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- W3164429023 abstract "This report provides an evaluation framework, practices and supporting tools for evaluating road preservation and renewal treatment options for predominantly sprayed seal flexible pavements. It includes a compilation of case studies based on a pavement life-cycle costing analysis which draws on road agency pavement treatment practices and well-established economic principles. The reported case studies have demonstrated the optimum selection of asset preservation, renewal strategies and treatments used to prolong pavement life, including: the value of timely intervention where different levels of service are justifiable the need to understand the true treatment demand, including whether a treatment is required for functional reasons or to provide additional structural capacity the importance of accounting for all costs, including both routine and heavy repairs, to allow a true comparison to be made the benefits derived from a selection of safety-related treatments often applied in conjunction with preservation and renewal work. The findings from the case studies and the methods and tools provided can aid practitioners in preparing their own cases and justifications and in ‘selling the message’ of appropriate asset preservation and improvement strategies to executives. Pavement life-cycle costing demonstration tool The Pavement Life-cycle Cost Demonstration Tool, developed in MS Excel, is based on a deterministic pavement life‑cycle cost analysis. Appendix A of the report describes the tool in detail. The tool can be used to model a wide range of pavement maintenance–related treatments and minor cross-section improvements. The tool's outputs can be used to: demonstrate the value of pavement asset preservation programs using standard responses, such as timely resurfacing and ride quality or other profile corrections illustrate the benefits of minor works including drainage and shoulder improvements on pavement performance demonstrate the value of combination seals and modified binders as initial surfacings, or resurfacings, which would be expected to extend the binder life and slow the rate of deterioration examine the effect of pavement structural strengthening improvement, a change in climate or a change in traffic growth. Download the Pavement Lifecycle Costing Demonstration Tool Template | 5MB macro enabled Excel Download the Pavement Lifecycle Costing Demonstration Tool Case Study | 5MB macro enabled Excel Qindong Li, Tyrone Toole, Dr Tim Martin, Liam Terris and Ranita Sen presented three webinars about the report and the tool. Watch the recordings below: Development and Justification of Asset Preservation and Renewal: Report Overview Development and Justification of Asset Preservation and Renewal: Framework and Tools Development and Justification of Asset Preservation and Renewal: Investment Decision Making" @default.
- W3164429023 created "2021-06-07" @default.
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- W3164429023 date "2021-05-03" @default.
- W3164429023 modified "2023-09-25" @default.
- W3164429023 title "Prolonging the Life of Road Assets Under Increasing Demand: A Framework and Tools for Informing the Development and Justification of Asset Preservation and Renewal" @default.
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