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ULSTEIN SX121 M/V "ISLAND PERFORMER"

ULSTEIN SX121 M/V "ISLAND PERFORMER"

ULSTEIN SX121 M/V "ISLAND PERFORMER"

Product catalog summary
Overview
The ULSTEIN SX121 M/V “ISLAND PERFORMER” is a Riserless Light Well Intervention (RLWI) and Inspection, Maintenance & Repair (IMR) vessel designed and built by ULSTEIN for Island Offshore. It features the ULSTEIN X-BOW® hull form and a diesel-electric propulsion system, ensuring efficient fuel consumption, sea keeping, and station keeping capabilities.

Main Specifications
- Length overall: 130.0 m
- Breadth moulded: 25.0 m
- Depth to main deck: 10.0 m
- Scantling draught: 7.6 m
- Max speed: 15.25 knots

Tank Capacities
- Fuel oil: 2,084 m3
- Fresh water: 1,077 m3
- Ballast water/Drill water: 6,581 m3

Vessel Capacities
- Dead weight with Module Handling/Intervention Tower: ~7300 t
- Deck load: ~3900 t
- Cargo deck area, main deck: ~800 m2

Moon Pools
- Main moon pool: 8.0 m x 8.0 m
- ROV moon pool: 4.9 m x 5.0 m

Classification and Flag
- Classification: DNV 1A1, SF, E0, DYNPOS-AUTRO, CLEAN DESIGN
- Flag: NIS

Accommodation
The vessel accommodates 130 crew members with high-quality, fire-retardant furnishings. Facilities include state cabins, a hospital, mess, conference rooms, and recreational areas.

Main Activities
- Riserless Light Well Intervention (RLWI)
- Inspection, Maintenance, and Repair (IMR)
- Offshore construction with subsea crane

Environmental Features
The vessel is environmentally friendly, equipped with SCR catalysts for main engines and a Green Passport for recycling compliance.

Deck Skidding System
- Located on shelter deck with a 100 t unrestricted load capacity.

Subsea/Offshore Crane
- 250 t Offshore Pedestal Crane with Active Heave Compensation (AHC).

Module Handling/Intervention Tower
- Rated for SWL 300 t with various operational modes including Active Heave Compensation.

Propulsion and Maneuvering
- Diesel-electric power plant with six main generator engines.
- Dynamic Positioning System DNV AUTRO, IMO Class III.

Navigation and Communication
- Integrated bridge system with ARPA radars and digital chart system ECDIS.

Safety and Emergency Systems
- Emergency Shutdown System (ESD) and extensive fire detection and fighting systems.

Conclusion
The M/V “ISLAND PERFORMER” is a state-of-the-art vessel designed for efficient and environmentally responsible marine operations, equipped with advanced technology for subsea interventions and offshore construction.
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Catalog excerpts

ULSTEIN SX121 M/V "ISLAND PERFORMER"-1

SUBSEA VESSEL (RLWI/IMR) ULSTEIN SX121 M/V “ISLAND PERFORMER” Riserless Light Well Intervention/ Inspection, Maintenance & Repair Vessel Built for Island Offshore Designed and built by ULSTEIN® Hull no. 301 Ulstein Verft AS

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ULSTEIN SX121 M/V "ISLAND PERFORMER"-2

SUBSEA VESSEL (RLWI/IMR) ULSTEIN SX121 M/V “ISLAND PERFORMER” M/V “ISLAND PERFORMER” is an RLWI/IMR Vessel, designed and built by ULSTEIN. The hull form, with the ULSTEIN X-BOW®, combined with diesel electric propulsion system, ensures good performances with regard to fuel consumption, sea keeping, station keeping, speed, and deck cargo capacities. The main propulsion system comprises three azimuth thrusters with fixed pitch and nozzle, each driven by frequency controlled variable speed electric motor. One retractable/swing-up azimuth thruster and two side thrusters forward are installed, ensuring...

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ULSTEIN SX121 M/V "ISLAND PERFORMER"-3

TECHNICAL DATA DECK SKIDDING SYSTEM L ocated on shelter deck 1 00 t unrestricted load SUBSEA / OFFSHORE CRANE 250 t Offshore Pedestal Crane, Active Heave Compensated (AHC) Main winch on tank top, single fall, hook travel 3000 m SWL 250t at 14m outreach (Subsea) SWL 83 t at max 36 m outreach (Subsea AHC) Auxiliary winch AHC: 20 t at 40 m outreach, 500 m MODULE HANDLING TOWER / INTERVENTION TOWER MHT with separate stair tower Base of tower: 8135 x 8120 mm Free inside height: 31325 mm, net lifting height: 29 m MHT rated for SWL 300 t Main winch AHC SWL 140 t, 2500 m Modes: Active Heave Compensation,...

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ULSTEIN SX121 M/V "ISLAND PERFORMER"-4

SUBSEA VESSEL (RLWI/IMR) ULSTEIN SX121 M/V “ISLAND PERFORMER” OPERATION+ ‘Operation+’ allows the vessel to continue uninterrupted operations after sustaining a substantial single failure, such as the loss of generators or thrusters. This gives the vessel unmatched extended redundancy, and the charterer a ship that they can fully rely on. ESD EMERGENCY SHUT DOWN SYSTEM A system to minimize the consequences related to escape of potential hydro carbones and H2S gases. VESSEL CHARACTERISTICS COMF-V1 The vessel is equipped with resiliently mounted tunnel thrusters and carries the highest Comfort Class...

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