55A - RESO SCE STREET LIGHTS - Laserfiche WebLink

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[ jM ALLIATNNCE Evaluation (continued) To work with the data gaps mentioned previously, ABS cross-referenced the data in the Excel files with the Streetlight Purchase Feasibility Study. By doing so, ABS was able to assume whether or not the non- specified LS -1 lights were for Purchase and also assume the unknown lamps and wattages to be the same as the proposed project's average streetlight. This analysis results in the assumption that about 9,681 of the 14,946 City's streetlights are available to convert to LED. ABS worked with vendors and contractors to provide an estimated cost to this scope of work assuming that the City would hire a project manager to deal with the subcontractors and vendors directly. These numbers were back -checked with historic industry standards and the Streetlight Purchase Feasibility Study. The estimated savings was also calculated using these assumptions with the results illustrated in the below table: Estimated Current Cost $1,391,660 Estimated Proposed Cost $422,837 Annual Savings $968,822 Savings calculations for streetlights is a straightforward process as described in the Tanko Feasibility Study. When the above value is compared to the Feasibility Study's Annual Energy Cost Savings ($1,012,459), there is less than a 5% difference, verifying the assumptions made due to lack of data are reasonably accurate for this report. In addition to project cost and savings, ABS evaluated the scope of work the Tanko Feasibility Study recommended and the resulting City cash-flow and return on investment. The Tanko Feasibility Study's project includes a Remote Monitoring System for all purchasable LS -1 and City owned LS -2 and LS -3 streetlights and an annual maintenance & software fee over the 20 -year life of the project. These scope items will be discussed in further detail in the Conclusions / Recommendations section. The Tanko Feasibility Study's project cash flows are illustrated below: 12526 High Bluff Drive Suite 345, San Diego, CA 92130 www.absenergy.com 55A-86 (858)333-4775 Contractors License ft 1008135