Lee County Ionwave #B260347JAK Addendum 3

Blind Pass and Connected-Channel Maintenance Dredging

Lee County is seeking a contractor to dredge Blind Pass and connected channels and place compatible sediment on the downdrift beach. - Government buyer: Lee County, Florida; Lee County Board of County Commissioners; Procurement Management Division. - Work requested: Remove approximately 120,900 cubic yards of sediment: 68,180 cubic yards seaward of Blind Pass Bridge, 43,680 cubic yards in Wulfert Channel, and 9,040 cubic yards in Roosevelt Channel. Place beach-compatible material on the downdrift beach between R-112 and R-116. - Bid line items: Mobilization and demobilization (1 lump sum); dredging and fill (120,900 cubic yards); environmental protection (1 lump sum); shorebird protection (45 days); turbidity monitoring (1 lump sum); and an optional channel resweep (12,000 cubic yards). - Notable requirements: Follow project permits and technical specifications; provide environmental, shorebird, and turbidity protections; and submit qualifications demonstrating relevant hydraulic dredging and beach-fill experience. A temporary variance allows an expanded 1,500-meter mixing zone. - Funding: The project is funded in part or in whole by the Florida Department of Environmental Protection, with applicable grant requirements. - OEMs and named vendors: No product manufacturers or commercial vendors are identified.

Description

Lee County Board of County Commissioners is seeking a qualified contractor to perform maintenance dredging of Blind Pass Channel and its connection to Roosevelt Channel through the historic pass and beneath the bridge between Sanibel and Captiva Island. The work includes removing approximately 120,900 cubic yards of sediment from Blind Pass, Wulfert Channel, and Roosevelt Channel, with beach-compatible material placed on the downdrift beach between R-112 and R-116. The channel extends from approximately the -10’ NAVD contour in the Gulf of Mexico into Pine Island Sound, and permitted dredge-cut widths and depths vary. Bids may be submitted electronically through Ion Wave or delivered by hand before the October 22, 2026 deadline; funding is provided in part or whole by the Florida Department of Environmental Protection, and applicable grant requirements apply.

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