Ship Navigation Simulation Study, Kalihi Channel Reopening, Honolulu Harbor, Oahu, Hawaii PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Honolulu Harbor, located on the southern side of Oahu, Hawaii, has one entrance, the main channel entrance. Because of the closure of the lift on the Sand Island Bridge and the addition of a second, nonlift bridge, Kalihi Channel no longer opens into Honolulu Harbor. A tunnel has been proposed to replace the Sand Island Bridge, and, with the destruction of the old bridge, the possibility for ships and tows/barges to transit Kalihi Channel as well as the main Honolulu Channel would exist once again. Although the harbor operated with these two channels before the closure of the first bridge and the construction of the second bridge, changes in vessel dimensions since the closure and the proposed deepening of Kalihi Channel (to make it the same depth as the rest of the harbor) made a navigation study necessary to evaluate the efficiency and safety of the project.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Honolulu Harbor, located on the southern side of Oahu, Hawaii, has one entrance, the main channel entrance. Because of the closure of the lift on the Sand Island Bridge and the addition of a second, nonlift bridge, Kalihi Channel no longer opens into Honolulu Harbor. A tunnel has been proposed to replace the Sand Island Bridge, and, with the destruction of the old bridge, the possibility for ships and tows/barges to transit Kalihi Channel as well as the main Honolulu Channel would exist once again. Although the harbor operated with these two channels before the closure of the first bridge and the construction of the second bridge, changes in vessel dimensions since the closure and the proposed deepening of Kalihi Channel (to make it the same depth as the rest of the harbor) made a navigation study necessary to evaluate the efficiency and safety of the project.
Author: Publisher: ISBN: Category : Languages : en Pages : 187
Book Description
A navigation investigation of the proposed channel improvements to Lorain Harbor, Lorain, OH, was conducted. The authorized project called for three bank cuts. The research consisted of a two-phase ship simulation study. The purpose of the ship simulation study was to test the proposed bank cuts and recommend design modifications that would allow safe and efficient use of the channel by the 767-ft vessels currently used in Lorain Harbor. Two retired shipmasters from the USS Great Lakes Fleet (GLF) participated in Phase 1, which was designed as a low-cost study providing a rapid assessment of the proposed design changes and potential project benefits. The Phase 1 testing was conducted with three different channel designs: the existing channel, the authorized project, and a design suggested by a shipmaster who navigates the river. Each numerical model began at the lake approach channel and continued to the upper turning basin. Phase 1 raised questions about the transit time benefits of the study.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
The ship simulation study of St. Johns River, Jacksonville, Florida, included channel reaches from the outer entrance channel at the sea buoy to downtown Jacksonville, approximately 30 nautical miles. The study was performed to determine the effects of deepening the navigation channel from -38 ft msl to 42 ft msl. The proposed dredging would maintain the existing bank lines and bank slopes, extending the existing bank slope down to the deeper channel bottom, effectively reducing the channel width from 24 to 40 ft dependent on the bank slope. The initial plans examined were to deepen the entire channel without any widening and to deepen and widen the entire channeL Preliminary investigations conducted with pilots from the St Johns Pilots Association indicated that the unwidened channel would not seriously impact navigation, except for two away traffic. A third plan was developed that widened and deepened the channel reaches east of the Dames Point Bridge and only deepened the reaches west of the bridge, along with some realignments of reaches both east and west of the bridge. This plan, Plan C, was found to provide generally improved navigation as compared with the existing conditions.
Author: Randy A. McCollum Publisher: ISBN: Category : Channels (Hydraulic engineering) Languages : en Pages : 103
Book Description
A real-time ship simulation investigation of the proposed designs for deepening and narrowing the navigation channel for Grand Haven Harbor, Michigan, was conducted. The purpose of the study was to determine if the navigation channel could be deepened from 21 to 27 ft and narrowed from the existing 300 ft to 225 ft and maintain adequate safety. A numerical model of the existing channel from Lake Michigan to the supper limit of the maintained channel was developed. The numerically generated currents were validated independently by two test pilots from the study area since no recorded current velocities exist. They independently reached the same conclusion that the currents should be approximately 1.1 mph. The pilots tested the existing 300-ft channel and two different 225-ft channel proposals. Testing was performed on the U.S. Army Engineer Waterways Experiment Station Ship simulator. These tests demonstrated that either of the 225-ft channel proposals would be acceptable at a 27-ft depth the channel through the jetties should be centered between the jetties, and range markers should be provided.
Author: Publisher: ISBN: Category : Languages : en Pages : 94
Book Description
A real-time ship simulation investigation of the proposed design for deepening the man-made canal portion of the channel, was conducted. The purpose was to determine if the navigation channel could be deepened from 30 to 35 ft without widening from the existing channel width of 200 ft or if the channel would require widening to 250 ft. A numeric model of the existing ship channel from about channel mile 35 to the Sacramento Harbor was developed. Numeric models of two plan conditions were also developed, one with existing channel deepened to 35 ft and the other with the channel widened by 50 ft and deepened to 35 ft. In both plans the two bends were widened by 50 ft. Tests were run on the WES ship simulator in which six pilots conned the simulation ship through the three simulated channel conditions. (MM).
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Author: J. Christopher Hewlett
Author: Honolulu (Hawaii). Chamber of Commerce
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Author: J. Christopher Hewlett
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Author: J. Christopher Hewlett
Author: Randy A. McCollum
Author: Dennis W. Webb
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