Some descriptions of D'Appolonia projects involving dam breach analysis and flood routing are provided in the following:

EXAMPLE PROJECTS

Safety Inspection and EAP Preparation for Six Dams
D'Appolonia was retained by the Mercer County Conservation District to prepare Emergency Action Plans (EAPs) for six dams. The scope of work included determination of the Probable Maximum Flood (PMF) for each dam and analysis of a dam breach occurring simultaneously with the peak flow. A dam breach was also calculated for non-flooding ("sunny day") conditions. The resulting flows were routed downstream and maps of the inundated areas were prepared.
Part 12 Dam Safety Inspections and Remedial Studies
To fulfill Federal Energy Regulatory Commission (FERC) Part 12 requirements, D'Appolonia has conducted 5-year comprehensive inspections and performed stability, PMF and dam breach analyses for the Hawks Nest Dam in West Virginia.
Engineering for Low-Head Hydroelectric Power Installations
D'Appolonia was retained to assess geotechnical and hydrologic/hydraulic conditions related to low-head hydropower development at two lock and dam installations on the Allegheny River near Pittsburgh, PA. The work at one site included flood routing studies to evaluate the effects of river flow restrictions resulting from construction of temporary cofferdams and the permanent facility.
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