Kimmins Contracting and Vadnais Trenchless Providers lead a tunneling machine’s breakthrough of a brand new tunnel to attach a 3,156-foot-long, six-foot-plus-diameter tunnel between Cotanchobee Fort Brooke Park and the Ybor Turning Basin that may exchange a 72-year-old pipeline system to extra effectively convey 15 million gallons of wastewater every day. TAMPA, Fla., June 1, 2023 …