Available funding can also be used for. REQUEST FOR PROPOSAL - NOTICE TO BIDDERS.Construction of Bexar County Emergency Services District No. 2 Fire Station 125. These generally take the form of Invitation for BId (IFB), Request for Proposals (RFP) and Request for Qualifications (RFQ), among others. All proposals must be submitted via e-CImpact, United Way's online application portal. Complete and submit the Proposal Checklist found in this RFP as Attachment M. PHASE 2: TABLE OF CONTENTS. SAHA is currently completing the construction and sale of 40 affordable single-family homes in the Blueridge Subdivision.