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ENERGY, WASTE MANAGEMENT ASSESSMENT <br />"! : ExecutEVe Summat°~t <br />RETAP <br />The Elk River Senior Activity Center was assessed for energy and waste management efi=lciency by a <br />team from the Minnesota Retired Engineers Technical Assistance Program on July 26, 2011. The RETAP <br />team was Larry Motl and Norm Ledeboer. We sincerely thank Rebecca Haug for arranging the <br />assessment, providing information and Dennis Anderson, Gary Lore, Steven Pomeroy and Vance <br />Zehringer for providing information for the assessment and a tour of the facility. Specific::. <br />recommendations are listed below in Table 1. Additional discussion, back-up information and calculations <br />are provided in Section 4: Potential Savings. <br />Table 1: Recommendations <br /> Potentia l Savin s Annual <br />Recommendation KwH Kw Fuel Water Wast 's Tons <br /> *Kbtu Gallons a CO2 <br /> Yds <br />1.}Add insulation to the roof/ceiling to 1,720 0 100,000 0 0 $968 7 <br />increase the "R" value from about 16 to <br />code recommendated 38, to reduce <br />both heating and cooling costs. <br />2.) Improve the efficiency of the HVAC 2,584 0 57,800 0 0 $720 5 <br />system by evaluating all equipment, <br />possibly conducting a recommissioning <br />study to raise overall efficiency from <br />estimated 80 percent to 90 percent. <br />3.) Replace the nine, 175 watt mercury 2,934 0 0 0 0 :$296 2 <br />vapor lamps in the front entry area with <br />42 watt CFLs <br />4.) Discuss with the electric utility 0 0 0 0 0 $280 0 <br />representative, the possibility of <br />installing load control on the AC <br />condensers-potential credit of $5 per <br />ton of cooling per month,. for four <br />summer months. <br />5.) Replace the T-12 fluorescent lamps 1,392 0 0 0 0 $142 1 <br />and their magnetic ballasts in the <br />meeting room with 28 watt, T-8 lamps <br />and eiectronis ballasts. <br />6.) Add an insulation jacket to the water 0 0 1,900 0 0 $15 0 <br />heater. <br />Total: ' 8,630 ' 0 159,700 0 ' 0 ' $2,421 16 <br />*1 Therm = 100 Kbtu <br />This analysis and potential savings estimates are based on utility bill data provided and on data provided <br />for building structure, HVAC, lighting, operating-hours; `waterand waste management for the facility. <br />Page 3 of 9 ------~-- <br />