<p><p><strong>Reference(s):</strong></p><p><em>Brown et al. (2007)</em></p><p><strong>Method Summary</strong></p><p>According to Brown et al. (2007), an inspection checklist/log should include documentation and verification of the following information:<br><ul> <li>Pile location and plumbness</li> <li>Ground surface elevation</li> <li>Pile toe (bottom) depth/elevation</li> <li>Depth/Elevation of top of grout/concrete</li> <li>Pile length</li> <li>Auger diameter</li> <li>Details of the reinforcing steel (number, size, and grade of longitudinal bars, size and spacing of transverse steel; outside diameter and length of cage); type of centralizer used</li> <li>Flow cone efflux time and volume of grout placed, or slump and volume of concrete placed</li> <li>Theoretical volume of excavation (theoretical diameter = diameter of auger)</li> <li>Depth/Elevation to which reinforcing steel was placed</li> <li>Date/Time of beginning of drilling</li> <li>Date/Time of completion of drilling</li> <li>Date/Time grout or concrete was mixed</li> <li>Date/Time ready-mix grout or concrete truck arrived at project site, and copies of all grout or concrete batch tickets used for the pile construction</li> <li>Date/Time of beginning of grout or concrete pumping</li> <li>Date/Time of completion of grout or concrete pumping</li> <li>Date/Time of placement of reinforcing steel</li> <li>Weather conditions, including air temperature, at time of grout or concrete placement</li> <li>Identification of all grout or concrete samples taken from the pile</li> <li>All other pertinent data relative to the pile installation</li> <li>All readings made by the automated measuring and recording equipment to include as a minimum:<br><ul> <li>Auger rotation vs. depth for every 0.6-meter (2-foot) increment, or less, of auger advancement during the drilling process, and during placement of grout or concrete (if auger is rotated during this placement).</li> <li>Volume of grout or concrete placed vs. depth of outlet orifice for every 0.6-meter (2-foot) increment, or less, of pile placed.</li> <li>Average maximum and minimum pump stroke pressures at ground level for every 0.6-meter (2-foot) increment, or less, of pile placed.</li> <li>Average maximum and minimum pump stroke pressure at or near the auger head for every 0.6-meter (2-foot) increment, or less, of pile placed, if directed by the engineer.</li> <li>The engineer may also specify that torque and crowd force (downward thrust on auger) measurements be made at every 0.6-meter (2-foot) increment, or less, of auger advancement during the drilling process.</li></ul></li></ul></p></p>