Marine Work,Water Piping,Sewage Piping
MVN – Mississippi River, Baton Rouge to Gulf of Mexico, Louisiana, FY-2010, Cutterhead Dredge Rental, Saltwater Barrier Sill, Plaquemines Parish, Louisiana (OM-10-135)
furnishing one fully crewed and equipped cutterhead dredge and attendance plant with a dredge discharge size not less than 24 inches inside diameter (ID) on a rental basis. The Contractors plant will primarily be used in connection with the construction of a saltwater barrier sill located between miles 65.0 and 63.1 Above Head of Passes (AHP) on the Mississippi River in water deeper than -45 feet NGVD. The work will consists of satisfactorily placing hydraulically dredged material which shall be taken from a borrow area located on the river bottom. The contract drawings show the anticipated location and configuration of the sill and borrow area. Further details of the location and size of the sill and borrow area required will be given in the dredging assignments. A spill barge with submerged vertical pipe shall be used to discharge material below the water surface.