Great Lakes Dredge & Dock Company of Union, N.J. is the apparent low bidder on a multimillion-dollar contract to construct a 29,000-foot-long sand dike at the Hart and Miller Islands diked disposal area in Baltimore County for the Maryland Port Administration. Construction of the dike will require approximately 5,800,000 cubic yards of hydraulically dredged fill, approximately 260,000 cubic yards of stone slope protection with filter cloth, and approximately 65,000 square yards of 8-inch crusher run roadway.
Construction also includes removal and disposal within the diked area by hydraulic dredging of approximately 1,100,000 cubic yards of unsuitable foundation material, approximately 937 linear feet of sheet pile bulkhead, and various support facilities and services including surveys, sediment and erosion control, instrumentation, and test borings.
Great Lakes submitted a bid totaling $32,891,567.