Home Projects Certifications Some of our projects include: Euclid Creek Tunnel: 190 to 220 feet below ground. It is 18,000 feet long, with a finished diameter of 24 feet and will have the capacity to hold 61 million gallons of combined stormwater and wastewater. Dugway Storage Tunnel: The 14,000-foot-long, 24-foot-wide tunnel is the second of seven tunnel projects that will reduce Lake Erie pollution by 4 billion gallons a year. Doan Valley Regulators/Relief Sewer: This 5,280 foot long, 18 foot to 72 foot wide tunnel project is ongoing and scheduled to be completed in 2021. Doan Valley Storage Tunnel: This project has several shafts of varying lengths and diameters. This project is ongoing and scheduled to be completed in 2021. Londor Road Relief Sewer: This project included relief systems ranging from 18 to 84 inches in diameter with a total length of approximately 15,500 feet. Ohio Canal Interceptor Tunnel (OCIT-1): OCIT broke ground on November 6, 2015. The tunnel will be 27 feet in diameter, span a distance of 6,240 feet, and will be able to hold 25 million gallons of storm water and sewage. © 2023 by Website coming soon. Proudly created with Wix.com Northstar Contracting Inc ~ 11730 Harvard Ave ~ Cleveland OH 44105 216-999-7595

Home Projects Certifications We have completed several projects at Naval Station Great Lakes and surrounding areas. Projects range from $24,000 to $4.5M. Scopes include a wide range of tasks including concrete, waterline installation, rooftop HVAC replacement, Automatic Transfer Switch installation, general renovations, exhaust system installation. One of our most highest profile projects! Northstar was responsible for fabricating, painting and installing the Bronzed Decorative Corona panels on the newest Smithsonian Museum in Washington DC. _ © 2023 by Website coming soon. Proudly created with Wix.com Northstar Contracting Inc ~ 11730 Harvard Ave ~ Cleveland OH 44105 216-999-7595