances (PFAS) contamination contributing to soil and groundwater impacts. Because PFAS have been identified as a potential hazardous … Read more
Challenge GZA worked with a major financial institution redeveloping a 61-acre brownfield site into a database center. The long-vacant site had housed a sprawling, former institutional facility with 32 abandoned and derelict buildings, walkways, roads and significantly overgrown landscape areas. The site’s enrollment in the New York State Department of Environmental Conservation (NYSDEC) Brownfield Cleanup … Read more
Challenge GZA investigated and undertook complex soil and groundwater remediation at this site, impacted by historic manufactured gas plant (MGP) activities, which houses the town’s century-old, 165-foot water tower. The high-profile project, located in a residential/commercial area, also addressed multiple stakeholder concerns. Solution GZA delineated impacted soil and groundwater and prepared a remedial alternative feasibility study … Read more
Challenge GZA was selected to complete the delineation and present remedial alternatives to achieve closure at a site impacted by a former Manufactured Gas Plant (MGP). The site, in a densely populated area adjacent to a tidal river, required strong environmental and geotechnical engineering, as well as regulatory expertise. Solution After delineating the extent of … Read more
Challenge With limited internal resources to plan, manage, and execute an asset decommissioning and demolition program at active manufacturing sites in multiple Mid-Atlantic states, an industrial client requested GZA’s Construction Management (CM) assistance. Working safely without interruption to ongoing operations was paramount. Solution GZA’s construction management professionals exercised a variety of project delivery systems depending … Read more
Challenge From permitting to construction completion, this solar development program in partnership with Kearsarge Energy – design and construction of a solar field atop three previously capped landfills – presented challenges: as the first project of its type in the state, the permitting process was without precedent; protection of the landfill caps was paramount; and as-built … Read more
Challenge To achieve regulatory closure at this former manufacturing site nestled within a residential section of Newark’s Ironbound District, GZA is remediating chlorinated volatile organic compounds (cVOCs) in soil and groundwater and also addressing cost allocation issues for remediation of commingled off-Site groundwater plumes Solution GZA designed and constructed of a full-scale soil … Read more
Challenge Firmenich retained GZA to complete a large-scale ecological restoration project on its active industrial property adjacent to Newark Bay, an area impacted by a long history of industrial use. The fragrance manufacturer was eager to re-establish a robust ecosystem supporting pollinators, migrating songbirds, raptors, small mammals and northern diamondback terrapins into the sterile waterfront. … Read more
Challenge GZA provides identification, quantification and assessment of asbestos-containing materials (ACM) and lead-based paint (LBP) at active, high-profile, high-traffic Port Authority of New York and New Jersey (PANYNJ) facilities throughout the region, safely completing numerous projects simultaneously. Solution Experienced and licensed GZA field staff provide oversight, project control, inspection, monitoring, and air testing for safe … Read more
Challenge Melick-Tully Associates (MTA), a division of GZA, is providing geotechnical engineering services at this long-vacant, 383-acre site being redeveloped into a four-million-square-foot warehouse complex in the booming Central New Jersey/Lehigh Valley, Pennsylvania distribution corridor. The former industrial site presents numerous engineering challenges, including diverse subsurface conditions caused by geologic and historic use; differing land use and … Read more
Challenge Prologis, a leader in logistics real estate development, turned to Melick-Tully, a Division of GZA, to provide the geotechnical engineering services needed to develop a large, strategically located property with very challenging soil conditions and complex project requirements. The project involved construction of a 540,000 square foot warehouse building and a new 1900-foot-long rail … Read more