III
FIGURES
FIGURE 1: MODEL 4500S VIBRATING WIRE PIEZOMETER ...........................................1
FIGURE 2: 4500C SATURATION .......................................................................................4
FIGURE 3: TYPICAL LEVEL MONITORING INSTALLATION .............................................7
FIGURE 4: TYPICAL BOREHOLE INSTALLATIONS ...........................................................8
FIGURE 5: HIGH AIR ENTRY FILTER ..............................................................................10
FIGURE 6: LOW AIR ENTRY FILTERS ONLY ..................................................................10
FIGURE 7: TYPICAL SOFT SOILS INSTALLATION ..........................................................11
FIGURE 8: TYPICAL MULTI-PIEZOMETER INSTALLATION ...........................................12
FIGURE 9: RECOMMENDED LIGHTNING PROTECTION SCHEME ..............................13
FIGURE 10: GK-404 READOUT .......................................................................................14
FIGURE 11: LEMO CONNECTOR TO GK-404 .................................................................14
FIGURE 12: GK-405 READOUT .......................................................................................15
FIGURE 13: VENTED PIEZOMETERS .............................................................................19
FIGURE 14: TYPICAL CALIBRATION REPORT ................................................................27
FIGURE 15: 4500AR PIEZOMETER .................................................................................28