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Client Name: City of Santa Ana I AMI FEASIBILITY REPORT <br />Appendix D. Functional Requirements for AMI <br />General AMI functional requirements are provided here as a guideline. Meter specifications and <br />technical details to be provided by the City of Santa Ana meter department. <br />General Requirements <br />The AMI System must: <br />1. Ensure data security and privacy in transmission from meter to AMI HES <br />2. Must be scalable to support a minimum of 46,000 water meters (with possibility of future <br />growth) <br />3. Vendor must provide details of other functionality supported by the AMI system like <br />distribution system leak detection support, support for other devices on the AMI network <br />(Sensors for SCADA), pressure monitoring etc. <br />4. AMI System should specify the frequency used for radio communications, clearly specify if this <br />is licensed frequency or unlicensed frequency <br />AMI Meter Transmission Unit (MTU) <br />The AMI MTU's must: <br />1. Read and store hourly interval data. MTU must be programmable to change data transmission <br />frequency <br />2. Record and transmit alarms over the network (e.g., meter tamper/theft detection, backflow, <br />leakage, etc.) <br />3. Must have a minimum battery life of 20 year (if less please specify details and battery life) <br />4. Be compatible with Badger meters (compatibility with other meters must be provided) <br />AN System — Data collectors and Repeaters <br />1. The data collector must be able to connect to cellular, Ethernet, fiber networks for data <br />backhaul to AMI HES <br />2. Data collector must have a backup battery to provide power in case of electricity failure <br />3. If AMI solution requires use of repeaters to extend range, please specify details of the repeaters <br />4. Data collectors and Repeaters would be programmed, installed and tested by the AMI vendor <br />(or contractor as per agreement with City) <br />S. AMI vendor would ensure that network is available 240 and a high percentage of meter reads <br />are collected (metrics to be defined in agreement) <br />4.3.2 AMI Headend System <br />1. AMI HES must be able to collect all meter read data daily (for the previous day) by 4 am and <br />transfer the data to MDMS by 6 am for processing (or other time specified by City) <br />2. AMI headend system must be capable of managing the AMI network, monitor status of all <br />network devices and report network issues like Data collector, Repeater, MTU or Meter failure <br />3. AMI headend system must be capable of managing over the air firmware update to MTU, Data <br />Collector, repeaters etc. <br />BLACK & VEATCH I Appendix D. Functional Requirements for AMI 69 <br />25G-187 <br />