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Client Name: City of Santa Ana I AM] FEASIBILITY REPORT <br />Figure 3 Meter Density Map <br />6YYf Denslry 2i Cada Total Me,ert <br />City Boundary <br />Lc.+ 93105 3a0t <br />® ®Zip Cede SavndariaaI 92MI fi355 <br />Seaeu 92M <br />92MI 5666 <br />_ ma*Street. W11 1211 <br />_ 11'ary F...y 91101 ve. <br />4.3 CURRENT METER ACCURACY <br />Non - revenue water results from leakage in pipes, valves, other water system accessories, fire <br />hydrant testing or use of water to fight fires etc. indicate losses in the system around 4%. <br />Meter accuracy usually declines with time and wear. Meters are designed to be accurate for a <br />specified flow range, meters tend to record low for flow above and below the specified range. City <br />had meters tested based on the recommendations of Black & Veatch. The results of the meter tests <br />are summarized below (Section 4.3.1). <br />4.3.1 Meter Test Result Evaluation <br />The sample of water meters that were tested appears to have a high degree of variation in <br />performance. A large number of the meters tested are still within standard performance guidelines, <br />although there are some that have obviously failed and need to be replaced. The Rockwell meters as <br />a group (independent of size) appear to be in greatest need of replacement. This is not unexpected <br />BLACK & VEATCH I Current Metering Platform <br />11 <br />25G-129 <br />