Great Lakes Dredge and Dock Co. LLC, Oak Brook, Illinois, has won a $7,183,435 contract for maintenance dredging of the inland waterway between the Delaware Bay and the Chesapeake Bay, reports the U.S. Department of Defense (DoD).
According to the Army Corps, Philadelphia District, maintenance dredging under this contract will be performed at various locations along the waterway in St. Georges, Delaware; and Chesapeake City, Maryland.
Overall, the work includes dredging of the canal from Station 00+000 to Station 250+440. Dredging will be required to a distance of 25 feet outside the channel limits where shoaling occurs along the channel edge within the authorized channel limits, USACE said.
The Corps also added that the dredging will be required to a depth of 36′ MLLW (Datum) plus 1′ allowable overdepth within the contract work limits, from station 00+000 to station 250+440, with no side slopes delineated and/or paid for.
The environmental dredging window for this project is between October 1, 2018 and March 31, 2019.