Listed above are bid opportunities currently available with CADA. In order to obtain the bid documents, click on the project(s) of interest.Information about the City's procurement functions and policies. Add Me To Your Vendor List. If you wish to be placed on the Court's "bidder's list" to receive bid and proposal opportunities, click here and complete the form. To get started, click here to sign up. Below is a checklist to use when preparing a formal bid or proposal. SacRT uses PlanetBids, a fully automated, web-based vendor and bid management eProcurement system. The City of Elk Grove has an automated email system to alert you to its requests for proposals and bid announcements. An amendment to a request for bid (RFB) or request for qualifications (RFQ) or proposals (RFP).