Granite Selected for Approximately $215 Million Tunnel Project in Akron Ohio

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Granite (NYSE:GVA) has been awarded a $215 million contract by the city of Akron, Ohio to construct the Northside Interceptor Tunnel Project (NSIT) to prevent combined sewer overflows. The project will be funded by the Ohio Environmental Protection Agency’s Water Pollution Control Loan Fund (WPCLF) and is expected to be included in Granite’s Q3 CAP. The NSIT project includes a 6,660 linear feet tunnel with a diameter of 16.5 feet to accommodate both dry and wet-weather sewage flow and store combined sewage.

WATSONVILLE, Calif.--(BUSINESS WIRE)-- Granite (NYSE:GVA) has been awarded an approximately $215 million contract by the city of Akron, Ohio to construct the Northside Interceptor Tunnel Project (NSIT) to aid in preventing combined sewer overflows from entering the Cuyahoga River during typical storms. Project funding will come from the Ohio Environmental Protection Agency’s Water Pollution Control Loan Fund (WPCLF) and is expected to be included in Granite’s third-quarter CAP.

The NSIT project encompasses various components that will ensure its efficacy and success. Key elements include 6,660 linear feet of precast-concrete-segmental-lined rock tunnel with a finished inside diameter of 16.5 feet, designed to accommodate both dry and wet-weather sewage flow and store combined sewage. (Graphic: Business Wire)

The NSIT, a crucial component of the U.S. Environmental Protection Agency’s mandated Consent Decree, is set to revolutionize the city's sewer infrastructure and significantly reduce combined sewer overflows (CSOs). The project's primary structure, a 16.5-foot internal diameter tunnel located along the Cuyahoga River, will play a pivotal role in addressing CSOs by collecting overflows at four locations and storing them. This storage capacity—more than 10 million gallons—will curb the environmental impacts of CSOs, safeguarding the health of local waterways.

The project encompasses various components that will ensure its efficacy and success. Key elements include 6,660 linear feet of precast-concrete-segmental-lined rock tunnel with a finished inside diameter of 16.5 feet, designed to accommodate both dry and wet-weather sewage flow, as well as store combined sewage. The project also features an array of control structures, flow drop shafts, connecting sewers, and overflow structures, all carefully integrated to optimize the system's performance.

“Spanning 6,660 feet in length and descending over 100 feet below ground into rock NSIT will be a feat of engineering and is set to become a symbol of innovation and environmental stewardship for the entire region,” said Granite Vice President of Regional Operations, Jim Nickerson. “We have a great working relationship with the City of Akron from the previous Ohio Canal Interceptor Tunnel Project. The city is committed to contracting work to local firms and our contracting plan was able to exceed Akron's local contracting goals and provide major economic benefit to the community.”

The project is planned to begin in September 2023 and is expected to be completed in July 2027.

About Granite

Granite is America’s Infrastructure Company™. Incorporated since 1922, Granite (NYSE:GVA) is one of the largest diversified construction and construction materials companies in the United States as well as a full-suite civil construction provider. Granite’s Code of Conduct and strong Core Values guide the Company and its employees to uphold the highest ethical standards. Granite is an industry leader in safety and an award-winning firm in quality and sustainability. For more information, visit the Granite website, graniteconstruction.com, and connect with Granite on LinkedIn, X, Facebook, and Instagram.

View source version on businesswire.com: https://www.businesswire.com/news/home/20230815536995/en/

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Source: Granite

FAQ

What is the contract awarded to Granite by the city of Akron, Ohio?

Granite has been awarded a $215 million contract by the city of Akron, Ohio to construct the Northside Interceptor Tunnel Project (NSIT).

How will the project be funded?

The project will be funded by the Ohio Environmental Protection Agency’s Water Pollution Control Loan Fund (WPCLF).

What is the expected timeline for the project?

The project is planned to begin in September 2023 and is expected to be completed in July 2027.

What are the key elements of the NSIT project?

The key elements of the NSIT project include a 6,660 linear feet tunnel with a finished inside diameter of 16.5 feet, designed to accommodate both dry and wet-weather sewage flow and store combined sewage.

What is the significance of the NSIT project?

The NSIT project is a crucial component of the U.S. Environmental Protection Agency’s mandated Consent Decree and will significantly reduce combined sewer overflows (CSOs) in Akron, Ohio.