Bidding Opportunities: To ensure that you are aware of all formal bidding opportunities, periodically check our bidding portal​ (SacCountyEbids). Current Bidding Opportunities.Each bid must be submitted on the bid forms provided in the Contract Documents; however, if none are provided, the surety may issue on its own paper. Complete directions, provisions, requirements, plans and specifications for the performance of a public project. Vendors can access SacRT's requests for bids and proposals through the SacRT Vendor Portal. The Met Sacramento Roof Replacement ("Project"). 2.