[PDF] Dredged Material Management Plan Dmmp For The Port Of New York And New Jersey eBook

Author :
Publisher :
Page : 31 pages
File Size : 21,89 MB
Release : 1998
Category : Dredging
ISBN :

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"The New York District, Corps of Engineers (NYD) has initiated preparation of a Dredged Material Management Plan (DMMP) for the Port of New York and New Jersey (the Port), addressing a lack of disposal alternatives and disposal sites for contaminated dredged material from the harbor. The Waterways Experiement Station (WES) is conducting studies in support of NYD to develp technical information for a feasibility-level evaluation of alternatives. This report describes siting of island confined disposal facilities (CDFs) and constructed contained aquatic disposal (CAD) pits. Siting considerations for use of existing burrow pits are not the focus of this report."--Introduction.

Author : Moffatt & Nichol, Engineers
Publisher :
Page : pages
File Size : 13,69 MB
Release : 1997
Category : Dredging spoil
ISBN :

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The New York Harbor includes over 240 miles of federally authorized and maintained navigation channels, and includes over 60 miles that are maintained to a depth of 35 to 45 feet below Mean Lower Low Water (MLLW). Dredging is required to maintain project depths within the New York Harbor system of channels. Data from the USACE MUD-DUMP data base show that, for example, from 1976 to 1994, over 110 millions cubic yards of sediment were dredged from the harbor system which corresponds to a "running" average annual dredging of 6.7 million cubic yards that includes both maintenance and deepening work, Federal and non-Federal. This volume represents the majority of material dredged from the harbor (toal of approximately 7 million cubic yards). The Mud Dump site has been used since 1914 as the primary location for dredged material disposal. This report presents an evaluation of potential schemes for reducing and/or minimizing sedimentation [other that advanced maintenance techniques which are being investigated separately by the U.S. Army Corps of Engineers Waterways Experiement Station (WES) within the Federally maintained channels in the vicinity of New York Harbor. The work was performed as part of the Dredged Material Management Plan (DMMP) being developed by the U.S. Army Corps of Engineers, New York District (USACE).