Specifications include, but are not limited to: Emergency Restoration, Preventive Maintenance, Non-Emergency Repair and Seismic Relocation Work of the Commercial Fiber Optic and Wireless Network (SSI). The work under this Contract includes the immediate mobilization of the Contractor, upon notification by BART, of interruption in service in any part of its commercial fiber optic or wireless system network due to an accident, derailment, or other unforeseen events in the BART right-of-way. The Contractor's designated representative is to be on site within two hours of notification. The Contractor and BART representatives will determine and agree on the required effort for the emergency restoration work before the Contractor mobilizes manpower, materials and equipment to commence the work. The Contractor shall provide emergency restoration services on a stand-by basis for twenty-four hours a day, 365 days of the year.