DES has launched a new bidding portal (Bonfire) that allows you to submit bids and proposals to DES online. Project details or plans and specifications will provide information on how to submit a bid package, including the bid proposal form.This page provides a general overview of the public works bidding and award procedures for local governments in Washington State. For a bid to be valid, a completed Bid Form (included in this package) must be submitted. â–« State prevailing wages are required. Project-specific contracts shall use EITHER CSI format OR WSDOT specification format. The bid shall be typed or filled out in ink. Numerical bid prices can be typed or printed in clean legible figures.