When we posted yesterday about the RFP for the Tappan Zee Bridge replacement, we perhaps missed the most important aspect of the Instructions to Bidders: No Obligation to Award. (It’s on page 40, for those keeping track.) Usually this sort of provision is a safety valve. Here, it might be more. The owner apparently still doesn’t know where the money will come from. Bloomberg is reporting that a bill is working its way through the New York Legislature to allow Public Private Partnership funding for . . . the Tappan Zee Bridge Replacement.