C-301_Amend0004.pdf

This document describes a federal contract opportunity for port maintenance dredging services. The U.S. Army Corps of Engineers, New England District is soliciting proposals to dredge approximately 2,300 cubic yards of ordinary material and 674,800 cubic yards of ordinary material plus 14,700 cubic yards of hard material from the Portsmouth Harbor Federal Navigation Channel and turning basin in New Hampshire. The dredged ordinary and hard materials will be transported via scow and disposed of at four sites, with 182,300 cubic yards of ordinary material and all hard material going to the Isle of Shoals North Disposal Site approximately 12 nautical miles east of Portsmouth, NH. Approximately 192,500 cubic yards of ordinary material will be disposed of at the Salisbury and Newbury Nearshore Disposal Sites approximately 16 nautical miles south of Portsmouth, NH, and around 300,000 cubic yards will be placed as beach fill at Nantasket Beach in Hull, MA around 55 nautical miles south of Portsmouth, NH. Mechanical and hydraulic dredging methods will be used along with scows, pipelines and offloaders. The solicitation number for this opportunity is W912WJ21B0015.