Recent incidents of scaffolding collapses in the construction industry prompt the need forforensic investigations to help engineers have a better understanding of failures, their causes, andmitigation procedures. This paper presents a case study involving the investigation of a bridgescaffolding collapse; where interdisciplinary expertise of professional divers, underwaterinvestigators, and structural engineers was employed. The study presents the process of forensicinvestigation; including assessment protocol, accurate data collection, evidence collection underwater, and preservation of physical evidence. The gathered information describe the incident,type of collapsed scaffolding, underwater photos of the failed scaffolding, side-scan sonar surveyof the accident site, scaffolding orientation under water, visible damage, weather, water visibilityand conditions, probable mechanism of events, and summary of the incident. The study alsopresents the used tools/technologies for the identification, collection, preservation, and/oranalysis of forensic evidence. The case study underscores the value of forensic engineeringtechniques to identify design/construction problems and to elevate the understanding ofprofessionals engaged in forensic engineering.
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