Mississippi River, Baton Rouge to Gulf of Mexico, Saltwater Barrier Sill, Cutterhead Dredge Contract No. 1-2023 (OM23135)

Bid abstract posted Amendment 0004: Please see “Amendment 0004 W912P823B0056” attached for changes, also included in this attachment is Amendment 0001 acknowledgement form.

Amendment 0003: Please see Amendment 0003 attached for changes.

Amendment 0002: Please see Amendment 0002 attached for changes. This is an UNRESTRICTED procurement. Mississippi River, Baton Rouge to Gulf of Mexico, Saltwater Barrier Sill, Cutterhead Dredge Contract No. 1-2023 (OM23135)

DESCRIPTION AND MAGNITUDE OF WORK: The Contractor's dredge and attendant plant will primarily be used in connection with the construction and possible maintenance of a saltwater barrier sill located between Mile 63.0 and Mile 64.0 Above Head of Passes (AHP) on the Mississippi. The work will consist of satisfactorily placing hydraulically dredged material which shall be taken from a borrow area located on the river bottom.

The contract plates show the approximate location of the sill and configuration of the sill (should the sill need to be built to -30’ LWRP with a 620’ notch to -55’ LWRP) and borrow areas. Further details of the location, size, and configuration of the sill and borrow area required will be given in the dredging assignments. See attachment for additional details.