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<br />Section 7 <br />Evaluation and Selection of Conservation Measures and Programs <br /> <br />Table 7-5 Selection of Conservation Measures/Programs and Estimated Water Savings <br /> <br /> Estimated average day <br /> Primary Criteria for selecting or reduction in demand for <br /> rejecting the conservation selected <br /> measure/program for measures/programs <br />Measure/Program Selected implementation (1000 gal per day) <br />Rebate Program - Indoor Fixtures and Appliances <br />Low Flow Toilets X Criteria 1, 2, and 4 3.0 <br />Low Usage Washers X Criteria 1, 2, and 4 3.6 <br />Hot Water Recirculation System Criteria 5 Unknown <br />Showerheads X Criteria 1, 2, and 4 3.4 <br />Faucets Criteria 6 1.2 <br />Residential Outdoor <br />Rain Sensor X Criteria 1, 2, and 4 1.3 <br />I rrigation Clock X Criteria 1, 2, and 4 1.8 <br />ET Controller X Criteria 1, 2, and 4 0.4 <br />Sod Replacement - Residential X Criteria 1, 3, and 4 26.9 <br />Residential Indoor and Outdoor <br />Audits for Residential Homes at Tier 4 X Criteria 1, 2, and 4 4.2 <br />Indoor and Outdoor Audits for Homes <br />Built prior to 1994 X Criteria 1, 2, and 4 7.6 <br />200/0 Rebate X Criteria 1 and 4 Unknown <br />The Ridge Golf Course <br />Audit X Criteria 1, 3, and 4 Unknown <br />Reuse on Ridge Golf Course X Criteria 1, 3, and 4 214.3 <br />HOA Irrigation <br />Audits for HOAs X Criteria 1, 2, and 4 4.9 <br />Sod Replacement - HOA X Criteria 1, 3, and 4 24.0 <br />Conservation Rate Structure <br />Increasing Block Rate Structure X Criteria 1, 2, 3, 4 50.6 <br />leak Detection <br />Sonic Leak Detection Program X Criteria 1,2, and 4 16.9 <br />Public Education Program - Existing <br />and new measures X Criteria 1,2, and 4 16.9 <br />District Irrigation Water Conservation Efforts <br />Irrigation Efficiency for Parks and Drip <br />Irrigation X Criteria 1, 2, and 4 8.5 <br />I rrigation Efficiency for Open Space X Criteria 1, 2, and 4 18.1 <br /> <br />The majority of measures/programs were selected for implementation. Programs that <br />were not selected for implementation included the hot water recirculating system, the <br />tankless hot water heater, and the faucet rebates. The faucet rebate was eliminated <br />because it was among the lowest on the relative net benefit ranking for both the <br />groundwater and surface water alterative as well as providing little water savings. <br />Furthermore, there is lack of assurance that replacement of a faucet would provide <br />water savings. Customers could purchase a new faucet, receive the rebate, and then <br />remove the aerator eliminating water savings. The hot water recirculating system and <br />tankless hot water heater were eliminated because studies are unclear on whether <br />these systems provide water savings. Although the systems provide immediate access <br />to hot water, this does not guarantee that this shortens the amount of time people run <br />the water. Section 9.1 provides further information on the scheduling and <br />implementation of the selected conservation measures. <br /> <br />CDM <br /> <br />7-14 <br /> <br />O:\Castle_Pines_North\Conservation Plan\Drafts Submitted For Review\Final Conservation Plan.doc <br />