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<br />The SFPUC presently measures water flow into and through the Regional System <br />utilizing "System Inpu~ and In-Line Meters." The existing and planned System Input and In- <br />Line Meters are listed in Table 3 and shown on Figure 3. <br /> <br />d. Wholesale Customer Meters and City Retail Customer Meters Located Outside <br />the Boundaries of the City <br /> <br />The SFPUC presently measures water deliv~ries from the Regional' Water System to its <br />Wholesale Customers at various locations where the water delivery systems of the individual <br />Wholesal~ Customers tie into the Regional Water System. The meters at these locations are <br />referred to as the Wholesale Customers' "master meters." The SFPUC"alsomeasures water <br />deliveries from the Regional Water System to other customers located outside of the boundaries <br />of the City that are not Wholesale Customers. Water deliveries to the Wholesale Customers and <br />Retail Customers outside the City's boundaries that receive water from the Regional Water <br />System are accounted for by the SFPUC's Customer Service Division as described in Section B. <br /> <br />4. Replacement and Relocation of Meters, Gaug~s, and Recording Devices. <br /> <br />The SFPUC presently equips all of its large venturi meters with differential pressure <br />transmitters. The smaller meters utilize other methods and equipment to register and record <br />flows. The SFPUC will maintain the meters, gauges, and recording devices described above in <br />subsections (a), (b), (c), and (d) unless and until such meters, gauges, and recording devices are <br />replaced. <br /> <br />The SFPUC may replace the meters, gauges, and recording devices described above in <br />subsections (a), (b ), (c), and (d) or install new meters, gauges, and recording devices at new <br />locations, provided that such changes do not diminish the accuracy of the water flow <br />measurements or impair the ability of the SFPUC to separate direct City water use from water <br />use by the wholesale customers. Maintenance and calibration procedures. for new or replaced <br />equipment may change. "Modified maintenance and calibration procedures for new or replaced <br />equipment will conform to industry standards set forth in A WW A Manual M33, the applicable <br /> <br />5 <br /> <br />March 11,2009 <br />