Proposed Practice for Alternative Bidding of Highway Drainage Systems (2015) / Chapter Skim
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Pages 75-77
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75 Future and Parallel Research Through the course of NCHRP Project 10-86, it became clear that an increased level of standardization of specific components of highway drainage systems would simplify the implementation of national design and bidding standards including the Recommended Practice. In particular, addressing the following issues would improve the current practice as it relates to bidding alternative drainage systems: • Standardized backfill and installation requirements • Standardized DSL requirements • National pipe system inventory • Standardized structural design elements and criteria Each of these topics is described in the following subsections.
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From page 76... ...
76 would encourage greater product innovation because there would be more certainty as to what was needed to gain acceptance in the marketplace. 15.4 Standardized Structural Design Elements and Criteria Increased standardization across structural design elements (most specifically across backfill criteria)
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From page 77... ...
77 This project has identified that there is considerable uncertainty in existing methods used to estimate material service life, and that methods do not exist for all pipe types. Having a standardized framework, such as the Recommended Practice, would allow new methods to achieve widespread adoption in practice.
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