McMahon served as the Owner’s Project Manager (OPM) for the FRTA for the design and construction of a $12.8 million regional transit center in Greenfield. The center, designed to be a net-zero energy consumption building, is one of the first such projects in Massachusetts. In addition to bus berths and passenger amenities, the center included a mixed-use building housing the FRTA and the Franklin Regional Council of Government Headquarters, retail space, and connections to a potential railroad station. As the OPM, McMahon provided a full range of services to the FRTA throughout the designer selection, design management, bid, and construction phases. Pre-design included the assembly of basic project information to secure a site and funding and to procure design services. McMahon created the RFP and assisted the FRTA in securing the services of an architectural/engineering team to be the “designer of record” for the project. On behalf of the FRTA, McMahon directed and monitored the designer team to develop a preferred option. McMahon oversaw design reviews and ensured that all design and budget constraints were specifically examined and addressed. Finally, in bringing the project into construction, the McMahon team assisted the FRTA in issuing solicitations from contractors and provided a clerk-of-the-works. McMahon monitored progress and facilitated resolution of all construction phase issues, including assisting the FRTA in closing out the construction and opening the facility for operations.