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Exhibit A - Contractor Agreement with Crosstown Electrical & Data Appendix ATTACHMENT SCOPE OF WORK CITY OF SANTA ANA REQUEST FOR PROPOSALS FOR ADVANCE TRAFFIC MANAGEMENT SYSTEM AND COMMUNICATION SYSTEMS ON-CALL REPAIR SERVICES RFP NO.: 17-033 A. DESCRIPTION Santa Ana's Advanced Traffic Management System (AIMS) monitors and controls all of the traffic signals and CCTV's within the City. ATMS encompasses three major subsystems, Traffic Signal System, Closed Circuit Television (CCTV) system and the Transportation Information System (TIS), Communication between the Traffic Management Center (TMC) and the field equipment are established via fiber optic, twisted -pair interconnect, wireless broadband and limited use of telephone (T1) lines. The main equipment for the City's AIMS is located in the TMC in City Hall. The City also maintains a Remote TMC in adjacent Rosa Annex building. The TMC has a dedicated local area network that consists of computer servers, computer workstations, managed switches and routers, video processing units, hardwire interconnects and fiber optic patch panels, The City's current traffic signal system is Telvent Management Information System for Transportation (MIST). The City's Closed Circuit Television (CCTV) System consists of Cohu and Axis cameras and video encoders, The City's Video Management System is Milestone XProtect Corporate. The City's communication infrastructure consists of twisted pair cable, single mode fiber optic cable, wireless broadband antennas, Tl equipment and other communication equipment. The hardwire interconnect and fiber optic cables are usually in dedicated conduit from the TMC to controller cabinets and corm amication HU'B's in the field. The City AIMS layout, equipment and general schematic of the system communications are shown in Exhibit 1. B. SCOPE OF WORK In general, the on-call Contractor will perform emergency repairs due to malfunctions or damages to the systems and communication equipment and cables. Majority of the work are anticipated for field equipment repairs. The scope of work includes but not limited to the followings: The Contractor is required to troubleshoot, repair and procure replacement or upgraded equipment to re-establish and/or improve the performance and reliability of the communication and networking systems, The networldng system includes fiber optic Ethernet switches, routers, firewalls and associated equipment/computers that make up the uetworlc, The Contractor is required to procure and assist in integrating networking and communication hardware on an as needed basis for the TMC. City of Santa Ana RFP 17-033 Page Al -1 25G-12