Bidders must complete and submit all of the following documents with the Bid Form and Proposal: a. Bid Bond on the District's form, or other security. b.Contractors wanting to bid on items included in a particular letting must submit the properly completed "Request for. Bystep guide to understanding the bidding process, along with tips on submitting a successful bid. The schedule Request for Proposal (RFP) will go out next week to the five pre- selected contractors; they have a choice to bid or not to bid on the task order. The quantities in the proposal are approximate. Each bid must be submitted in a sealed envelope. Bid insert pages must be returned with the bid proposal submitted to the Department, unless your firm is submitting a bid using a computer print out. HUB form(s)1, 2, and 6 must be filled out completely, signed, and returned with the bid.