Specifications include, but are not limited to: provide support services to MARTA’s Maintenance of Way (MOW), infrastructure, facilities and other MARTA assets for the Operations Division and the Department of Mechanical Operations. Contractor shall provide expertise as stated herein on a Work Order basis, to fulfill Authority objectives and tasks. This work is primarily to support the Mechanical Operations Division in the continued reliable, safe and efficient operation of the MARTA heavy rail and light rail networks, along with associated infrastructure such as stations, aerial guideways, control centers, support centers, and other operations department personnel, including Bus Operations and Mobility on a limited basis as they interact with Rail Operations and MOW.