Specifications include, but are not limited to: Prospective Snow and Ice Control Contractors for the Farmville Residency; In the event the Contractor cannot provide properly trained and licensed relief operator(s) to sustain 24 hours operations, the Residency may assign the contractor a 12-hour shift for the duration of the storm or until properly trained and licensed relief drivers are provided. VDOT will conduct testing of the AVL units November 13 – 15, 2023 and December 11 – 13, 2023. These tests, known as “Ping Dates,” are utilized to ensure the AVL units are installed and working properly. The contractor will be required to have the units turned on and accessible for the “Ping Dates”. If the units installed do not register or respond to the Ping signal, the VDOT Contract Manager will contact the contractor for resolution. The Contractor shall have the AVL equipment turned on from the time the Contractor reaches the Designated VDOT Location or at the staging location, whichever is earlier. AVL equipment must remain on, operable and accessible to VDOT until the Contractor is released from Operational Services.