Paul G. Schweiger, P.E.
Gannett Fleming, Inc.
Vice President
Paul is a vice president of Gannett Fleming, Inc., and manager of the firm’s Dams and Hydraulics Section headquartered in Pennsylvania. He received bachelor’s and master’s degrees in civil engineering from the University of New Brunswick, Canada. His technical specialties include conducting dam assessments, designing new dams, dam rehabilitation, and dam decommissioning. Paul is an approved Independent Consultant and FERC facilitator for performing potential failure modes analysis exercises for dams, and regularly conducts training and technical seminars and webinars on a variety of dam engineering subjects. Paul served on the National Dam Safety Review Board and led the updating of the national FEMA Guidelines for Selecting and Accommodating Inflow Design Floods for Dams and the FEMA Lessons Learned from Dam Incidents and Failures research project and website. He serves as an expert hydrology and hydraulics engineer on Independent External Peer Review panels for United States Army Corps of Engineers dam and levee projects and facilitates EAP exercises for dam owners. Paul also served on the Board of Consultants for several FERC-regulated projects, including the Oroville Spillways Emergency Repair Project the Gross Reservoir Raising Project, and the Anderson Dam Seismic Retrofit Project.
Darren Mack, P.E., G.E.
Gannett Fleming, Inc.
Vice President
Darren is an area manager and chief geotechnical engineer overseeing Gannett Fleming's geotechnical, dams, and hydraulics services in California. He received his bachelor's degree from the University of California, Davis, and his master's degree from the University of California, Berkeley. He has over 25 years of professional engineering experience with a diverse background in both geotechnical engineering and civil/structural design. He is an approved FERC Part 12D independent consultant experienced in Part 12D dam safety inspection, potential failure modes analysis (PFMA), and has participated in semiquantitative risk assessment (SQRA). Darren's experience includes design of dam safety improvement projects, including seepage mitigation and spillway rehabilitation projects. He is experienced with facility evaluation of multiple kinds of water conveyance assets, including dams, and provided Safety Assurance Reviews for multiple dam and levee safety projects.
