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Exhibit B: Over-lit/Under-lit Analysis <br />Methodology <br />Tanko lighting performed an analysis of Santa Ana's existing streetlighting system to highlight areas <br />throughout the City that were over or under -lit. Tanko Lighting used a "buffer zone' of 150 feet to pinpoint <br />areas that were either too high or too low in light pole concentration. Tanko Lighting then reviewed each <br />area based on satellite and street -view imagery to confirm whether the area would benefit from a change <br />in lighting. <br />Results <br />The results are illustrated in the subsequent map book. These findings will be incorporated into the full LED <br />streetlight design. <br />Q A 19 <br />TankoLighting <br />www.tankolightinecom 1220Bayshore BlI5l5IAq c2o2A94124 I P415.254.7579 I F415.822.3626 <br />