Challenge Upper Van Horn Reservoir Dam is an Intermediate sized, Significant Hazard potential, earthen embankment structure which is approximately 905 feet long with a maximum height of 32 feet. The condition of Upper Van Horn Reservoir Dam has been rated as “Poor.” The Poor condition rating has been assigned to the dam in Phase I … Read more
Challenge The Upper Van Horn Reservoir Dam is a Significant Hazard potential, Intermediate-sized embankment dam owned and operated by the City of Springfield through their Department of Parks, Buildings, & Recreation Management. The dam is the roadway embankment for Armory Street, roughly between Chapin Terrace to the southeast and Beauchamp Street to the northwest. Immediately … Read more
Challenge The Whites Mill Pond Dam was built as a part of the historic Whites Mill complex in Winchendon, MA. The dam consists of an earthen embankment with a dry-laid stone masonry downstream wall. The dam has been considered in Poor condition primarily due to concerns about seepage and stability. The new owners of the … Read more
The New Jersey Department of Environmental Protection (NJDEP) introduced underground storage tank (UST) upgrade regulations that often required service centers to undertake closure and remediation of multiple fuel storage tanks. Challenge This service station’s owner was unable to fund the mandated upgrades, jeopardizing the small business owner’s livelihood. Solution GZA prepared a successful application for … Read more
Challenge Racine County initiated a monitoring program for Racine Harbor, as the original north and south breakwaters were constructed over 100 years ago. The typical design useful life for Great Lakes coastal structures is 25 to 50 years, given that annual maintenance is provided. The harbor structures are subject to annual significant waves, typically over … Read more
Challenge The channels of Godfrey, O’Brien, and Hospital Brooks are located in the Charles River watershed and are typically lined with stone masonry walls constructed as a WPA project in the 1930s. Extensive development within the watershed has resulted in the increase of stormwater runoff volume and flow rates, which causes additional stress on the … Read more
Challenge In 2014, GZA was contacted by the Marine Renewable Energy Coalition (MRECo). The MRECo had received a grant to create a permanent tidal energy equipment test site for axial turbines near the Bourne Railroad Bridge due to swift and predictable currents. The facility, the first of its kind, had to be constructed to rigorous … Read more
Challenge GZA was retained by the Town of Fairfield to evaluate the feasibility of dredging the channel within Pine Creek, a tidal river along the north shore of Long Island Sound. The channel was last dredged in 1968 and has shoaled to the point where recreational boating has been severely impaired. Solution GZA conducted a … Read more
Challenge The Barnstable Fire District Water Department (BFDWD) required the reactivation of its Well Pump Station #1 and a new Treatment Building #3. Well #1 is the only well of the 5 Barnstable Fire District wells which was found to not contain PFAS, so it was imperative to reactivate as quickly as possible. Being an … Read more
Lytle Park has been serving recreational needs of city residents since 1914. There are many opportunities to enjoy nature, fitness, play, relaxation, and recreation. Looking toward the next 100 years of recreation for Mattoon residents, the Lytle Park Master Plan, completed in 2012, takes the goals and objectives articulated by Justin Grady and the Park … Read more
Challenge On August 28, 2011, Tropical Storm Irene came ashore along coastal Connecticut, causing severe damage to coastal areas. City of Bridgeport’s Seaside Park sustained severe damage as a result of wave action, flooding and erosion. Included in the park’s devastation was the Al Bennett Fishing Pier as storm surge had caused severe structural damage … Read more
The developer of this former pharmaceutical and drum recycling site, comprising two parcels on an approximately 1.5-acre property in Brooklyn’s Williamsburg section, retained GZA to design and oversee remediation of its portion of the site. A seven-story residential development was planned. Remediation of chlorinated solvents in groundwater throughout the site was being completed by the … Read more
Challenge Beach and dune erosion have been an ongoing issue along the approximately 450 linear foot barrier spit that makes up the Hepburn Dune section of the Old Saybrook shoreline. The Borough of Fenwick and Lynde Point Land Trust had expended significant effort and cost to stabilize the shoreline and Lynde Point Marsh during the … 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 Alice’s Garden Urban Farm, one of Milwaukee’s largest community gardens, sought a sustainable, safe water source that would reduce the reliance on municipally supplied water for irrigation. GZA designed a rainwater harvesting system and worked with the garden operator, the local non-profit Reflo, and the community to build it within the organization’s limited budget. … Read more
Challenge When the Wrentham water distribution system required improvements to provide fire flow to an area targeted for economic development, GZA was asked to design the installation of 5,500 feet of 12-inch reinforcing main. Timing was critical to support a planned development project and to meet the requirements of the State MassWorks Grant, which funded … Read more
Challenge The Long Wharf area of New Haven, located within FEMA VE and AE high risk flood hazard zones, is highly vulnerable to coastal flooding. It has historically experienced severe flooding and flood damage from hurricanes and extreme weather events dating to the Hurricane of 1938 and more recently during Hurricane Irene and Superstorm Sandy. … Read more
Challenge Bowery Residents’ Committee retained GZA to investigate and remediate environmental contamination of a steeply-sloped, vacant brownfield site redeveloped into a 13-story supportive housing development with subsurface parking. Historic uses at the site included manufactured gas plant-related structures and an engineering research facility. The project was enrolled in the NYC Office of Environmental Remediation (NYC … Read more
Challenge GZA was selected to advance the City of Northampton’s Climate Resiliency and Regeneration Plan by providing conceptual to final construction-ready design of green infrastructure solutions to improve flood control and stormwater management during extreme weather events. Solution GZA is collaborating with the City of Northampton’s Office of Planning & Sustainability and Department of Public … Read more
