The cable runs through 400 feet of conduit that is buried under the building slab. The cables are very important and are required for safe shutdown of the plant. The plant is expected to run an additional 20 years. We have looked into using Okonite, however their cables are not submersable...
I need to determine the best solution to replace failing class 1E safety-related 4160V feeder cables that are routed in buried conduit, which is full of water. I will need to consider the following options.
1. New alternate route above ground. Cost - approx 5M.
2. Use of inner conduit. Cost...