The extent to which the success of any project can be achieved, regardless of the metric adopted, is a direct result of the quality of each of the successive processes followed from conception to completion. For projects involving specialty geotechnical construction techniques used for building or remediating dams and levees, these processes are long and intense, and will be conducted over several years. The processes range from site investigation and characterization to the in-situ demonstration of compliance and confirmation that the built product is ‘fit for purpose”.
Embracing some of the guiding and enduring principles of Total Quality Management (TQM), this paper provides guidelines as to the concepts and details pertaining to each of the successive processes, involved in the construction of cut-off walls using “Excavate and Replace” methods or “In-situ Mixing” (Category 1 and 2 methods respectively), grouting and prestressed anchors. It is intended to be of value to Owners, Regulators, Engineers and Contractors alike.
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