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INDIAN RIVER COUNTY PHASE 2 TECHNICAL ENERGY AUDIT RECOMMENDED ENERGY CONSERVATION MEASURES In reference to existing lighting levels found in this survey, the building shows above average to adequate light levels and most of the areas have consistent lighting distribution. FPLES' lighting retrofit will improve the working environment by improving the lighting quality and levels in most areas. Although energy savings are the main objective, FPLES lighting retrofit will avoid sacrificing lighting levels in areas with existing low light levels to obtain greater savings (the estimated improvement in light levels in most areas are in a range of 5 to 10% in comparison with the existing light levels). FPLES recommends that Indian River County moves forward to implement the lighting retrofit, as the ECM has the following savings and cost characteristics: Recommemded NMIA 4 153 293751 23,773 "46 (Note: The detailed analyses and cut sheets for this ECM can be found in Appendix H& I) ECM - 2: Occupancy Sensors FPLES performed an analysis of the facility's lighting system with respect to the use of occupancy sensors. It showed that additional savings for the selected rooms can be achieved adding the sensors. This is based on a review of the facility's occupancy pattern, lighting usage and FPLES historical data. For this facility, multiple rooms were selected for the installation of occupancy sensors and/or time switches which resulted in additional 36,415 kWh in savings. The models being used are shown in the Appendix and are for the various rooms (offices, conference rooms, storage rooms, mechanical rooms and electrical rooms). FPLES recommends that Indian River County moves forward to implement the occupancy sensors, as the ECM has the following savings and cost characteristics: Recommended NLA 14,242 114,320 3.4 Yrs (Note: The detailed analyses and cut sheets for this ECM can be found in Appendix H& I) ECM - 3: Water Conservation