This project is being undertaken in response to infilling occurring in the Grand Canal area, the proposed Grand Canal Maintenance Dredging Project has been designed to maintain navigation from Pass-A-Grille Inlet into Grand Canal. The proposed Grand Canal Dredge Channel was aligned based on current bathymetry and seagrass beds aiming to provide continuous navigation connecting Grand Canal with Pass-A-Grill Federal Navigation Channel while avoiding impacts to seagrass. The Grand Canal Dredge Channel will be maintained to -11.5 ft NAVD with a 1 ft over dredge allowance to -12.5 ft NAVD. The 150-ft wide channel plus 1:3 side slopes covers 15.5 acres and contains approximately 13,000 cy within the channel template. Placement of the dredge will consist of placing on Pass-a-Grille beach, within the permitted beach template.
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