Have an attendance code? Sign In to enter it. This live web event has ended. Thank you for attending. Contributors Patrick Sparks, P.E. Patrick Sparks is president of Sparks Engineering, Inc., a consulting firm in San Antonio, Texas specializing in the investigation and rehabilitation of existing structures. Sparks is a Professional Fellow of the Center for Heritage Conservation at Texas A&M, is an expert member of International Scientific Committee for the Analysis and Restoration of Structures of Architectural Heritage, and is an advisor to the Concrete Preservation Institute. Among other projects, he was responsible for structural QA/QC on the relocation of the Cape Hatteras Lighthouse, structural investigation of the Alamo, stabilization of 18th century churches in the San Antonio Missions World Heritage Site, the rehabilitation of the historic Rio de Manatí Bridge in Puerto Rico, and conservation of WWII concrete structures on Peleliu Island, Republic of Palau. He is the author of many technical papers on building conservation including the recent DoD study: Implementing Environmental & Economic Cost Benefits of Reusing DoD’s Pre-World War II Buildings.