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0 <br />Figure 2: QSR Ratings by Install Year <br />17 <br />SSINER RATE STUDY I City of Santa Ana, CA <br />Count of QSR Ratings by Install Year <br />200 <br />rc <br />C ea <br />o <br />c <br />O W <br />V <br />40 <br />20 <br />.. .. .. d - - - - ., .. - - - - - _, -., <br />■QSR 3m QSR4 0 QSR S <br />Figure 3: QMR Ratings by Install Year <br />Count of QMR Ratings by Install Year <br />90 <br />60 <br />O <br />J <br />O <br />■QMR3 ■QMR4 ■QMR5 <br />Based on the QSRs and QMRs calculated from the CCTV data, more than 55 percent of the defects noted <br />are at a rating of 4 or 5 based on structural and /or 0 &M issues. This corresponds to almost 75 miles of <br />pipe. <br />65B -187 <br />NOVEMBER 2014 <br />