Geotechnical, Water, Ecology, Environmental, Construction Mgmt
Challenge The 3-acre property, located in South Stamford, CT along the East Branch of the Stamford Harbor, was underlain by fill material dredged from the adjacent canal between the mid-1800s and the early to mid-1900 that had been impacted by historical manufacturing activities. The approximately 30,000-square foot two-story site building, which was constructed c. 1920s, was … Read more
Challenge In 2016, Deepwater Wind (DWW) was selected through a tri-state RFP process to construct Tobacco Valley Solar (TVS), a 26.4-megawatt solar photovoltaic electric generating facility in Simsbury, Connecticut. The approximately 300-acre parcel consisted primarily of agricultural fields that were historically used to grow tobacco and surrounded by residences. From the start, the project faced … Read more
Challenge In 2005, the Bridgeport Regional Maritime Complex (BMRC) became a milestone brownfield success story for the State of Connecticut, The Bridgeport Port Authority and the City of Bridgeport by enabling 200 high-wage, ship building jobs on an abandoned 48-acre waterfront site located on Bridgeport Harbor and the Yellow Mill Channel. This project addresses three … Read more
Challenge Cape Ann’s Marina Resort offers waterfront accommodations, restaurants, spa, indoor and outdoor pools, and event venues, as well as the Cape Ann Marina for boat dockage, fueling and storage. The facility is located on the Annisquam River near mile marker one of the Atlantic Intracoastal Waterway. With increased occurrences of flooding during Nor’easters and … Read more
Challenge The State of Connecticut Department of Construction Services and Department of Energy and Environmental Protection (CTDEEP) approved funding for design and construction of an extension of an existing boardwalk at Silver Sands State Park as well as the construction of a new boardwalk at Walnut Beach in Milford. The boardwalk needed to cross two … Read more
Challenge During repairs to the park’s canal lock, wetlands and wetland transition areas were impacted by placement of unconsolidated fill. GZA’s ecological services and environmental engineering were required to bring the site into compliance with the New Jersey Department of Environmental Protection (NJDEP) Bureau of Coastal & Land Use Compliance/Enforcement. GZA was also tasked with … Read more
The Rhode Island Coastal Resources Management Council (CRMC) and The Nature Conservancy (TNC) received funding from the National Oceanic and Atmospheric Administration (NOAA) Coastal Resiliency Grant Program to increase coastal resilience and reduce risk to people, infrastructure and natural resources in coastal communities by building and monitoring nature-based coastal infrastructure throughout New England. TNC raised … Read more
Challenge The Massachusetts Office of Fishing and Boating Access (OFBA) manages several boat launch ramps throughout the Commonwealth of Massachusetts. These facilities are located in varying shoreline locations, including rivers, lakes, bays, lagoons, and harbors. Maintenance and upgrades are required. Solution Over the past twenty years GZA has been retained to provide professional engineering services … Read more
Brown and Howard Wharf extends from historic Thames Street into Newport Harbor in Newport, Rhode Island. The original solid filled stone seawall wharf was built in stages over 100 years ago and was most recently used as a small marina consisting of watercraft vessel storage during the winter or vehicular parking during the summer, dingy … Read more
The City of Beverly, Massachusetts owns abutting waterfront properties at Glovers Wharf, Ferry Landing, and the Commercial/Harbormaster facilities in Beverly Harbor. GZA provided engineering services for the planning, evaluation, permitting, and design, as well as construction support services for various floating dock systems, timber pier, concrete and steel wharf, bulkhead, backland, and dredging. Challenge The … 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 Emery & Garrett Groundwater Investigations, a division of GZA (EGGI/GZA), has provided groundwater consulting services to a former military base for 15 years as part of the base’s redevelopment. The mixed-use development proposed for the site will be exclusively reliant upon groundwater resources to meet its current and anticipated potable water supply needs, utilizing … Read more
Challenge The City of Springfield is responsible for 22 waterbodies within its borders. These desirable natural resources in an urban setting provide a valuable public recreational resource but are adversely affected by the encroaching urban development. GZA has been engaged by the City to stay abreast of related wetlands regulatory compliance and to address ongoing … Read more
Challenge Artificial recharge basins enhance aquifer productivity and protect the environment. A groundwater production well using Artificial Recharge was developed by EGGI in the Spruce Hole Aquifer to meet peak water supply demands of the UNH/Durham Water System during late summer and fall periods. The client desired to increase the productivity of their production well from … Read more
Challenge EGGI, a division of GZA, was selected by a $6 billion international consortium – with extensive private and public interests throughout the Dominican Republic – to design and complete a first-of-its-kind countrywide advanced groundwater resources assessment. Portions of the Dominican Republic are arid and the Country’s water supply situation has become increasingly dire. New supplies of affordable and … Read more
Challenge GZA was commissioned to assist a legal client with active litigation proceedings on the part of several owners of a residential condominium development. The condominiums were constructed on top of an improperly closed landfill, resulting in both environmental and geotechnical issues. The building slab had begun to crack because of differential settlement in the … Read more
PRINT READY VERSION> Challenge Vibration and deflection monitoring of liquefied natural gas (LNG) tanks and associated facilities are critical when construction or demolition is occurring nearby. With state-of-the-art technology, GZA enhances the delivery – and reduces the cost – of these instrumentation services to power sector clients. Solution Traditionally, monitoring such facilities was costly, … Read more
Challenge Melick-Tully & Associates (MTA), now a division of GZA, worked closely with the lead engineering firm to complete soil borings and individual design reports for 120 new PSE&G overhead transmission towers along an approximate 45-mile corridor. GZA also provided on-site engineering observation during construction of the foundations. Coordination and scheduling for this high-profile project were … Read more
Challenge For over 20 years, GZA has provided a full spectrum of Environmental Health and Safety (EHS) services for H.C. Starck (HCST), a leading supplier of specialty technology metals and advanced ceramic materials used in the electronics, aerospace, energy, medical technology and chemical industries. HCST was looking for a system to help them better understand … Read more
Challenge Since 1999, Dartmouth College has called upon GZA to provide a wide range of technical services to the offices of Environmental Health and Safety (EHS), Real Estate, and Campus Planning and Facilities. Through this strategic partnership, more than 140 assignments have been successfully executed to date, including environmental, geotechnical engineering, ecological, and construction management … Read more
Challenge GZA was engaged to assess the feasibility of upgrading two existing dams on the East Branch of the Housatonic River for hydroelectric generation. Originally built to provide water and hydromechanical power to paper mills adjacent to the river, the dams no longer generated energy. GZA’s work was integral to the client’s multi-phased approach to … Read more
Challenge Our client’s supply base is a complex network with thousands of global suppliers impacting the environment. On an annual basis, GZA has been asked by our client to engage with several hundred key suppliers on various environmental stewardship issues to better understand how they are addressing climate change, water, waste, and air-related issues. Solution … Read more
Challenge Since 2010, GZA has performed investigation and post-remedial action monitoring on behalf of the New Hampshire Department of Environmental Services (NHDES) at the New Hampshire Plating Company (NHPC) Superfund Site on the bank of the Merrimack River. NHPC had operated an electroplating facility there from 1962-1985 resulting in groundwater contamination that included metals, cyanide, … Read more
Challenge The Mill River Reservoir Dam is a 100-ft high earthen embankment structure located in Pound Ridge, New York and impounds the 2,180 acre-ft Mill River Reservoir. Nearby, the Trinity Reservoir Dam is a smaller earthen embankment dam. Both impoundments are used for water supply by Aquarion Water. In 2009, the State of New York … Read more