Contract opportunities are procurement notices from federal contracting offices. Bidder proposes, and agrees if this Proposal is accepted, Bidder will contract with the COUNTY in the form of the copy of the.Proposal Transmittal Form. Contractor agrees to provide services in accordance with the terms and conditions of this. The third means of implementing transactions with OaSIS is manual review and data entry by. Before submitting a Bid, each Bidder will, at the Bidder's own expense, make or obtain any additional information and data which pertain to the physical. SUBMITTING PROPOSALS: Sealed bids will be accepted in the Purchasing Division. Office, 5790 Margate Boulevard, Margate, FL 33063 until AM., TUESDAY,. The Suwannee River Water Management District (District) is conducting this Request for.