Fully read the proposal instructions and complete RFP before submitting written questions. Proposal Preparation.Bidders must follow these Proposal Instructions. Please check your proposal to make sure you have included all of the specifications in the. Request for Proposals (the "RFP"). You must obtain a detailed breakdown of the contractor's proposed cost - not a lump sum proposal – before negotiating the change in contract price. Bidder questions about this RFP must be emailed to the Solicitation. The sooner Procurement Services is involved, the smoother the process. Click here for additional information on completing the Sourcing Request Form.