The Toronto-York Spadina Subway Extension Project (TYSSE) is the first subway extension that crosses Toronto borders and connects the City of Vaughan (York Region) to the existing Toronto Transit Commission's (TTC) system in the City of Toronto. A challenge with the TYSSE project is managing a schedule that requires completion of the geotechnical investigations concurrent with the design phases. Management strategies included the development of a geo-engineering team comprised of TYSSE, a principal consultant, and two field consultants, division of field investigations into two phases to correspond with the design schedule, and development of an efficient work flow and content management system accessible by internal and external users. These strategies resulted in meeting the TYSSE project schedule and completion of 1080 boreholes, 21,900 metres drilled, and 192 reports in less than the proposed 2.5-year investigation schedule.
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