We had a Client that demanded a $37,000 per day damages clause because they say, they would be losing that much per day if we were late completing the project. What constituted ""Completion"" was very clearly defined. Our comeback was that if that is the case, then we will want a $37,000 per day bonus for each day completing early. The demand was dropped.
In your case, John, I would want to know whose idea this was (competitor, mid-level manager trying to move up,etc.) and why now? It is standard when asking for a Performance bond the the Owner requesting the bond pay the premium. If you want to pursue the project, make the Premium Cost high enough to make it worth your while.