Murden specifications

Owner/Operator: U.S. Army Corps of Engineers, Wilmington, N.C.
Dimensions: L: 156’ B: 35’ Draft: 5’
Designer: Jensen Maritime Consultants, Seattle, Wash./Bristol Harbor Group, Bristol, R.I.
Builder: Conrad Industries, Morgan City, La.
Mission: Split-hull hopper dredge
Crew size: 6

Steel, split hull; aluminum pilothouse

Speed: 10 knots light boat, 7.5 knots loaded

(2) Cummins QSK 19-M 760-hp diesels rated at 2,100 rpm
(2) ZF/HRP model 4111 stern-drives with 2050 gears
(2) Wesmar V2-26 100-hp ZF/HRP-controlled bow thrusters
(2) Cummins QSM 11-DM 250-kW auxiliary generators
Cummins 6BTA5.9-D 58-kW emergency genset

Fuel: 14,500 gallons
Water: 1,000 gallons
Lube oil: 125 gallons

Drag-arm davits and winches: Coastal Marine Equipment
Hydra-Pro HP12/2F 2-ton deck crane
Dredging control and monitoring system: Digital Automation & Control Systems
Hopper hydraulics: BOC Water Hydraulics
(2) SPI/Mobile Pulley Works 10” Triathlon dredge pumps and 100-hp Teco motor with Lufkin SF800D gear (4.7:1 reduction)

Furuno NavNet 3D radar with built-in chartplotter
Furuno satellite compass, Ritchie magnetic compass
Furuno AIS
Autopilot built into ZF/HRP multi-thruster control system
Hypack Dredgepack navigational/positioning software
(2) Icom IC-504 VHF radios
Rio Marine 480-volt switchboard
Alarm systems: Sentinel Control Technologies

Aluminum-hull rescue boat type RSQ 450 A from Fast RSQ on Ned-Deck Marine SCH12-3.5 R hydraulic slewing davit system
(2) Ecologix Environmental Systems BORS-2-107 oily-water separators
Allen-Bradley Rockwell Automation variable-frequency drives
MIRUS International harmonic filters
(2) Hawboldt Industries AWHV-25.4 WH anchor windlasses

USCG Subchapter 1, Coastwise Service
ABS Maltese Cross A1, Coastwise, Domestic Service, Maltese Cross AMS

By Professional Mariner Staff