Tessa O'Halloran

Senior Staff Engineer

Tessa is a Senior Staff Engineer, based in Delve Underground’s Chicago office. She contributes engineering expertise to underground infrastructure projects, with a focus on shaft design and support of excavation systems, working alongside the firm’s senior principal engineers on complex tunnel and shaft programs. Tessa’s technical expertise includes ground deformation analysis for circular shafts, performance evaluation of secant pile and slurry wall support of excavation systems, and shaft design for deep underground infrastructure projects