Fluor [FLR]-led Savannah River Nuclear Solutions, the Savannah River site management contractor, is on the hook to turn in a CD-1 decision to the Department of Energy's semi-autonomous National Nuclear Security Administration (NNSA) by the end of the government's 2020 fiscal year. That is according to Gregory Meyer, Fluor's senior vice president for operations in the environmental and nuclear group, who spoke during a question-and-answer session here at the ExchangeMonitor' s annual Nuclear Deterrence Summit in Arlington, Va.