World Diamond platform supply vessel

World Diamond is the first of six mid-sized platform supply vessels (PSVs) in Damen’s PSV 3300 series. The vessel was delivered to its owner, World Wide Supply, in June 2013.

The vessels in the 3300 series are based on Damen’s E3 principles (environmentally friendly, efficient in operation and economically viable), and feature a slender hull. The owner initially ordered for four vessels in the series, in December 2011. Two more vessels were ordered in February 2012.

The second PSV 3300 vessel, World Peridot, was delivered to World Wide Supply in August 2013. The third and fourth vessels, World Pearl and World Emerald, were delivered in October and November 2013 respectively.

The first four vessels will serve Petrobras in its offshore operations in Brazil. The last two vessels, World Opal and World Sapphire, are expected to operate in the North Sea.

World Diamond was constructed at the Damen’s Galati Shipyard. The other vessels are also being constructed at the same shipyard.

The CAD/CAM modelling works for the 3300 design were earlier carried out at Damen Shipyards Gorinchem in Netherlands and the model testing was carried out at Maritime Research Institute Netherlands (MARIN).

Dimensions and classifications of the platform supply vessel

"The last two vessels, World Opal and World Sapphire, are expected to operate in the North Sea."

World Diamond has a length of 80.03m, a breadth of 16.20m, a draught of 6.15m, and a deadweight capacity of 3,500t.

The cargo deck area of the PSV is 728m² while the deck load capacity is 1,520t. The gross tonnage capacity of the vessel is 3,832t and the net tonnage capacity is 1,150t.

The vessel carries + 100A1 Offshore Supply Ship, SG 2.8 (MUD tanks), Oil Recovery, *IWS, EP (I, O, P), WDL( 5 t/m2 Aft to fr 75) + LMC, UMS, DP(AA), NAV1, IBS, and CAC 3 Descriptive Note: Green Passport class notations by Lloyds Register.

The mid-sized platform supply vessel is capable of accommodating 16 crew members and six passengers. The accommodation facilities are provided with internet, telephone, and satellite TV connections.

Tank capacities and discharge rates of World Diamond

The tanks aboard the PSV are capable of storing 1,694m³ of ballast water, 454m³ of fuel oil, 817m³ of potable water, 869m³ each of base oil and brine, 259m³ of dry bulk, and 1,503m³ of recovery oil.

The pumps aboard the PSV are capable of discharging fuel oil at a rate of 150m³ per hour, fresh water at 150m³ per hour, drill water at 150m³ per hour, brine at 75m³ per hour, and dry bulk at 75m³ per hour.

The vessel also features fire fighting equipment with a capacity to spray 2,400m³ of water per hour, and is equipped with a ballast water treatment system.

Cranes and winches

The deck of the vessel features an electric-hydraulic anchor mooring winch, two capstans with a pulling capacity of 5t each, a deck crane with a lifting capacity of 1.5t at an outreach of 16m, and two tugger winches with a pulling capacity of 10t each.

Navigation and communication equipment

The navigation equipments aboard the Blue Diamond include an ECDIS (electronic chart display and information system), and X-band and S-band radars.

The communication equipments aboard the vessel are based on GMDSS A3 requirements.

World Diamond propulsion and machinery

The vessel’s main engine is a diesel-electric engine with an output of 690V/60HZ. The engine is propelled by two azimuth fixed pitched propellers with an output of 1,500kW each and two bow thrusters with an output of 735kW each.

"The mid-sized platform supply vessel is capable of accommodating 16 crew members and six passengers."

The machinery also comprises two CAT 3512C generator sets with a power output of 1,380kW each, two CAT C32 generator sets with a power output of 947kW each, and an emergency CAT C-09 engine with an output of 238kW.

The other ancillary facilities aboard the PSV include a waste heat recovery system for each generator and exhaust gas cleaning system to cut down carbon dioxide emissions.

The vessel’s propulsion system will enable it to sail at a speed of 13.7kt.

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