Lock and Dam 10, Island Building Project, Phase 3   3

Background
The Lock and Dam 10, Island Building Project, Phase 3 is initiated by the U.S. Army Corps of Engineers, aimed at enhancing the Mississippi River ecosystem through the construction of islands. This project is part of a broader mission to manage and improve river habitats while ensuring flood control and navigation safety.

Work Details
The project involves the construction of various size and shaped islands within the Mississippi River near Lock and Dam 10 in Guttenberg, IA. Key tasks include:

- Constructing island bases with granular fill sourced from main-channel dredging;
- Topping islands with fine fill from habitat dredging;
- Planting native grasses and willows;
- Stabilizing islands with rock structures such as groins and vanes;
- Creating stand-alone rock features.

The construction type is classified as Heavy River Work, which encompasses activities related to floodplain management including canals, channels, coffer dams, levee work, locks, dams, jetties, and shoreline maintenance.

Place of Performance
The geographic location for the construction projects is primarily within the floodplain of the Mississippi River near Lock and Dam 10 in Guttenberg, Iowa.