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From operator to entrepreneur: David Garcia applies outage management lessons
David Garcia
If ComEd’s Zion plant in northern Illinois hadn’t closed in 1998, David Garcia might still be there, where he got his start in nuclear power as an operator at age 24.
But in his ninth year working there, Zion closed, and Garcia moved on to a series of new roles—including at Wisconsin’s Point Beach plant, the corporate offices of Minnesota’s Xcel Energy, and on the supplier side at PaR Nuclear—into an on-the-job education that he augmented with degrees in business and divinity that he sought later in life.
Garcia started his own company—Waymaker Resource Group—in 2014. Recently, Waymaker has been supporting Holtec’s restart project at the Palisades plant with staffing and analysis. Palisades sits almost exactly due east of the fully decommissioned Zion site on the other side of Lake Michigan and is poised to operate again after what amounts to an extended outage of more than three years. Holtec also plans to build more reactors at the same site.
For Garcia, the takeaway is clear: “This industry is not going away. Nuclear power and the adjacent industries that support nuclear power—and clean energy, period—are going to be needed for decades upon decades.”
In July, Garcia talked with Nuclear News staff writer Susan Gallier about his career and what he has learned about running successful outages and other projects.
Bernhard Kienzler, Rainer H. Köster
Nuclear Technology | Volume 71 | Number 3 | December 1985 | Pages 590-596
Technical Paper | Radioactive Waste Management | doi.org/10.13182/NT85-A33681
Articles are hosted by Taylor and Francis Online.
Evaluation of the long-term radionuclide release from cemented waste forms in contact with solutions like salt brine requires a detailed chemical analysis of the corrosion processes. The results can be integrated into a theoretical model. For this purpose, experiments were performed with simulated cemented radioactive waste forms, giving the concentration profiles of the elements involved in the corrosion process. The profiles are measured parallel to the direction of corrosion, mainly by electron microprobe analysis. The profiles are compared with profiles computed with the recently developed DIFMOD computer code. It computes both leaching of specimen transportation of the reactive ions, such as Mg2+ and contained in a quinary brine, into the cement product and the chemical reactions occurring in the waste form. On the basis of diffusion constants from the literature and fitted material constants, a good agreement between the calculated and measured concentration profiles has been achieved. The penetration of the corrosion front into waste forms is computed as an example of a practical application of the model.
