United States Department of Transportation
i
Guidelines for Developing and Reviewing Baseline Schedules for Wyoming Transportation Projects [Research Brief]
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2022-07-01
[PDF-935.82 KB]
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Abstract:The focus of the research is to determine the delay causes and their significance for Wyoming transportation projects. Researchers investigated the current practices of the schedule standards used by DOTs to improve baseline schedules and project control. The research team evaluated the accuracy of the selected baseline schedules provided by Wyoming DOT against daily work reports, U.S. Government Accountability Office (GAO) best practices for project schedules, and a questionnaire survey. Researchers determined several inconsistencies in this baseline schedule compared with the daily work report data, such as unrealistic durations for activities, missing information, and missing relationships between construction activities. The research team also found inaccuracies in the selected baseline schedules by comparing them with the GAO best practices for project schedules. None of the baseline schedules fully captured all activities, sequencing, assigning resources, and establishing the duration of all activity requirements. A lack of float management, critical path management, and horizontal and vertical traceability verification in the baseline schedules was also found. The research team also conducted a questionnaire survey to collect responses from the residents and district construction engineers regarding the challenges, root causes of schedule delays, and the inaccuracy of the baseline schedules. Moreover, the research team also determined the significant delay factors affecting project schedule delay through the daily work report analysis and the questionnaire survey.
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