Complete the form and upload it to the Response Attachments tab. The total on the form should match your Base Proposal total on the.Cooperation of Contractor in the Standard Specifications For. Construction And Maintenance Of Highways, Streets, And Bridges. Addenda will be posted to the Tarrant County 911 District web page and will be emailed to those that attended the preproposal meeting. If this proposal is the low bid, the bidder agrees to provide the following information prior to award of the contract. 1. Tarrant County College District (TCCD) has implemented a new eProcurement platform called Bonfire.