Changes to plans and specifications before bids are submitted are referred to as what?

Changes to plans and specifications before bids are submitted are referred to as "addenda." This term specifically applies to written documents that modify or clarify the original bidding documents. An addendum is issued after the initial plans are published and before the bidding process closes, allowing prospective bidders to understand any alterations or additional details that may affect their bids.

Using addenda ensures that all potential bidders have the same information, which promotes fairness and transparency in the bidding process. It plays a crucial role in helping bidders prepare accurate proposals that reflect the latest project requirements.

Modifications typically refer to changes made post-contract award and are not relevant in the context of bidding processes. Amendments also suggest changes after a contract has been formed, while contracts are legally binding agreements that do not pertain specifically to the bidding phase.