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EGG <br /> GREGG IN SITU, INC. <br /> Geotechnical and Environmental In Situ Testing Contractors <br /> THE PIEZO CONE PENETROMETER <br /> The electrical piezocone (CPTU) is the <br /> premier soil logging toot The CPTU provides <br /> a rapid, reliable and economic means of <br /> determining soli stratigraphy, relative density, <br /> strength and equilibrium groundwater <br /> pressures <br /> Gregg In Situ offers a choice of 2 5, 5, 10 and <br /> 15 ton tip (Qc) capacity cones Our cones <br /> also have variable capacity friction sleeves <br /> (Fs) and pore pressure (U) The pore <br /> Tnaxiai Geophones pressure can be measured at one of 2 <br /> or Accelerometer locations, either on the face of the cone tip or <br /> (VP&vs) behind the cone tip Pore pressure <br /> dissipation data is recorded automatically <br /> All data is displayed in real time at the ground <br /> Inclinometer(I) surface, facilitating the on site decision <br /> making process Field data reduction, plotting <br /> Thermistor(T) and CPT interpretation can be carried out <br /> upon request <br /> Friction Sleeve(Fs) <br /> Load Cells <br /> Pore Pressure <br /> Porous Filter— Transducer(V) <br /> Elementt <br /> Cone Tip(Qc) <br /> EGGGeotechnical and Environmental In Situ Testing Contractors <br /> Los Angeles • San Francisco • Houston • Aiken <br /> Vancouver • Edmonton • Salt Lake City • New Jersey <br /> Tel (925)313-5800 Fax (925)313-0302 E+nad gmgg@ecis.com <br />