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Analysis of change orders in geotechnical engineering work at INDOT : [technical summary].
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    Technical summary.
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    There was a perception at INDOT that the number of change orders connected with geotechnical work was excessive, and that, as a consequence, geotechnical projects were not completed on time or within budget. It was reported that INDOT construction projects had in fact experienced a large increase in the number and cost of change orders attributed to geotechnical conditions. The only way to assess whether the number and cost of change orders to INDOT is indeed excessive is by conducting a detailed analysis of INDOT’s processes and procedures in the geotechnical office, including the process of selecting code numbers that correspond to the reasons for change orders. It is only by understanding the reasons for change orders in each particular case that a determination could be made on whether change orders were preventable or not. Through this critical evaluation, problems that need to be addressed could be identified, and procedures or steps that should have been taken to allow prevention or minimization of change orders could be clearly established. This study organized the observations and information in a database. By analyzing the data collected and conducting interviews with INDOT personnel involved with change orders, recommendations were made to the geotechnical office for future procedures on construction projects that will help alleviate the problems identified.
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