To make a long story short there was a lightning strike and a fire from some CSST gas line.
The fire investigators removed part of the bond wire and now I need to reconnect it. I can not run back to the electrical service so I need to splice the wire. It is #6 bare solid copper. Am I restricted to a non reversible splice as a ground wire to a ground rod would be or can I use any type of splice?
The irony is I was required to install the bond wire when I wired the house but everyone including the fire inspectors agree that the fire would not have happened if the bond wire was not installed. The lighting followed the wire to the gas pipe.

Thanks
George Skinner