Many construction solicitations require attendance at a pre bid meeting or site walkthrough for a bid to be responsive, and a bidder that misses it cannot bid at all.
What a mandatory pre bid sets
The instructions to bidders state whether the pre bid meeting or site walkthrough is mandatory and set its date and the proof of attendance a responsive bid must show. When it is mandatory, missing it disqualifies the bid regardless of the price.
Why it is easy to miss
The pre bid requirement sits in the instructions, sometimes a single line, and the date often falls early in the bid period. A team focused on the estimate can read past it and learn too late that attendance was required.
How an AI bid response agent flags the pre bid
An AI bid response agent reads the instructions, extracts whether the pre bid is mandatory, its date, and the attendance proof, and surfaces it at the top of the matrix with the deadline so the team registers and attends in time.
You can see the mandatory pre bid date surfaced at the top of the matrix in our AI bid response agent demo for construction and infrastructure RFPs. It flags whether the pre bid is mandatory and when, so attendance is never missed.