Abstract: The NRC SPAR models currently employ the alpha factor common cause failure (CCF) methodology and model CCF for a group of redundant components as a single “rolled-up” basic event. These SPAR models will be updated to employ a more computationally intensive and accurate approach by...

Group V is the designation assigned locally to the fifth of a series of recent U-233 production studies requested by the Division of Production. The scope of this study is given in a teletype from F. P. Baranowski to J. E. Travis, which was sent on May 28, 1964 and reported to General Electric...

Neptunium-237 production has been-calculated according to the equations documented in Reference 1 for use in 1964-AEC study. cases. The assumptions made in the forecasts are as follows: Only the 947 stream is recycled. The blend enrichment for the recycle maternal is 1.2 per cent for F-Y 64 and...

An attempt is made to broaden the purview of fiscal impact analysis to include impacts on the local private sector that may stem from local public sector changes. More specifically, attention is focused on the limiting case, in which new private sector development yields positive changes in...

The current-revision of the Process Optimization Program contains two empirical plutonium-exposure expressions. One relates total Pu conversion to exposure and the other, Pu-240 buildup to exposure. The former was incorporated to save computer time and the latter to provide product quality data....

Numerical models on several levels of complexity should be available to the emergency response planner. They are a basic tool but must be used in conjunction with both measurements and experience. When these tools are used in a complimentary fashion they greatly enhance the capability of the...

To help meet the nation’s energy needs, recycling of partially used nuclear fuel is required to close the nuclear fuel cycle, but implementing this step will require considerable investment. This report evaluates financing scenarios for integrating recycling facilities into the nuclear fuel...

Graphical presentations of human actions in incident and accident sequences have been used for many years. However, for the most part, human decision making has been underrepresented in these trees. This paper presents a method of incorporating the human decision process into graphical...

This report introduces a new perspective on the basic concept of dependent failures where the definition of dependency is based on clustering in failure times of similar components. This perspective has two significant implications: first, it relaxes the conventional assumption that dependent...

A new regulation framework has been established for the Brazilian electric energy market by a law put into effect on March 15,2004. The main overall goals of this new regulation are: to allow the lowest possible tariffs for end users, while providing the necessary economic incentives for the...