CH2M HILL corrosion, odor control research project earns prestigious innovation award

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DENVER, CO, June 4, 2014 -- During Singapore International Water Week 2014, held June 1-5 in Singapore, CH2M HILL, a global full-service consulting, design, construction, and operations firm, received the 2014 Project Innovation Award (PIA) from the International Water Association (IWA) for its Sewer Corrosion and Odour Research, or SCORe, project carried out in the Asia Pacific Region.

The SCORe project was completed in conjunction with an ongoing ventilation research program of the Water Environment Research Federation (WERF). The project helps to maximize the service life of sewer networks in a proactive approach by providing utilities with a better understanding of in-sewer processes that lead to sewer corrosion and odor issues -- a widespread concern, especially in regions with warm climates.

Due to the complexity of monitoring in-sewer processes, identifying an optimal solution for corrosion and odor management is a challenge -- one that plagues the water industry, and the SCORe project aims to address this gap. Delivered jointly by CH2M HILL and the Advanced Water Management Centre of the University of Queensland, an internationally-recognized center of excellence in innovative water technology and management, the project adds to the industry's understanding of corrosion and odor management and provides tools and technologies to help the water industry better manage, plan and allocate funds for sewer networks.

The SCORe modeling tool determines both natural and forced ventilation in sewers, which can be used to quantify the amount of ventilation needed to prevent odors and corrosion. Additionally, the project's guidance documents help with gathering accurate field data and enable improved designs of sewer system gas phase and treatment systems for greater optimization and cost-savings.

"SCORe demonstrates the significance of developing an effective strategy for the mitigation of corrosion and odor problems in wastewater collection systems," said Jay Witherspoon, CH2M HILL Senior Fellow Technologist. "Taking a proactive approach to managing sewer networks enables utilities to balance costs with benefits both in savings and non-economic considerations to support strategic decisions."

IWA's PIA recognizes excellence and innovation in water engineering projects throughout the world, which demonstrate IWA's mission of identifying water professionals to lead effective and sustainable water management solutions for the world's most challenging projects. All of the regional PIA winners, including CH2M HILL's SCORe project, will advance to the global level competition for the Global Grand Awards, which will be announced at the IWA World Congress in Lisbon, Portugal, in September.

See also:

"International Water Association honors ONE DROP with innovation award"

"SIWW to embody talent development, technology commercialization, industrial water solutions"


Headquartered near Denver, Colorado, USA, employee-owned CH2M HILL is a global leader in consulting, design, design-build, operations, and program management for government, civil, industrial and energy clients. The firm’s work is concentrated in the areas of water, transportation, environment, energy, and facilities. For more information, visit

About Singapore International Water Week

The Singapore International Water Week (SIWW) is the global platform to share and co-create innovative water solutions. Comprising the Water Leaders Summit, Water Convention, Water Expo, Business Forums, Industrial Water Solutions Forum, and TechXchange, it culminates in the presentation of the Lee Kuan Yew Water Prize, a prestigious international water award to recognize outstanding contributions towards solving global water problems. SIWW 2014 will feature discussions on four themes, namely municipal and industrial water, integrated city-environment-water and future of water. For more information, visit


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