In 2018, the U.S. Army Engineer Research and Development Center (ERDC), Coastal and Hydraulics Laboratory, participated in a navigation study to assist the Virginia Port Authority evaluation of a proposed channel widening alternative for the Port of Norfolk, Virginia. The proposal will allow large coal colliers and containerships to load to a deeper draft. The proposals also included deepening portions of Norfolk Harbor and providing additional widening in one section for two-way traffic. The simulations were conducted at the Maritime Institute of Technical and Graduate Studies (MITAGS) facility in Linthicum, MD. Moffatt & Nichol directed the simulation and modeling efforts, with assistance from Webb Simulation Consulting. The U.S. Army Engineer District, Norfolk, and ERDC provided oversight to ensure that all U.S. Army Corps of Engineers simulator study requirements were met. The MITAGS simulator includes a variety of environmental forces act upon the ship during the simulation transit. These include currents, wind, waves, bathymetry, and ship-to-ship interaction. Online simulations of the project were conducted at MITAGS. Seven mariners including harbor pilots and a master mariner participated in the testing and validation exercises. Results in the form of track plots and pilot questionnaires were reviewed to develop final conclusions. DISCLAIMER: The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products. All product names and trademarks cited are the property of their respective owners. The findings of this report are not to be construed as an official Department of the Army position unless so designated by other authorized documents.
The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products. All product names and trademarks cited are the property of their respective owners. The findings of this report are not to be construed as an official Department of the Army position unless so designated by other authorized documents.
In 2020, the US Army Engineer Research and Development Center (ERDC), Coastal and Hydraulics Laboratory, provided technical oversight during a navigation study to assist the Galveston District evaluation of different channel widening alternatives for larger ships transiting the Houston Ship Channel (HSC), Texas. The widening proposals encompassed several areas of the HSC including the Bay Section, the Bayport Ship Channel, Barbours Cut Channel, and the Bayou Section. The study was performed at the San Jacinto College Maritime Technology and Training Center (SJCMTTC) Ship/Tug Simulator (STS) Facility in La Porte, TX. The SJCMTTC STS is a real-time simulator; therefore, events on the simulator happen at the same time rate as real life. A variety of environmental forces act upon the ship during the simulation transit. These include currents, wind, waves, bathymetry, and ship-to-ship interaction. Online simulations of the project were conducted at SJCMTTC over a 3-week period – May through June 2020. Several mariners including Houston Pilots and G&H tugboat Captains participated in the testing and validation exercises. ERDC oversight was performed remotely because of the COVID-19 pandemic. Results in the form of engineering observations, track plots, and pilot interviews were reviewed to develop final conclusions and recommendations regarding the final design.
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