I have a fixed price construction project with a builder that was signed on 1/20/20 and the construction loan closed on 2/28/20. The loan has a force majeure clause in it. The builder is attempting to replace the existing contract with a new Cost Plus contract. We refused to sign that and the builder has now halted framing until lumber prices come down citing the Corona virus pandemic. Does the builder have any legal footing to cause a delay due to this?