It's a story you have heard many times: There is an invitation for bids. There are numerous bidders ... more than usual. The lowest two or three bids simply don't make mathematical sense.
On paper, it must be an unbalanced bid or an unreasonably low offer. What can you do?
Although a few years old, there are lessons learned from the bid protest entitled In the matter of Ken Leahy Construction Inc., Comp. Gen. B-290186 (June 10, 2002). The case involves a Federal Highway Administration (FHWA) invitation for bids.