For more than 80 years, Dunigan Bros. has taken on the projects that demand experience, precision, and a team that knows how to deliver. Our clients come to us with complex scopes in demanding environments, and what you see here is the result.
Explore Our Work
Foster Park Relief Sewer
City of Fort Wayne, IN
Tunneling
Mechanical
Sewer
Structural Concrete
3800 LF of 72” FRP Interceptor sewer (up to 37’ deep), 1800 LF of 48” FRP Interceptor sewer, 3200 LF of 36” Force main, 300 LF of 42” Force main, 550 LF of 10”, 12”, 30”, and 36” HDPE sanitary sewer siphons under the St. Mary’s River, 200 LF of 66” FRP interceptor sewer, 3 cast in place diversion structures including slid gates, flap gates, and screening equipment (approx. 40x20x 35’ Deep each), 3 Siphon head and tail boxes, dewatering, excavations up to 37’ deep, and other misc 24” to 48” sanitary sewer connections, 60” and 54” Jack and bores under USACOE Levy.
US-12 Sewer Improvements
Pittsfield Township, MI
Watermain
Tunneling
15,000 LF of 36” FRP Interceptor Sewer at depths up to 43’, average depth approx. 30’, FRP Manholes, 4100 LF of 8-12” sanitary sewer, misc storm sewer, approx. 350 temp dewatering wells, 2 miles of road construction, ditching, restoration, 710 LF of 54” auger boring (single bores up to 400’ long), and abandonment of 2 existing lift stations.
Ultium 3 Battery Plant
Delta Township, MI
Trenchless
Mechanical
Water
Sewer
25,000 LF of 20” WM, 10” FM, and 12” FM, 140 LF of 36” Auger Boring, HDD, and Site restoration, Installation of 32’ Deep triplex lift station, site piping, metering manholes, sampling structures, and tie ins of existing utilities.
US-127 Reconstruction
MDOT, Michigan
Tunneling
240 LF of 54” Steel casing by jack and bore, 935 LF of 36” Steel casing by jack and bore (including multiple guided pilot tube crossings), 894 LF of 48” Steel casing by jack and bore, and 304 LF of 42” Steel casing by jack and bore.