US Army Corps of Engineers
Philadelphia District & Marine Design Center

USACE DREDGE GOETZ

20-Inch Cutterhead Suction Dredge

Published Aug. 31, 2012
The Dredge Goetz, owned by the U.S. Army Corps of Engineers St. Paul District, is 225 feet long by 39 feet wide and eight feet deep, with a five-foot draft.

The Dredge Goetz, owned by the U.S. Army Corps of Engineers St. Paul District, is 225 feet long by 39 feet wide and eight feet deep, with a five-foot draft.

Vessel Owner: United States Army Corps of Engineers
Vessel Builder: Oilfield Electric Marine Inc., Houston, TX.
Project Management Team: USACE Marine Design Center and St. Paul District
Vessel Operation Team: USACE St. Paul District, St. Paul, MN

Vessel Particulars:
Length on Hull: 200’
Ladder length: 40’
Beam(Moulded): 39’
Hull Depth: 8’
Draft: 5’
Fuel Capacity: 30,000 Gal.
Potable water: 1,000 Gal.
Digging Depth: 25’
Ladder Angle: 45 degrees
Cut Width @25-foot depth:  250 feet
Production: 1000 yd3/hr
     w/o booster - 5,000 ft of pipeline
     w booster - 10,000 ft of pipeline
Discharge pipe diameter:  20 inches

Machinery, Equipment, and Special Features
Main Generators: (2) Caterpillar 3516 DG Sets, 1200 rpm
Dredge Pump: Vosta model 3635
Dredge Pump Drive: (2) 1150 HP, 600 VAC Vector Duty Motors
Dredge Pump Control/Drive: OEM V31800. True Vector IGBT Drive
Dredge Pump Gearbox: Haley Gears, HADU 1800, 1.4:1
Cutter Drive: 300 HP, 600 VAC Vector Duty AC motor
Cutter Drive/Controls: OEM Variable Speed AC Drive
Spud Hoist Winches: IHC 100 HP 480 VAC Vector Duty AC motor
Traveling Spud Carriage: Rack and pinion driven (2) 30 HP, 480 VAC Vector Duty AC motors
Swing Winches: IHC 100 HP 480 VAC Vector Duty AC motor
Ladder hoist: IHC 100 HP 480 VAC Vector Duty AC motor
Winch Drives/Controls: OEM 3000 BDM Variable Speed AC Drives
In-Port Generator: Cat C-9   DG set