Projects

Looking for ways to implement fish passage at the Norristown and Black Rock Dams, Exelon turned to Gannett Fleming to design innovative fishways at both locations. One of the primary species affected, the American Shad, had not ascended the Schuylkill River since the 1820s when a series of dams were...

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Located east of Florida’s Tampa Bay area, the 15.5 billion gallons C.W. Bill Young Regional Reservoir is a critical resource for its owner Tampa Bay Water and the more than 2.4 million customers it serves. Helping ensure the region’s drought resistance and minimizing reliance on depleting groundwater sources, surface water...

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Red Lion Municipal Authority’s water treatment plant was one of the first in the U.S. designed using building information modeling (BIM). Gannett Fleming, the authority’s engineering consultant for this project, used BIM as a collaborative tool during plant design and construction from 2011 through 2015. Thanks to AutoDesk’s Revit BIM,...

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The Centre for Geographic Information Systems of the Ministry of Municipality and Environment (CGIS-MME) had produced various topographic maps for more than 25 years; however, the agency had never implemented cartographic standards for its map series. In an effort to improve the production and quality of maps for Qatar’s citizens,...

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Regions throughout the world are experiencing significant water shortages. And what is available for human use must be shared for agricultural, domestic, commercial, industrial, and environmental needs. Managing the supply and availability of water is one of the most critical natural resource issues facing the U.S. and the world.  To help...

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Mon Valley Sewage Authority (Authority) worked with Gannett Fleming to implement the projects and recommendations of their combined sewer overflow (CSO) long-term control plan (LTCP) that the Pennsylvania Department of Environmental Protection approved in May 2008. The LTCP is intended to improve water quality for the community by limiting CSO. The...

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Compressor stations play a crucial role in the movement of natural gas by acting as the engine that powers the gas through the pipeline. They are part of a network that fuels the demand for natural gas energy development and export. The stations compress the natural gas entering the facility...

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As more New York City commuters found their way to the suburbs, ridership on the Metro-North, one of the largest commuter railroads in the U.S., increased. Evolving train set technology meant that Metro-North’s maintenance yard and shop facilities could not properly accommodate the fleet of electric cars, diesel-haul coaches, and...

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Dam and levee failure places populations at risk. However, the latest technology tools can be applied to help decision makers evaluate the contingencies and make more insightful dam safety decisions. Geographic information system (GIS) and other technology were part of a $1.6 million dam failure analysis project for the U.S....

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Situated along the Patapsco River on the border of Howard and Baltimore Counties in Maryland, the Union Dam incurred significant damage during Hurricane Agnes in 1972. Three decades later, the damaged bridge had become a threat to the stability of an adjacent sanitary sewer that served nearly 11,000 people.  The Maryland...

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With the U.S. breaking record highs for power use, electric utilities are concerned about the challenges of ensuring a safe and reliable network while managing a fast-shifting landscape, including the impacts of storm events, regulatory and climate change legislation, and aging infrastructure.   Responding to these demands, Gannett Fleming’s geospatial technology...

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In 2005, a sinkhole developed on the upstream side of the Clearwater Dam, which is owned by the U.S. Army Corps of Engineers (USACE) Little Rock District. The USACE concluded during the Phase I contract that a more intense grouting program would be required to reduce permeability of the foundation...

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Beginning in 2004, FEMA contracted with Gannett Fleming to improve and update the nation’s flood maps and to provide communities with digital Flood Insurance Rate Maps (FIRMs). Gannett Fleming used state-of-the-art technology and advanced engineering to increase the quality, reliability, and availability of flood hazard maps and data and employed...

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Gannett Fleming conducted a due diligence study on three mines and their processing facilities. Primary concerns addressed were the geology; resources and reserves; available infrastructure and processing capability; and the capital needed to further develop these resources to meet desired rates of production and product quality. The mines had been...

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Gilboa Dam, located 110 miles northwest of New York City, plays a crucial role in providing water for the city’s residents. In operation since 1927, the dam is undergoing renovations and improvements to extend its service life and comply with dam safety guidelines. In addition to bolstering the dam’s structural...

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Gannett Fleming identified multi-modal solutions to address congestion and mobility issues in the Harrisburg, Pennsylvania region, specifically bridges crossing the Susquehanna River.  Through both the Connections Study and the Harrisburg Area Transportation Study (HATS) Regional Bicycle and Pedestrian Study, solutions were developed to address safety and mobility for all modes of...

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GeoDecisions, Gannett Fleming’s geospatial information technology division, continues to sustain and enhance its award-winning IRRIS application. Developed by GeoDecisions, IRRIS is a mission-essential command and control system that integrates timely tracking, worldwide infrastructure data, and incident response capabilities into a secure geospatial tool for USTRANSCOM and the SDDCTEA. As a result of GeoDecisions’...

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The Lehigh County Authority (LCA) is a public water and wastewater authority utility serving approximately 55,000 customers throughout Northampton and Lehigh counties. To help LCA evaluate its system and plan for the future, Gannett Fleming designed an innovative and efficient water system computer model that seamlessly integrates geographic information system...

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Lehigh County Authority (LCA) is taking a proactive approach to its water main replacement strategy in its Allentown Division System. LCA serves more than 55,000 customers in Northampton and Lehigh counties, Pennsylvania. The Allentown Division system includes more than 300 miles of main, of which more than a third is...

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When Hurricane Katrina barreled into the Gulf Coast 10 years ago, the storm surge caused catastrophic failure of the levee system in New Orleans, Louisiana, and left roughly 80 percent of the city under water and in ruin. The monster storm left more than devastation in its wake though. It...

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