Blue Ship Invest receives new build PSV 'Blue Thunder'

By Peter Pospiech at May 23, 2013 11:52
Filed Under: Azimuth pod, Company News, drive systems, Shipyards

Ulstein Verft delivered ‘Blue Thunder’, the fourth of six medium-sized platform supply vessels of the PX121 design from ULSTEIN® mid of March to Blue Ship Invest. Owned by Blue Ship Invest, a wholly-owned company in Ulstein Group, the platform supply vessel (PSV) is commercially and technically under the management of Atlantic Offshore. ‘Blue Thunder’ will enter a 4-month contract with Statoil, with 4 monthly options. “We have received good feedback from the operators on her three sister vessels, and we are very pleased that this ship also enters into a contract for work in the North Sea,” says Gunvor Ulstein, CEO of Ulstein Group and Managing Director of Ulstein Shipping, adding that the remaining two vessels will be delivered later this year and all six vessels are for sale.
In the North Sea, PSVs of the PX121 designs are considered medium-sized. The vessels with this design have an optimal combination of fuel-efficiency and deadweight. They have the capacities and performance close to the segment for larger PSVs, but at a cost that provides excellent value-for-money.
The vessels’ X-BOW® hull line design offers efficiency over a wide draught range, which is important for PSVs as they frequently operate with varying loads. Moreover, the X-BOW has unique, beneficial qualities in terms of motion and propulsion efficiency in heavy seas. Both the hull and choice of propulsion system make the vessels particularly suited for North Sea and North Atlantic conditions.

Ulstein new delivery: The "Blue Thunder"

The hull form, with the ULSTEIN X-BOW®, combined with diesel electric propulsion system, ensures the best performances with regard to fuel consumption, sea keeping, station keeping and speed. The main propulsion system comprises two azimuth pulling thruster, each driven by frequency controlled variable speed electric motor. One retractable azimuth thruster and two side thruster forward are installed, ensuring that the vessel obtains the best station keeping capabilities with ERN [99,99,99,89]. The vessel is equipped, built and certified according to IMO Class II for Dynamic Positioning.
Main technical data:
The diesel electric power and propulsion plant features 690V - 60Hz, and consists of:
• Two main generator engines, each of MCR 2350 kW (2250 ekW / 2500 kVA) at 1800 rpm.
• Two main generator engines, each of MCR 994 kW (940 ekW / 1044 kVA) at 1800 rpm
• Electric propulsion motors, frequency converter controlled, each 0-2200 ekW, 0-1200 rpm
• Two main azimuth pulling propellers, controllable pitch, each 2200 kW, dia. 2800 mm, speed 0-210 rpm
‘Blue Thunder’ has a length of 83.4 metres and a beam of 18 metres, and keeps a maximum speed of approximately 16 knots. She has a load capacity of 4,200 tonnes (dwt), and the 850 square metre cargo deck can carry a deck load of 2,200 tonnes. In addition to tanks for oil, water and drilling fluids, the vessel has four stainless steel tanks for flammable liquids. ‘Blue Thunder’ has modern accommodation for 23 persons, she is equipped with a dynamic positioning system IMO class II and meets the requirements of DNV’s Clean Design notation.
Ulstein Power & Control has delivered the electrical systems on board, including power distribution and electrical propulsion system, the information and communication system ULSTEIN COM®, modular consoles and integrated navigation systems and the integrated automation system ULSTEIN IAS®.
The Blue Thunder received it’s classification from DNV:
DNV 1A1, Offshore Service Vessel Supply, SF, E0, DYNPOS-AUTR, CLEAN DESIGN, COMF-V(3), COMF-C(3), LFL*, NAUT-OSV(A), DK(+), HL(+), ICE-C
She runs under Norwegian flag.

 

image: Ulstein

Comments (1) -

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