Confidential discussions, that are iterative in nature, are conducted throughout the solicitation process to encourage dialogue between the State and bidders. Find the resources and tips you need to succeed through The Bid Lab's Ultimate Guide to California RFPs, bids, and procurements.Email the Purchasing Division or call (510) 494-4620 for further information. While writing an RFP you should give a brief about the company history. Look for the experience and knowledge base of the vendor. Completion of Work: All work shall be completed within 600 calendar days for the date when the Contract Time commences to run. Requests for Proposals (RFPs) from RCOC are listed below and can be downloaded and printed in their entirety. The RFP process can be complicated to manage. Learn how to speed up your process with these steps and tips from proposal professionals.