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Priority 1 15 minutes Affects more than 50% of user base Priority 2 30 minutes Affect significant proportion of user base (25%-50%) Priority 3 1 hour Affects a sizeable proportion of user base (0%-25%) Priority 4 8 hours Affecting multiple individual Customer end users and resulting in an intermittent, partial or total loss of one more services to these end users. Priority 5 24 hours Incident or problem affecting a single Customer end user and resulting in an intermittent, partial or total loss of one more services to that end user. * after completion of initial diagnostics vi. If T-mobile cannot remedy an issue, IPS is prepared to provide an alternative carrier with Verizon. The use of another carrier will be completely seamless for the City. b. The Proposer shall describe in detail how they have addressed communications challenges at other installations (e.g. network failures), including: i. Nature of the problem(s). ii. How they were detected. iii. How they were corrected. iv. How long, on average, Proposer took to correct each type of problem. There is always the potential for environmental and cellular carrier issues that are outside of our control. Depending on the complexity of such problems resolutions could take as little as a few hours and as long as many days. However, prolonged network and communication failures are extraordinarily rare for IPS meters and our connectivity has been very good among our over 160,000 deployed meters. However, there was a recent issue during the Fall of 2012 affecting a group of meters in San Francisco. i. We witnessed a drop in signal strength after a previously uninterrupted period of time without incident. ii. Detection was first discovered using the DMS reports for non-communicating meters. Meter communication and data logs show degradation in signal strength over time in the affected areas. iii. IPS utilized our incidence prioritization plan to get the carrier involved using signal strength data supplied by IPS. The carrier was able to adjust tower transponder and system settings to resolve the matter. iv. Total time after initial notification was 48-72 hours. 14. Network Proposal Deliverables: a. The Proposer shall describe how its processor and proposed technology enables flexible payment and communication options. The IPS meter has been designed and built on a technology platform with expansion and future possibilities in mind. The modular construction and expansion port options mean that no matter what future payment or communications options are required, IPS meters are designed to adapt. Generally: REV: 05-05-16 JS Page 128 of 177 ATTY/AGR.2016.094/IPS Group