VOS Passion is a platform supply vessel operated by Vroon Offshore Services, an international shipping company. The vessel was built by COSCO Guangdong Shipyard in China and delivered to Vroon in August 2016.
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The ship is the fourth of six vessels ordered by Vroon, of which VOS Pace (2015), VOS Paradise (2015) and VOS Partner (2016) have been delivered, while VOS Patience and VOS Patriot are under construction and scheduled for delivery in 2016.
Vroon’s PSV fleet is used for a range of operations, including cargo transportation, bulk transfers, fire-fighting, oil-spill recovery and safety standby. The vessels’ unique design enables them to support longer and deeper offshore drilling activities.
VOS Passion design
VOS Passion has an overall length of 83.4m, a moulded breadth of 18m and a clear deck area spanning 850m². The vessel’s maximum draft is 6.7m, maximum deadweight capacity is 4,200t and gross tonnage is 3,650gwt.
The ship design is based on the PX121 design developed by Norway-based Ulstein Group. All of the remaining five vessels ordered by Vroon are also based on the same design.
The PX121 design features Ulstein’s patented X-BOW concept, which enables smoother vessel navigation in harsh conditions.
Vessels with conventional bow designs rise on waves and drop violently onto the water, making navigation in adverse environments difficult. The X-BOW design, on the other hand, enables smoother navigation by minimising wave slamming and bow impact.
The X-BOW concept features a slender hull and a tapered fore, which provides more displacement volume. The vessel pierces smaller waves, and is therefore less affected by the vertical motions of the water.
It also uses less fuel to navigate through the waves, saving energy. In addition, the design reduces noise and vibration, improving crew comfort and safety levels.
Navigation and communication of the platform supply vessel
The ship’s navigation equipment includes an X-band radar, an S-band radar, two McMurdo S4 radio transponder units, a JRC eco sounder, a Navi-Sailor multi-function display, and a Yokogawa gyro compass.
The vessel is fitted with communication applications, including a JRC medium / high-frequency radio, a JRC portable VHF radio, McMurdo E5 Satellite EPIRB, two Inmarsat-C systems and two McMurdo S4 SART systems.
Deck machinery and fire-fighting equipment
Deck machinery aboard the VOS Passion includes two 10t tuggers, two 10t capstans and one 3t crane with a safe working load of 18m.
The ship is equipped with ABS FiFi class-I fire-fighting systems with a monitor capacity of 1,200m³/h and a throw of more than 120m.
VOS Passion propulsion system
The ship is fitted with four diesel generator engines, including two 1,639kW engines and two 990kW engines, as well as a 130ekW emergency generator.
The vessel is propelled by two diesel-electric Azimuth thrusters with a capacity of 3,800kW. It also features two 1,600kW Schottel stern thrusters and two bow thrusters.
The maximum speed of the vessel is 15kt.
Tank capacities and cargo handling systems
The ship is capable of storing 1,035m³ of fresh water, 1,674m³ of drill water, 1,464m³ of fuel, 1,293m³ of liquid mud, 150m³ of methanol, 260m³ of dry bulk and 127m³ of base oil. The ship is also fitted with heeling tanks with a capacity of 391.4m³.
Accommodation and life-saving facilities onboard VOS Passion
VOS Passion can accommodate 26 crew members in 14 single and six double cabins featuring hotel-type comfort beds. It is fitted with two anti-rolling tanks to increase crew comfort.
The ship is equipped with two 20-man life rafts and one six-man raft on each side. A man overboard boat (MOB) capable of accommodating six persons is also available.
Contractors
Ulstein was contracted by COSCO Guangdong Shipyard to supply power and control systems and to provide on-site services for the Vroon vessels.
