Spent Fuel Storage Structures (CANSTOR) Investigation
CANSTOR is a spent fuel reinforced concrete storage structure in which seven years cooled spent fuel S.S. baskets are stored dry for a period of 50 years.
This project consisted of investigating the existing structures in which water has been repeatedly detected during sampling campaigns, and providing solutions and recommendations.
The main activities provided are:
- Perform preliminary investigation to identify potential causes of water infiltration and propose a test program to confirm the cause
- prepare the detail testing plan and procedure for the leak and pressure testing to be performed on the fully spent fuel loaded cylinders
- confirmation of the cause of water presence post-tests
recommend modification to the spent fuel basket loading into the structures to eliminate water presence reoccurrences in subsequent cylinders
- propose a solution to reduce/eliminate water/humidity in filled cylinders
- prepare technical specification for the supply of an efficient drying system to completely eliminate residual water/humidity within affected cylinders
- provide technical support for procurement and testing of the drying system.