Inner Harbor Navigation Canal Lock Replacement Project, Orleans Parish PDF Download
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Author:
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Category :
Languages : en
Pages : 506
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 506
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Author: United States. Army. Corps of Engineers. New Orleans District
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Category : Channels (Hydraulic engineering)
Languages : en
Pages :
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Author: Felton M. Prosper
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Category : Compensation (Law)
Languages : en
Pages : 160
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Author:
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Category :
Languages : en
Pages : 0
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Author:
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Category :
Languages : en
Pages : 174
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Author: University of New Orleans. College of Urban and Public Affairs
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Category : Cities and towns
Languages : en
Pages : 48
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Author: United States. Army. Corps of Engineers. New Orleans District
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Category : Canals
Languages : en
Pages : 28
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Author: Frederick Dobney
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Category :
Languages : en
Pages : 265
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This report identifies the historic themes associated with the construction and continued economic influence of the IHNC lock. The natural setting of the project area--Local geomorphology, Mississippi River Delta soil conditions, and the area between Lake Pontchartrain and the Mississippi River. The historic setting of the area which is now the Inner Harbor Navigation Canal (IHNC)--land use patterns, prior local navigation projects, etc.;an historical verview of inland navigation in the United States; A detailed account of the events surrounding the design and construction of the Industrial Canal (IHNC) and lock. The development of technologies associated with the design and construction of navigational locks; Nationally significant lock complexes built during the same period as the IHNC--a comparative base for critical analysis of the IHNC lock; The effects of the construction of the IHNC on the Port of New Orleans; and an assessment of --dewaterings and routine maintenance activities, etc.
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Category :
Languages : en
Pages : 173
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A replacement lock is planned for the Inner Harbor Navigation Canal (IHNC) Lock in New Orleans, LA. The existing 675-ft-long by 75-ft-wide lock with a floor elevation of -36 ft referred to the National Geodetic Vertical Datum (NGVD) will be replaced with a 1,200-ft-long by 110-ft-wide lock with a floor elevation of -40 ft NGVD. The design lift for the new lock is 19.6 ft, and it will handle both deep- and shallow-draft vessels. A 1:25-scale physical model study of the proposed design was performed to verify the hydraulic design. The initial design consisted of an end filling and emptying system with sector gates. The sector gates were selected because of the reverse lift conditions that occasionally occur at the project. Guidance for this type design and lift for a deep-draft vessel was essentially nonexistent. There was concern that the end filling system might be too slow to maintain safe filling operations for this lift. A side port system was selected as the alternate system to evaluate during the study. The initial end filling and emptying system design proposed was 1,360 ft long from pintle to pintle and allowed for additional lengths at the ends of the chamber for energy dissipation. Both filling and emptying systems were evaluated with this length of lock. Normal lift conditions between 3 and 19.6 ft and a reverse lift of 9 ft were evaluated for selected valve operations. Excessive filling times were determined for the end filling and emptying system with shallow-draft vessels. With a deep-draft vessel and the end filling and emptying system, the accepted hawser force criteria could not be met with lifts greater than 3 ft even with extremely slow gate opening operations. The side port system was faster and the hydraulic conditions were more desirable. The side port system was chosen for further evaluation and the pintle-to-pintle lock length was reduced to a more conventional 1,270 ft (Type 2 design lock).
Author:
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Category : Harbors
Languages : en
Pages : 248
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