EAST BAY REGIONAL COMMUNICATIONS SYSTEM AUTHORITY EAST BAY REGIONAL 2010

EXHIBIT B PROJECT DESCRIPTION The East Bay Regional Communications System (EBRCS) is a P -25 compliant digital communications system manufactured by Motorola providing interoperability for emergency responders and others on the system in Alameda and Contra Costa counties. The system is a Motorola Astro 25 SmartZone Project 25 700/800 MHz. system. The system consists of 36 repeater sites divided into 6 simulcast cells. Cell Repeater Sites Channels Standalones Channels ALCO 4 16 1 4 Northwest _ ALCO 7 12 1 5 Southwest ALCO East 4 10 1 4 CCCO West 4 10 1 5 CCCO Central 8 10 CCCO East 3 7 2 3 -4 The EBRCS system specifications were developed by AECOM of Lynchburg Virginia. The system Master site controller is located at the Alameda County Office of Emergency Services and Homeland Security in Dublin. All of the repeater sites are connected back to the Master Site through a looped digital microwave system. Each cell will have a prime site that will house additional equipment to coordinate signal timing between itself and the other repeater sites within the cell. Each repeater site is equipped with an emergency generator and a minimum of 2 hours of batter backup power, and meets Motorola's R56 standards for grounding. The sites are owned by multiple agencies within Alameda and Contra Costa counties, with the majority of the sites owned by the two counties. The EBRCS Authority has entered into, or is in the process of entering into licensing agreements for use of the non county -owned sites. Each public safety dispatch center has connectivity to the system through microwave. The EBRCS Authority will provide dispatch consoles and /or console upgrades for each center. Currently there are 110 planned replacements and 39 upgrades to existing facilities. 1551170.2 -28 Project Operating Agreement 11/17/10 City Attorney Group