How do I submit a bid or proposal? All formal bids and proposals shall be submitted as specified in the solicitation document.Here, you'll find details about contracting opportunities, vendor qualifications, proposals and how to bid on projects. Submitting your bid can be done either physically at the office noted in the bid advertisement or online at the BidExpress website. "Solicitation". Means an Invitation for Bid (IFB),. Request for Proposal (RFP), Request for. The Bidder must complete a Minimal Qualifications Matrix (Form 6.1, Appendix C, Bid. Edit, sign, and share CITY OF PHOENIX REQUEST FOR PROPOSAL (RFP) online. No need to install software, just go to DocHub, and sign up instantly and for free. Fill out this Part ONLY if DVBE goal will not be met but you have made a good faith effort to meet such goal.