Technical Requirements Manual
The NRC made some rule changes in the mid-1990’s that simplified a critical component of a nuclear power plant’s licensing basis. This reduced the…
Licensing Basis
Archive
Tag: tech specs
Modifying the UFSAR with the 50.59 process
Often a design will require updating something in the UFSAR. It might be a drawing or some text. There’s a process for that .…
Licensing Basis
The most important task performed by the tech specs
The Tech Specs don’t include the basis used to explain and justify them. Those explanations are contained in the Tech Specs Bases. That raises…
Licensing Basis
Explaining the LCO concept using an analogy
There’s always room to better explain what an LCO actually is. One thing that’s helpful to know is the relationship between operability, surveillance requirements,…
Licensing Basis
A simple illustration of an LCO
The concept “limiting condition for operation” can be a bit tricky to understand at first. In the industry, we simply call them “LCOs”. This…
Licensing Basis
A brief into to the Tech Specs
The Technical Specifications, or Tech Specs for short, are the documented technical parameters that govern the plant’s safe operation. Whereas the UFSAR reads more…
Licensing Basis
The UFSAR
One of the most popular of the licensing basis documents that you’ll work with (or hear about) is the UFSAR. It stands for updated…
Licensing Basis
The most common licensing basis documents
The NRC requires a new plant undergoing the licensing process to create a set of documents that will govern its operation. It reviews, and…
Licensing Basis