What collectively refers to all documents provided to prospective bidders for a project?

The term that collectively refers to all documents provided to prospective bidders for a project is "Bid Documents." This includes an assortment of materials essential for ensuring that potential bidders understand everything related to the project, such as the scope, requirements, and terms of the proposal. Bid documents typically encompass invitation to bids, instructions to bidders, specifications, drawings, and other necessary forms and conditions that bidders must adhere to when submitting their proposals.

In contrast, proposal documents generally refer to the specific submission created by a bidder in response to the bid documents, outlining how they intend to undertake the project. Contractual obligations pertain to the specific duties and responsibilities outlined in a contract, which come into play after a bid is awarded and do not encompass the initial bidding phase. Work specifications detail particular technical aspects or requirements for the project work but do not represent the entirety of the information provided for bidding purposes. Therefore, "Bid Documents" is the comprehensive term that encompasses all relevant documents designed to inform and guide bidders in the proposal process.