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6.G. - Page 162 of 238 <br />SECTION D. COUNTY LINE AND IN -CITY TERMINAL RESERVOIR METER <br />CALIBRATION AND MAINTENANCE <br />General <br />This section refers only to the County -Line and In -City Terminal Reservoir Meters. The <br />term "meter(s)" includes the primary meter.itself (most of the primary meters in the SFPUC's <br />water system are Venturi -type flow meters) as well as any and all of the associated equipment <br />used to measure, record, and transmit flow and water level data. The metering equipment <br />associated with the primary metering device (also referred to as the secondary metering <br />equipment) includes differential pressure transmitters, recorders, telecommunications equipment <br />and the portion of the SFPUC's Supervisory Control and Data Acquisition (SCADA) System <br />that is used to transmit flow and water level measurements from the water meter to .the computer <br />terminal that records the measured data. <br />The County -Line and In -City Terminal Reservoir meters, their general locations, and <br />their associated metering equipment are listed in Table 4. <br />2. Frequency and Type of Work to be Performed <br />The meters, water level sensors, and associated metering equipment are to be inspected, <br />tested, calibrated, and maintained according to the applicable meter calibration and maintenance <br />frequency specified in Table 5. <br />Components of the Calibration and Maintenance Work <br />17 <br />March 11, 2009 <br />493 <br />