Lock and Dam 10, Island Building Project, Phase 3 W912ES26BA009
Summary
AI-generated · Feb 24, 2026Construct islands of varying size and shape in the Mississippi River near Lock and Dam 10, Guttenberg, IA, as Phase 3 of the Island Building Project. Build island bases with granular fill (and, if needed, material dredged from the main channel), place a top layer of fine fill from access and habitat dredging, plant native grasses and willows, and stabilize the islands with rock structures such as groins and vanes, plus several standalone rock features.
Lock and Dam 10, Island Building Project, Phase 3The work includes construction of various size and shaped islands within the Mississippi River, near Lock and Dam 10, Guttenberg, IA. The base of the islands will be constructed with granular fill and if needed from main-channel dredging. The islands will be topped with fine fill obtained from access and habitat dredging, planted with native grass and willows, and stabilized with various rock structures such as groins and vanes. There will also be several stand-alone rock features.
From Presolicitation posted on Feb 23, 2026Lock and Dam 10, Island Building Project, Phase 3The work includes construction of various size and shaped islands within the Mississippi River, near Lock and Dam 10, Guttenberg, IA. The base of the islands will be constructed with granular fill and if needed from main-channel dredging. The islands will be topped with fine fill obtained from access and habitat dredging, planted with native grass and willows, and stabilized with various rock structures such as groins and vanes. There will also be several stand-alone rock features.
From Solicitation posted on Mar 10, 2026Lock and Dam 10, Island Building Project, Phase 3The work includes construction of various size and shaped islands within the Mississippi River, near Lock and Dam 10, Guttenberg, IA. The base of the islands will be constructed with granular fill and if needed from main-channel dredging. The islands will be topped with fine fill obtained from access and habitat dredging, planted with native grass and willows, and stabilized with various rock structures such as groins and vanes. There will also be several stand-alone rock features.
From Solicitation posted on Apr 06, 2026Notice history
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Presolicitation Posted Feb 23, 2026
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Solicitation Posted Mar 10, 2026View changes (2)
- Notice Type: Presolicitation → Solicitation
- Response Deadline: Not set → Apr 09, 2026
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Solicitation LATEST Posted Apr 06, 2026View changes (1)
- Response Deadline: Apr 09, 2026 → Apr 14, 2026
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