Eastern Shipbuilding Launches Latest HOSMAX OSV for Hornbeck

Mike Schuler
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November 18, 2013

HOS Bayou. Image courtesy Eastern Shipbuilding

Eastern Shipbuilding has announced the recent launch of the HOS BAYOU (Hull 205), the fifth of ten Diesel-Electric, twin Z-drive HOSMAX OSV’s being built for Hornbeck Offshore Services at the company’s Allanton, Florida facility.

What differentiates the HOS BAYOU (Hull 205) from the previous four HOSMAX vessels is that HOS BAYOU is the first of six vessels in the 310 series, which are larger than the four previous 300’s by approximately 10 feet.

Upon delivery in early 2014 the HOS BAYOU will be commanded by Captain Steve Powell, whose wife had the honors of christening the vessel.

The HOSMAX vessels each feature four Caterpillar 3516C 16-cylinder turbo-charged Tier III diesel generator engines each rated at 1,825 kW at 1,800 rpm. Main propulsion power is provided by two GE Energy furnished Hyundai 2,500 kW 690VAC electric 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 Power Conversions 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. These vessels are capable of a maximum speed of 14 knots with a cruising speed of 12 knots. The fully integrated bridge is arranged for increased visibility and features the latest technology in navigation, communication equipment.

To date, Eastern Shipbuilding has delivered two HOSMAX vessels, the HOS RED DAWN and the HOS RED ROCK, which are now on charter working in the Gulf of Mexico. Meanwhile, HOS RENAISSANCE is expected to deliver this month and the HOS RIVERBEND is currently at Eastern completing final outfitting, regulatory and DP-2 trials.

Here’s a look at the HOS RED ROCK in action:

In addition to the HOSMAX OSV’s, Eastern is also building two HOSMAX 310ES Multi-Purpose Platform Supply Vessels.

The HOSMAX 310 Offshore Support Vessels feature the following capacities:

  • Total Fuel Oil Capacity: 285,649 USG
  • Fuel Oil Day-tanks 23,752 USG
  • Drill Water/Ballast Capacity: 609,227 USG
  • Potable Water Capacity: 62,538 USG
  • Liquid Mud Capacity: 21,509 bbl. (10) Tanks
  • Dry-bulk Mud: 14,347 Cu. ft. (7) Tanks
  • Methanol Capacity 2,212 bbl. (2) Tanks
  • Clear Deck Area: 11,137 Sq. ft.

All ten of the HOSMAX Offshore Supply Vessels under contract at Eastern are USCG, ABS Classed + A1, Offshore Support Vessel and Ocean Service, Loadline, + AMS, + ACCU, + Circle E, + DPS-2 with additional ABS Class notations UWILD, ENVIRO, FFV-1 and certified under SOLAS/IMO. Additionally, HOS has contracted with Eastern for two (2) HOSMAX 310ES Multi-Purpose Supply Vessels (MPSV’s) with accommodations for 73 persons, a 250MT subsea crane, moon pool, helideck and two (2) ROV/LARS units.

The two HOSMAX 310ES Multi-Purpose Platform Supply Vessels are to be ABS Classed Hull and Machinery, Oceans Service and reviewed for the United States Coast Guard under the Alternate Compliance Program (ACP 2-95) with the following Class Notations, +A1, + AMS, +ACCU, +DPS-2, UWILD, FFV-1, +Circle E, Offshore Support Vessel (HNLS, HDC, HLC), GP, RRDA, HELIDK, ENVIRO, CRC, SPS (Special Purpose Ship), and certified under SOLAS/IMO.

Editor’s note: A facebook post by gCaptain incorrectly pictured the HOS COMMANDER, built by VT Halter Marine, which are different than the HOSMAX being built by Eastern.

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