Geotechnical Information Practices in Design-Build Projects (2012) / Chapter Skim
Currently Skimming:
Pages 58-67
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 58... ...
56 CHAPTER SEVEN DESIGN-BUILD GEOTECHNICAL CASE STUDIES INTRODUCTION Case study data collection was based on the results of the literature review. The team proposed to identify and analyze at least four projects from across the spectrum of DB transportation projects with geotechnical aspects of specific interest to the synthesis.
|
From page 59... ...
57 vium, localized areas of coralline deposits, isolated boulders and boulder fields, residual soils, and basalt bedrock. Case 1 -- City and County of Honolulu: West O'ahu/Farrington Highway Guideway Project Value: $483 million Scope: Design and construction of a 6.5-mile elevated commuter rail guideway.
|
From page 60... ...
58 Table 33 is a summary of the GBR for the guideway project. It shows the method the owner's geotechnical consultant chose to establish the baselines for each soil type.
|
From page 61... ...
59 US 2 Rockfall Mitigation Project -- Montana DOT (MDT) This project was selected for inclusion for three reasons.
|
From page 62... ...
60 duration. Credit will also be given for design proposals that improve functionality and safety of the project" (MDT 2011)
|
From page 63... ...
61 throughout its 30-year service life. It had been jacked back up into alignment three times.
|
From page 64... ...
62 approach geotechnical problem but also to share the differing conditions risk with the winning design-builder. Procurement: The project used a typical two-step process with Mn/DOT first issuing an RFQ from which it developed a short list.
|
From page 65... ...
63 under the engineer's estimate. The RFP stated that "price proposals that exceed $220 million will be considered nonresponsive" (Mn/DOT 2010)
|
From page 66... ...
64 The design-builder originated this innovative solution to replace MoDOT's conventional slide plane removal and replace technique (McLain 2008)
|
From page 67... ...
65 • DB project delivery permitted MoDOT to complete an emergency slide repair on the I-275 project in significantly less time than two previous DBB slide repair projects. This chapter also identified the following effective practices: • The use of a "nested" DB provision that required a prequalified geotechnical specialty subcontractor to be a member of DBB general contractor's team on a project with known geotechnical issues provided a mechanism to expeditiously resolve a landslide.
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.