This was caused breaking off the floor due to change the flooring. Since it is a long running electrical conduit, we can't pull all the way back the conduit, so we enclosed the damaged part with another large conduit and then insulated safely.
Please look at the above sentences and advise.
This is not expressed clearly. However, I think what you want to say is this: The break in the conduit was caused when the flooring was changed. Since it is a long, running conduit, we can't simply pull out the conduit and replace it.
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This is not expressed clearly. However, I think what you want to say is this:
The break in the conduit was caused when the flooring was changed. Since it is a long, running conduit, we can't simply pull out the conduit and replace it. Instead, we enclosed the damaged section within a larger conduit and provided safety insulation.
I hope this helps.