By Alan Haig-Brown
A recent delivery from the yard of Eastern Marine Shipbuilding in Sibu, East Malaysia is a further indication of the growing technical sophistication of the Sarawak yards. The 60 by 16-meter Offshore Surveyor is designed by Wartsila Ship Design of Singapore. To do her survey work the Malaysian-registered vessel is fitted with 2.4-meter-square moon pool as well as a deck crane from Marine Equipment of Singapore. The crane has a telescoping boom that can lift up to five tons when extended eight meters. The same supplier also provided the anchor and mooring winch as well as a six-ton capstan.
Main engines are a pair of Cummins QSK60M diesels generation 2200 HP each at 1800 RPM and turning into Hitachi Nico Model MCR1727VC(CPP gears) with 7.5:1 ratios. The controllable pitch propellers are a pair of Berg BCP HDX690. Side thrusters on the dynamic positioning vessel is also CPP and they are supplied by the Japanese firm Kamome. The steering system is by the Singapore firm Palmarine, model PEH5202.
To meet the advanced electrical demands of such a vessel the main shafts are fitted with 700 kW Stamford generators. Additional electrical supply is derived from a pair of Cummins QSK11-DM powered 250 kW gensets. The 80kW emergency genset is powered by a Cummins 6BT engine.
The Offshore Surveyor, with a 1,672 GRT and a 501 NRT, has tankage equal to 441 cubic meters for ballast water, 505 m3 of fresh water, 422 m3 of fuel, 387 m3 of drilling mud and 142 m3 base oil. Accommodation is provided for up to 46 people.