THE ROCHESTER, N.H., Cocheco Well water treatment facility upgrade, engineered by Wright- Pierce.
The Cocheco Well facility, built in the Cocheco River watershed, is the first water treatment facility in New England to be LEED certified, according to a news release. Leadership in Energy and Environmental Design (LEED) certification is a standard set by the USGBC (United States Green Building Council) to reward environmentally conscious building design. There are currently more than 40,000 LEED certified projects in the country, with very few municipal facilities qualifying for the designation.
Driven by an initiative to reduce energy costs and minimize impact to the watershed, Rochester worked closely with Wright-Pierce and the USGBC from the early stages of the project to identify LEED standards and select those that were most cost effective and had the greatest long-term return for the project.
Criteria for LEED certification includes lower operating costs and increased asset value, reduced waste sent to landfills, site sustainability, energy and water conservation, use of recycled and local materials, air quality, and innovation in design. LEED standards were adopted during both the design and construction phases for the project.
The energy saving features of the water treatment plant include a geothermal heating and cooling system, use of high efficiency pumps, and the orientation of the building to take advantage of natural sunlight for lighting. The environmental features of the plant include use of local materials, use of wood products that are certified to be grown in sustainable forests, separation and recycling of waste materials, and the infiltration of stormwater into the ground.
In addition, a water main was installed under the Cocheco River using a technique called “directional drilling.” The technique minimized impacts to the river and surrounding wetlands.
“When undertaking this project we wanted to think long-term about the city’s water customers, so sustainability was key,” said Rick Davee, senior vice president of Wright-Pierce. “ It was a real team effort. Wright- Pierce worked closely with the city and the USGBC to design a facility that meets the LEED standards of sustainability. We’re very proud of the LEED certification.”
Wright-Pierce is also currently working with the Yarmouth (Maine) Water District on a LEED certified new office building. The project is under construction, with occupancy scheduled for January 2012.
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