<p><p><strong>References:<br></strong><em>Bruce (2007a)<br>Bruce et al. (2001)<br>Burke et al. (2000a, 2000b)<br>Gularte et al. (2007)<br>Maswoswe (2003)</em></p><p><strong>Method Summary</strong></p><p>The jetting parameters should be monitored and recorded continuously throughout the grouting operation. These parameters depend on whether a single-, double-, or triple-fluid system is used, and the parameters include horizontal and vertical alignments, rotation and withdrawal rates, water-cement ratios, grout flow, grout pressure, water flow, water pressure, air pressure, and spoil return.</p><p><strong>Accuracy and Precision</strong></p><p>This method accurately and precisely determines whether the necessary grouting parameters have been achieved.</p><p><strong>Adequacy of Coverage</strong></p><p>Recording of jetting parameters should be done for all jet grouting operations.</p><p><strong> </strong><strong>Implementation Requirements </strong></p><p>This method can be easily implemented with modern jet grouting rigs.</p><p><strong> </strong><strong>General Comments</strong></p><p>The number of measurements required to assess the jetting parameters are not too expensive or time consuming to perform. This method should be applied to all jet grouted columns in modern practice.</p></p>