TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 484: Influence of Geotechnical Investigation and Subsurface Conditions on Claims, Change Orders, and Overruns documents the extent and type of claims, change orders, and cost overruns from subsurface conditions for state departments of transportation (DOTs). The report also identifies practices used by agencies to reduce such claims, change orders, and cost overruns.
National Academies of Sciences, Engineering, and Medicine. 2016. Influence of Geotechnical Investigation and Subsurface Conditions on Claims, Change Orders, and Overruns. Washington, DC: The National Academies Press. https://doi.org/10.17226/21926.
Chapters | skim | |
---|---|---|
Front Matter | i-vii | |
Summary | 1-3 | |
Chapter One - Introduction | 4-5 | |
Chapter Two - Literature Review | 6-11 | |
Chapter Three - Survey Results | 12-27 | |
Chapter Four - Case Examples | 28-33 | |
Chapter Five - Conclusions | 34-36 | |
References | 37-37 | |
Appendix A - Survey Questionnaire (Web-Only) | 38-65 | |
Appendix B - Survey Responses (Web-Only) | 66-83 |
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