1. Total replacement of the existing PLC, touch screen, intercom, CCTV Systems and CCTV System Firmware and Software. 2. Upgrade the existing CCTV system including the camera replacements from analog and digital to full digital technology. 3. Create a stand-alone video network with new switched dedicated to CCTV system. 4. Expansion of existing recording systems and its associated servers as necessary to support data growth from analog to digital recording resolution. Specific design parameters, including resolution, fps and storage duration, to be determined during design phase. 5. Include County mandated design requirements for low voltage cabling and systems. Refer to electrical drawings and Divisions 26, 27 and 28 of the specifications for scope of specific requirements. 6. Scope of work assumes that the new CCTV system cable is to be pulled in existing conduits and includes an alternative to provide the design for a new conduit distribution system to facilitate simultaneous CCTV system functionality between new and existing systems. 7. Scope of work includes all site cameras.