How do I bid on a City of Dallas contract? For information on the bidding process, please contact the City of Dallas Procurement Services at: .NOFA Application Checklist. Broughton This webinar walks through an actual Dallas ISD RFP. Get tips and best practices for successfully bidding on Dallas ISD opportunities. If you are looking to work with DHA and are responding to an Invitation to Bid, Request for Proposal, or Request for Qualifications, you're in the right place. All proposals must be received on or before the due date and specified time. For additional information, you may contact the Dallas College Procurement Department at . Below you will find the current Construction Services Bid Calendar, 2020 TDGs, and current Bond Vendor Opportunities.