Guidelines for Managing Geotechnical Risks in Design–Build Projects (2018) / Chapter Skim
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Pages 35-41
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From page 35... ...
35 There is a need to align differences in perception of the geotechnical risk between owner and contractor to avoid overestimating or underestimating the risks by either party and reduce con flicts by effectively sharing the risk. This chapter will report the effective practices (tools)
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36 Guidelines for Managing Geotechnical Risks in Design–Build Projects ability of the project team's use of the tools. Therefore, the appropriate methods for implement ing the tools are defined as follows: • Pre-advertising geotechnical risk management.
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Geotechnical Risk Management Strategies, Methods, and Tools 37 4. Site conditions history from property owners during right-of-way acquisition.
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38 Guidelines for Managing Geotechnical Risks in Design–Build Projects 8. Progressive design–build.
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Geotechnical Risk Management Strategies, Methods, and Tools 39 during construction; the owner collects all the relevant data from similar previous projects and the test results for the current project (geotechnical data report)
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40 Guidelines for Managing Geotechnical Risks in Design–Build Projects Method Tool Pre-advertising • Include GBR-C provision • Provide a mechanism to conduct competing team requested additional borings, i.e., permits, rights of access, etc. • Collect potential contaminated material information during ROW acquisition Procurement • Request geotechnical ATCs on DB projects • Define no-go zones for geotechnical ATCs • Competitor designated boring locations • Competitors permitted to conduct supplementary borings at own expense • Progressive DB • Unit prices for contaminated material, over-excavation, etc.
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Geotechnical Risk Management Strategies, Methods, and Tools 41 Method Tool Pre-advertising • Geotechnical conditions database • Furnish GBR • Include GBR-C provision • Prescriptive geotechnical design • Performance specifications for post-construction performance (subsidence, etc.) Procurement • Request of geotechnical ATCs • Define no-go zones for geotechnical ATCs • Competitor designated boring locations • Competitors permitted to conduct supplementary borings at own expense.
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