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Optimal Replacement Cycles of Highway Operations Equipment (2018)

Chapter: Part I - Research Overview

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Suggested Citation:"Part I - Research Overview." National Academies of Sciences, Engineering, and Medicine. 2018. Optimal Replacement Cycles of Highway Operations Equipment. Washington, DC: The National Academies Press. doi: 10.17226/25036.
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Suggested Citation:"Part I - Research Overview." National Academies of Sciences, Engineering, and Medicine. 2018. Optimal Replacement Cycles of Highway Operations Equipment. Washington, DC: The National Academies Press. doi: 10.17226/25036.
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Research Overview P a r t I

C O N T E N T S P a r t I Research Overview 3 Summary 8 Chapter 1 Introduction 8 1.1 Background 8 1.2 Project Objective 8 1.3 Research Approach 8 1.4 Organization of the Report 10 Chapter 2 Research Approach and Findings 10 2.1 Literature Search 10 2.2 Data Collection and Analysis 11 2.3 Prevailing Practices 14 Chapter 3 Project Results 14 3.1 Equipment Classification Scheme 15 3.2 Equipment Replacement Factors 29 3.3 Life Cycle Cost Analysis 32 3.4 Replacement Processes 32 3.5 Optimization Tool 38 Chapter 4 Summary and Suggested Research 38 4.1 Summary of Findings 38 4.2 Suggested Research 39 4.3 Need for System Training and Ongoing Support 39 4.4 Need for Trained Dedicated Staff 40 References 41 Appendix A Default Depreciation Tables 44 Appendix B Equipment Replacement Process

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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 879: Optimal Replacement Cycles of Highway Operations Equipment acts as a handbook on equipment replacement concepts and an instruction manual for making cost-effective replacement decisions. The research report presents a process for determining replacement needs for highway operations equipment, identifying candidate equipment units for replacement, and preparing an annual equipment replacement program. The products include a guidance document and an Excel-based replacement optimization tool to support the equipment replacement process and facilitate its implementation.

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