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US Army Corps of Engineers BUILDING STRONG®
Christopher Frabotta Chief, Navigation Branch
U.S. Army Corps of Engineers
Galveston District
July 24, 2012
Dredging 101 Dredging and Disposal Workshop
US Army Corps of Engineers
BUILDING STRONG®
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BUILDING STRONG®
Provide safe, reliable, efficient and environmentally sustainable waterborne
transportation systems (channels, harbors, and waterways) for movement of commerce,
national security needs, and recreation.
Navigation Mission
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BUILDING STRONG®
50,000 sq-mile district boundary
460 miles of coastline
48 Texas Counties
18 Counties – Coastal Bay Estuaries
3 LNG
346 full time employees
760 miles shallow draft
240 miles deep draft
13 shallow draft ports
15 deep draft ports
Texas Ports and Waterways moved 575M
3 Strategic Ports
Texas Gulf System
Galveston District Facts
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BUILDING STRONG®
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BUILDING STRONG®
236.3
227.1
139.2
77.0
75.4
73.7
72.4
62.4 61.5 56.6
South Louisiana, LA
Houston, TX
New York, NY
Beaumont, TX
Long Beach, CA
Corpus Christi, TX
New Orleans, LA
Los Angeles, CA
Huntington, Tristate
Texas City, TX
Tonnage for Top Ten U.S. Ports in 2010 (Millions of Tons)
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BUILDING STRONG®
GIWW
Tonnage of Commerce – U.S. Inland Waterways
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BUILDING STRONG®
Project Delivery Team
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BUILDING STRONG®
Mechanical Dredges • Clamshell • Dipper • Backhoe • Dragline
Pipeline Dredges • Cutterhead • Dustpan
Trailing Suction Hopper Dredge
DREDGING METHODS TYPES OF DREDGES
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BUILDING STRONG®
Clamshell Dredge with Scow Dipper Dredge
Backhoe Dredge
Source: IHC Holland
Mechanical Dredges Mechanical Dredges
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BUILDING STRONG®
Clamshell Dredge
Source: The Dutra Group
Source: Great Lakes Dredge & Dock
Clamshell Dredges
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BUILDING STRONG®
Clamshell Dredge
Source: Manson Construction and Engineering Co.
Clamshell Dredge
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BUILDING STRONG®
Backhoe Dredge
Source: The Dutra Group
Backhoe Dredge
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BUILDING STRONG®
Dragline Dredging
Source: The Dutra Group
Dragline Dredging
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BUILDING STRONG®
Hydraulic Pipeline Dredge (Cutterhead Dredge)
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BUILDING STRONG®
Cutterhead Suction Dredges Cutterhead Suction Dredges
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BUILDING STRONG®
Cutterhead Dredge in Operation Cutterhead Dredge in Operation
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BUILDING STRONG®
Types of Cutterheads Types of Cutterheads
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BUILDING STRONG®
Cutterhead with Rock Teeth
Source: Great Lakes Dredge and Dock Co.
Cutterhead with Rock Teeth
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BUILDING STRONG®
Cutterhead Dredge DREDGE TEXAS
Idler Barge –
w/ Spud Carriage
Cutterhead Dredge DREDGE TEXAS
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BUILDING STRONG®
Hydraulic Pipeline Dredge (Dustpan Dredge)
Hydraulic Pipeline Dredge (Dustpan Dredge)
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BUILDING STRONG®
Dustpan Dredge in Operation Dustpan Dredge in Operation
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BUILDING STRONG®
Source: IHC Holland
Trailing Suction Hopper Dredge (Hopper Dredge)
Trailing Suction Hopper Dredge (Hopper Dredge)
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BUILDING STRONG®
U.S. Hopper Fleet 1. Glenn Edwards 13,800 CY 2006 2. Stuyvesant 11,140 CY 1982 3. Wheeler 8,000 CY 1981 4. Liberty Island 6,540 CY 2001 5. Terrapin Island 6,400 CY 1981 6. Essayons 6,000 CY 1983 7. Bayport 5,000 CY 1999 8. Columbia 4,425 CY 1944 9. Newport 4,000 CY 1982 10. BE Lindholm 4,000 CY 1985 11. RN Weeks 4,000 CY 1987 12. Padre Island 3,600 CY 1981 13. Dodge Island 3,600 CY 1980 14. McFarland 3,140 CY 1967 15. Westport 1,500 CY 1980 16. Atchafalaya 1,300 CY 1980
U.S. Hopper Fleet
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BUILDING STRONG®
Source: IHC Holland
Trailing Suction Hopper Dredge (Hopper Dredge)
Trailing Suction Hopper Dredge (Hopper Dredge)
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BUILDING STRONG®
Hopper Dredge in Operation
Source: Great Lakes Dredge and Dock Co.
Hopper Dredge in Operation
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BUILDING STRONG®
Split-Hull Hopper Dredge
Source: Bean-Stuyvesant Dredging
Split-Hull Hopper Dredge
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BUILDING STRONG®
Hopper Dredge with Hydraulic Disposal Doors
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BUILDING STRONG®
Turtle Exclusion Device Turtle Exclusion Device
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BUILDING STRONG®
Mechanical Dredges • Scow to Offshore Dredged Material Disposal Site (ODMDS) • Mechanically hauled
Pipeline Dredges • Upland Confined Placement Area (CPA) • Semi-Confined (Control-of-Effluent Placement) • Beach Placement • Scow-to-ODMDS
Trailing Suction Hopper Dredge • ODMDS • Near-Shore Feeder Berm • Pump-out
• Beach Placement • CPA • Semi-Confined, etc.
Disposal Methods Disposal Methods
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BUILDING STRONG®
Mechanical Dredging with Scow Disposal to ODMDS
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BUILDING STRONG®
Mechanical Dredges • Scow to Offshore Dredged Material Disposal Site (ODMDS) • Mechanically hauled
Pipeline Dredges • Upland Confined Placement Area (CPA) • Semi-Confined (Control-of-Effluent Placement) • Beach Placement • Scow-to-ODMDS
Trailing Suction Hopper Dredge • ODMDS • Near-Shore Feeder Berm • Pump-out
• Beach Placement • CPA • Semi-Confined, etc.
Disposal Methods Disposal Methods
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BUILDING STRONG®
Aerial of Confined Placement Area (Houston Ship Channel - Lost Lake Placement Area)
Aerial of Confined Placement Area (Houston Ship Channel - Lost Lake Placement Area)
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BUILDING STRONG®
Aerial of Confined Placement Area (Houston Ship Channel - Lost Lake Placement Area)
Aerial of Confined Placement Area (Houston Ship Channel - Lost Lake Placement Area)
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BUILDING STRONG®
Aerials of Spillway Structures (Houston Ship Channel - Lost Lake Placement Area)
Aerials of Spillway Structures (Houston Ship Channel - Lost Lake Placement Area)
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BUILDING STRONG®
Interior of Confined Placement Area (Levees & Spillway Structure)
Interior of Confined Placement Area (Levees & Spillway Structure)
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BUILDING STRONG®
Interior of Confined Placement Area (Levees & Spillway Structure)
Interior of Confined Placement Area (Levees & Spillway Structure)
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BUILDING STRONG®
Semi-Confined Placement Area (Bolivar Marsh Creation – Beneficial Use of Dredged Material)
Semi-Confined Placement Area (Bolivar Marsh Creation – Beneficial Use of Dredged Material)
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BUILDING STRONG®
Semi-Confined Placement Area (Bolivar Marsh Creation – Beneficial Use of Dredged Material)
Semi-Confined Placement Area (Bolivar Marsh Creation – Beneficial Use of Dredged Material)
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BUILDING STRONG®
Semi-Confined Placement Area (Bolivar Marsh Creation – Beneficial Use of Dredged Material)
Semi-Confined Placement Area (Bolivar Marsh Creation – Beneficial Use of Dredged Material)
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BUILDING STRONG®
Semi-Confined Placement Area (Bird Island Creation – Beneficial Use of Dredged Material)
Semi-Confined Placement Area (Bolivar Marsh Creation – Beneficial Use of Dredged Material)
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BUILDING STRONG®
Pipeline Dredge with Beach Placement
Pipeline Dredge with Beach Placement
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BUILDING STRONG®
Pipeline Dredge with Beach Placement
Pipeline Dredge with Beach Placement
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BUILDING STRONG®
Pipeline-to-Scow-to-ODMDS
Pipeline-to-Scow-to-ODMDS
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BUILDING STRONG®
Mechanical Dredges • Scow to Offshore Dredged Material Disposal Site (ODMDS) • Mechanically hauled
Pipeline Dredges • Upland Confined Placement Area (CPA) • Semi-Confined (Control-of-Effluent Placement) • Beach Placement • Scow-to-ODMDS
Trailing Suction Hopper Dredge • ODMDS • Near-Shore Feeder Berm • Pump-out
• Beach Placement • CPA • Semi-Confined, etc.
Disposal Methods
Disposal Methods
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BUILDING STRONG®
Hopper Dredge with Pump out to Beach
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BUILDING STRONG®
Hopper Dredge with Pump-out
Hopper Dredge with Pump out
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BUILDING STRONG®
Beach Placement Pipeline or Hopper Pump out
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BUILDING STRONG®
Project Delivery Team
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BUILDING STRONG®
Budget Cycle Timeline
Budget Cycle Timeline
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BUILDING STRONG®
Questions
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BUILDING STRONG®