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6.G. - Page 174 of 238 <br />TABLE 5 <br />METER CALIBRATION AND MAINTENANCE FREQUENCY <br />METER/ <br />EQUIPMENT <br />FREQUENCY <br />WORK TO BE PERFORMED <br />(See Work Codes Listed Below) <br />Quarterly <br />Semi- <br />Annual <br />Annual <br />CA <br />CL <br />FL <br />IN <br />LU <br />PT <br />Venturi Meters <br />X <br />X <br />X <br />(1) <br />X <br />(1) <br />X <br />Magnetic Meters <br />X <br />X <br />(2) <br />X <br />(2) <br />X <br />(2) <br />Yokagowa D/P <br />Transmitters <br />X <br />X <br />X <br />X <br />X <br />Rosemount D/P <br />Transmitters <br />X <br />X <br />X <br />X <br />X <br />Honeywell <br />Recorders <br />X <br />X <br />X <br />X <br />Water Level Sensors <br />Pressure Transducers <br />X <br />X <br />X <br />X <br />SCADA Electronics X X <br />AGM Electronics X X <br />NLS Digital D!splays X X <br />Electrostatic 24V DC <br />Power Supplies <br />X <br />X <br />(3) <br />ASCO Solenoids <br />X <br />X <br />X <br />(4) <br />X <br />WORK CODES: <br />CA = CALIBRATE; CL = CLEAN; FL = FLUSH; IN = INSPECT; LU = LUBRICATE; PT = PROT TUBE TEST. <br />NOTES: <br />(1) Inspection and flushing requirements for Venturi meters refer to the pressure tubing from the meter to the <br />differential pressure transmitter. <br />(2) May calibrate using clamp -on meter where conditions allow. Inspection and cleaning requirements for <br />magnetic meters refer to the sensors or probes that are inserted through the pipe wall. <br />(3) Adjust voltage if necessary. <br />(4) Replace rubber ware as needed. <br />505 <br />