Page 87 - Water Loss Control
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Validation of Sour ce Meter Accuracy    69
































                    FIGURE 6.3  Source meter replacement at raw water pumping station: New 48-in diameter
                    magnetic meter being prepared for installation. (Source: Philadelphia Water Department.)
































                    FIGURE 6.4  Source meter replacement at raw water pumping station: Ferrule being drilled into
                    solid sleeve piping adjacent to new 48-in diameter magnetic meter. The ferrule will be used as a
                    location for future meter verifi cation testing by use of an insertion pitot rod. (Source: Philadelphia
                    Water Department.)
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