Dredging

You need to be well grounded any time you start swinging tons of material at the end of a long boom. That need is even more true when you're working on a floating platform. No one understands that better than the engineering team at Great Lakes Dock & Material LLC (GLDM), one of the leading dredging and marine construction contractors on the Great Lakes.

Chatham, Mass.-based Outermost Harbor Marine (OHM) essentially self-performed a nearly $500,000 dredging operation to open a channel at its marina in Cape Cod's Chatham Harbor, a project that started on Jan. 29 of this year and was completed on March 29.

Dredging to deepen the shipping channel to the Port of Savannah has resumed after an 18-month pause, Col. Daniel Hibner of the Army Corps of Engineers recently announced as the second half of the $973 million expansion has started to get under way. This portion, which is making room for larger cargo ships, involves deepening a 40-mi.

Monitoring efforts are under way following completion of this season's dredging operations at Indiana Harbor and Canal (IHC) in East Chicago, Ind. It is one of the most polluted waterways in the Great Lakes area. Crews will treat water from the confined disposal facility (CDF) until freeze up, with the 2020 season scheduled for next spring.

In addition to causing serious damage to many communities in the Carolinas, Hurricanes Matthew (2016), Irma (2017) and Florence (2018) were responsible for considerable destruction to the beaches in several communities throughout South Carolina that rely on local, regional and national tourism.

Started in January 2015, the $973 million Savannah Harbor Expansion Project (SHEP) is on time and budget with the U.S. Army Corps of Engineers overseeing the initiative that is deepening the federally-owned channel from 42 to 47 ft. at low tide (54 ft.

Granite and Healy Tibbitts Builders Inc. announced that their joint venture team has been awarded a $27 million joint venture contract by the Naval Facilities Engineering Command Southwest for the construction of maintenance dredging at Piers 1, 3 and Paleta Creek at Naval Base San Diego.

Dredging has resumed in the Delaware and Raritan Canal, with the current season expected to run through the end of October. As of May 1, the canal was closed to boaters between the Walking Bridge and Griggstown Lock, to accommodate work in Reach 3. The next segment to be dredged in 2019 will be Reach 5 from July to October, between Griggstown Causeway and Blackwells Mills Causeway.

The U.S. Army Corps of Engineers is moving forward with a proposal to build islands near the head of Lake Pepin by using sand and sediment removed from the Mississippi River. Minnesota Public Radio News reported that the federal agency is proposing the project to restore backwater fish and wildlife habitat.

BATON ROUGE, LA. - A plan to deepen the main channel of the Mississippi River to 50 ft. from a Louisiana city to the Gulf of Mexico has won a critical endorsement from the Army Corps of Engineers. James Dalton, the corp's civil works director, concluded the increase from Baton Rouge to the Gulf will result in annual benefits of upward of $100 million to the nation's economy, compared to average annual costs of $17.7 million.

Work on a $123 million dredging project in New England's largest seaport is under way, with plans to continue for about three years to deepen the project to its newly authorized depths. The dredging project in the Boston Harbor is designed to accommodate large container ships that are calling on the United States' east coast now that the Panama Canal improvements are completed, according to the U.S.