We are accepting proposals from contractors, consultants and vendors interested in operating a recreation program or service at any of our parks or facilities. REQUEST FOR PROPOSAL DOCUMENTS: Request for Proposal documents will be available on or after September 22, 2017.Proposal submissions must be clearly marked with proposal number, proposal title and proposal opening date. All Proposals shall be submitted as set forth in the Instructions to Proposers. When filling out the proposal form,. Proposers are required to complete proposal in ink. Miami-Dade County has a Vendor Outreach and Support team available to help. Fill in the required fields to Create Account. 3.