Prior to its invitation for bids, the public entity must prepare complete and accurate plans and specifications and estimates of cost, giving such directions as. The mistake was made in filling out the Bid and not due to error in judgment or to carelessness in inspecting the Work site, or in reading the Plans and.Solicitations are documents used to request quotes, offers, bids, or proposals from suppliers and are characterized as either informal or formal. All documents requiring a signature must bear an original signature of a person authorized to bind the bidding firm. ADMINISTRATIVE REQUIREMENTS: The attached Administrative Requirements, General Conditions and Invoice Instructions apply to this Bid. This chapter describes the individual construction documents within the approved contract types and gives requirements for document preparation. The Competitive Bidding Requirement. 1.