Eastern celebrates another HOSMAX double

HOS Briarwood makes a splash

NOVEMBER 12, 2014 — Eastern Shipbuilding Group, Inc., Panama City, FL, continues its series production of HOSMAX offshore supply vessels for Hornbeck Offshore Services, LLC.

A double event on Friday, October 24 saw the christening and launch of the HOS Briarwood at Eastern’s Allanton shipyard and the same day delivery of the HOS Black Watch.

The HOS Black Watch, the fourth HOSMAX 310, was delivered twenty-five days early, on-budget and was Eastern’s eighth delivery in a ten PSV series.

The HOS Briarwood is set for delivery in early 2015. The final vessel in the HOSMAX 310 series, the HOS Brass Ring is set for September 2015 delivery.

Each 302 ft x 64 ft HOSMAX 310 vessel is a diesel-electric powered, twin Z-drive propelled OSV. These vessels 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 690 VAC 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.

Eastern is also in full production for Hornbeck Offshore of two HOSMAX 310ES Multi-Purpose Supply Vessels (MPSVs) each with accommodations for 73 persons, 250 MT subsea crane, moon pool, helideck and two (2) ROV/LARS units.

Named the HOS Warland and the HOS Woodland, both vessels are on-schedule to be launched in 2015.