This study investigates the accuracy of utility records by comparing available utility records derived from traditional records research such as One Call systems and Subsurface Utility Engineering (SUE) Utility Quality Level B (QLB) investigations conducted as defined by the ASCE 38-22 standards. Focusing on a case study in South Dakota, a "linear foot" metric was developed to quantify discrepancies and assess missing utility records. The findings revealed significant disparities in documented utility linear footage between the two methods. SUE QLB investigations consistently identified a more significant extent of utilities. This underscores the necessity of incorporating SUE practices early in the project development stages to ensure accurate utility data. Hence, this study emphasizes the potential of SUE investigations in enhancing the efficiency and risk management of construction projects.
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Adebiyi et al. (2024) studied this question.
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