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MPSV Chester Morrison

DP2 Saturation Multipurpose Service Vessel

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Specifications

  • Length: 260 ft
  • Beam: 60 ft
  • Deck Area: 4,392 ft²
  • Deck Load Rating: 1,024 lbs/ft²
  • Max Draft: 16 ft 9 in
  • Min Draft: 8 ft 6 in
  • Gross: 2,520 GT
  • NET: 756 NT
  • Galley/Mess Seating: 30 personnel
  • IMO:9246865
  • Certifications:
    Oceans-SOLAS,
    USCG Subchapter I,
    USCG Subchapter L
  • Classifications:
    American Bureau of Shipping,
    Loadline, +A1, +AMS, +DPS-2

 


CRANE SPECIFICATION

  • Model:
    Nautilus 340 BT-50/70 Marine Crane
    N33 T at 25 ft radius
    (dynamic rating in accordance with crane load charts)
  • Offshore Lifting Capabilities:
    Dynamic offshore over-the-side lifting
    Boom length: 50 ft (retracted) / 70 ft (extended)
    Dual block systems (main and auxiliary)
    Personnel Transfer Capabilities
  • Tonnage / Wire Length:
    (Dynamic Offshore Lift Configurations)
    1-part: 7.5 T & 2,000 ft wire
    2-part: 16.8 T & 1,000 ft wire
    4-part: 33.3 T & 500 ft wire

 


GENERAL DESCRIPTION

  • Vessel Class: 265 Class
  • Dynamic Positioning: DP2
  • Number of Berths: 60
  • Flag: U.S. / Jones Act Compliant

 

 

Propulsion, Machinery & Steering

Main Engines: 2 x Caterpillar 3608 (6,780 hp)
Propellers: CPP, High Efficiency, 4-Blade
Shaft Generators: 2 x Main Engine Driven (4,000 kw)
Primary Generators: 3 x Caterpillar 3406 (960 kw)
Bow Thruster: 2 x Brunvoll CPP Tunnel (2,400 hp)
Stern Thruster: 2 x Brunvoll CPP Tunnel (1,200 hp)

Performance

Max Speed: 12.0 kts
Cruise Speed: 10.0 kts

Tank Capacities

Potable Water: 132,000 U.S. gallons
Fuel: 170,000 U.S. gallons

Communications

Dual Starlink Systems (Port / Starboard):
Supporting high-speed internet, data transfer, and voice communications

ROV

Work Class or Observation Class ROV Systems Available

*Morrison welcomes discussions on reasonable modifications to meet unique project requirements.

Saturation & Surface Diving System

DNV Classed Saturation Diving System Rated: to 1000 FSW
Maximum Manning Level in Chambers: 16 persons in 3 chambers (split saturation capabilities)
Self-Propelled Hyperbaric Lifeboat (SPHL) Capacity: 18 persons
DNV AND IMCA Compliant Come Out Chamber: 4-person max compression
IMCA D023 Compliant Surface Diving System: Dual Unique LR50 LARS Systems
Maximum Number of Divers in Bell: 3 persons
Centered Moonpool

Dynamic Position & Reference Systems

DP System: Beier Radio IVCS 4000 DP-2
DGNSS: Fugro Seastar 9410-AUT
Laser Based Reference: Wartsila Cyscan AS
Radar Based Reference: Kongsberg Radius
Tautwire: SMT TW-1.1
Acoustic Reference: Kongsberg HiPAP 452