The document summarizes a tunnel boring machine being used by National Grid for an infrastructure project in Buffalo, New York. The 13'9", 29 ton machine excavates soil and stone using a cutter head and grinds the material into a slurry mixture. As it progresses, the machine installs sections of pipe to line the tunnel using a hydraulic jacking frame in a stop-and-go process. The project represents National Grid's first use of such a machine and is part of a larger initiative to upgrade the city's aging electrical system along Ohio Street at a cost of around $11 million.