Marine Link
Monday, October 24, 2016

Hornbeck Signs with Eastern Shipbuilding for Two OSV's

October 15, 2012

302’x64’x26’ HOSMAX310 Offshore Support Vessel.

302’x64’x26’ HOSMAX310 Offshore Support Vessel.

Eastern Shipbuilding Group, Inc. Signs Two Option HOSMAX310 OSV’s with Hornbeck Offshore Services, Inc.  

Eastern Shipbuilding Group, Inc. has announced that Hornbeck Offshore Services, Inc.  has exercised two of its twenty-four option, 302’x64’x26’ HOSMAX310 Offshore Support Vessels.  Eastern is now under contract to construct ten of these vessels for Hornbeck. The two additional option vessels are being built to the STX SV310 design from STX Marine.  


These vessels have been designated as the HOSMAX series by Hornbeck and are  USCG, ABS, SOLAS, DPS-2, AC Diesel-Electric powered, twin Z-drive propelled OSV’s measuring 302’x64’x26’. These high-tech vessels feature four CAT 3516C 16-cylinder turbo-charged Tier III diesel generator engines that are rated 1825 kW at 1,800 rpm.  Main propulsion power is provided by two GE Energy furnished Hyundai 2500 kW 690VAC motors driving two Schottel SRP 2020 FP Z-Drives with nozzles rated at 2,500 kW at 1,025 rpm each for a total of 6,704 Hp.  Schottel also provides two STT 4 fixed pitch tunnel thrusters rated at 1,180 kW at 1,170 rpm, each with direct coupled Hyundai 690VAC electric motors.  GE Energy provides the complete system integrated diesel electric package, including the propulsion and thruster drives, motors, control systems, DP system, switchboards, motor control centers, automation and navigation/ communication electronics.  The vessel is capable of a maximum speed of 14 knots with a cruising speed of 12 knots.


All ten of the HOSMAX vessels under contract are USCG, SOLAS, ABS Classed A1, Offshore Support Vessel Ocean Service, Loadline, AMS, ACCU, Circle E, , with additional ABS Class notations UWILD, ENVIRO, DPS-2 and FFV-1.


The total below-deck capacities of the HOSMAX310 include 285,645 gals. of diesel fuel, 610,137 gals. of drill/ballast water, 21,509 barrels of liquid mud, 14,347 cu.ft. of dry-bulk mud, 2,212 barrels of methanol and 62,538 gals. of potable water.

STX Marine with offices in Canada and the United States provides the design based on the proven Eastern Shipbuilding “Tiger Shark Class” series.  Five (5) other offshore supply vessels in this series have been delivered to Eastern’s clients; these vessels are already proven themselves in worldwide operations.  The fully integrated bridge is arranged for increased visibility and features the latest technology in navigation, communication equipment. 


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