Request for Proposal. The process to doing business with San Bernardino County begins with registering with the online procurement system (ePro).Funding for a portion of the activities in this RFP are provided through the Caltrans Transportation. The scope of work, plans, specifications, and copies of the proposal are available for review at our office at 1170. The RFP process can be complicated to manage. Learn how to speed up your process with these steps and tips from proposal professionals. New San Bernardino Courthouse Construction Inspection Services.