Background
This section contains background information on the geotechnical report....
Geotechnical Reports
This section discusses the geotechnical data report, geotechnical memoranda for design, and the geotechnical baseline report....
Differing Site Conditions Clause
<p>This section discusses the Differing Site Conditions (DSC) clause, including an example of the standard clause and modifications to the Federal DSC.</p>...
The Concept of a Baseline
This section discusses baselines, including contractual assumptions about baseline statements and where to set the baseline....
Preparation of a Geotechnical Baseline Report
This section discusses the preparation of a geotechnical baseline report. Topics include organization and content, writing the GBR, wording suggestions, and consistency and compatibility....
Applications for Other Excavations and Foundations
This section discusses the application of GBRs for other excavations and foundations projects, projects involving construction operations other than tunneling....
Design-Build Procurement
This section addresses suggested means for reaching agreement between owner and DB team on the definition of expected geotechnical conditions....
Owner Perspectives
This section discusses owner perspectives. Topics include realities in the public sector, setting the baseline, and managing the owner's risk....
Roles and Responsibilities
This section summarizes the roles and responsibilities of the parties involved: owner, design team, contractor, construction manager, and dispute adjudicators....
Lessons Learned
This chapter discusses feedback obtained during two industry workshops that were specifically directed at capturing lessons learned. The first workshop, held in association with a national...
Introduction
This chapter contains an introduction to the report....
New Orleans
This chapter provides a brief overview of New Orleans....
Hurricane Katrina
This chapter provides an overview of Hurricane Katrina, including data on its category, its path and intensity, and its effect on wind and water forces....
Hurricane Protection System
This chapter discusses hurricane protection systems. Topics include standard project hurricane, levees and floodwalls, datums and elevations, and interior drainage and pump stations....
The Levees Fail
This chapter examines the failure of levees against storm forces and the flooding that ensued....
Consequences
This chapter examines the impact of Hurricane Katrina, including injury, death, and financial losses....
Direct Causes of the Catastrophe
This chapter examines direct physical causes of the hurricane protection system failures, including soil strength assessments and pumping station limitations....
Contributing Factors
This chapter examines contributing factors of the hurricane protection system failures, including the underappreciated risk to New Orleans, a piecemeal implementation of the hurricane...
What Must We Do Next?
This chapter discusses important next steps to be taken. 10 calls-to-action are listed....
Characterization of Particle Class Sizes Associated with Indicator Organisms in Stormwater
The presence of pathogen indicators is the leading cause of water body impairment in the United States, accounting for over 15% of the waters currently requiring TMDL development (USEPA,...
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