GPA Completes 254L AHTS Series Delivery with 54th Hull

press release
Friday, July 06, 2012
GPA 254L AHTS vessels, also known as the Bourbon Liberty 200 series.

Earlier this year, Naval Architecture and Marine Engineering firm Guido Perla & Associates, Inc. (GPA) completed a major milestone with the delivery of the final of 54 GPA 254L AHTS vessels, also known as the Bourbon Liberty 200 series, at Zhejiang Shipyard in China. 

 

In 2006, BOURBON Offshore placed an order with GPA for the Basic Design and Contract/Regulatory Package for 26 of these identical vessels.  In 2007, the order was expanded by an additional 28 vessels.  Designed and tailored specifically to BOURBON’s requirements, this extensive range of new-generation vessels supports the replacement market of technically obsolete offshore vessels worldwide.

 

As one of the global leaders in the design of modern offshore vessels with over 140 vessels in service or under construction for various operators, GPA brought an extensive level of knowledge and experience to this long-term project, setting a high value on technical and economical benefits to both the operator and shipyard.  GPA’s expertise, coupled with BOURBON’s understanding of offshore operations, resulted in a design characterized by optimized cargo capacity, improved fuel consumption, ease of maintenance, redundancy, excellent maneuverability and highest safety and offers a revolutionary shift to the operations in the offshore market. 

 

Efficiency was optimized by outfitting the GPA 254L AHTS series with some of the major equipment also utilized on the GPA 654M PSV (BOURBON Liberty 100 series), various versions of the GPA 670 PSV, as well as the GPA 696 IMR (BOURBON Evolution 800 series), totaling an additional 50 vessels Bourbon had constructed at Sinopacific’s yards Zhejiang and Dayang in recent years.

 

Several years ago, GPA pioneered the concept of locating the engine room on the main deck, fully utilizing the flexibility and benefits of a diesel-electric propulsion system.  The concept has since been implemented on numerous vessels worldwide, including the GPA 254L AHTS series. The concept increases the cargo capacity below deck by about 30% while, at the same time, the diesel-electric system offers a high degree of flexibility in terms of power management, allowing to bring on power in small increments to keep the engines at appropriate loadings, operating at their highest efficiencies.  Thus, fuel consumption and CO2 reject are reduced by 20-30% compared to conventional systems.  

 

An additional benefit of the concept is the notable reduction of noise and vibration levels in the accommodation areas, achieved by adding that extra deck level of attenuation between the accommodations and the bow thrusters and anchor handling equipment, two of the prime contributors to noise onboard these types of vessels.

 

The DP-2 certified system, with two azimuth and one fixed stern thrusters and two bow thrusters, allows for redundancy and increases the safe operating parameters for this modern AHTS.  Even in the event of failure in the control or propulsion system, GPA designed the vessel to be able to safely maintain precise position in close proximity to offshore facilities for anchor handling operations or cargo offloading.  The oval tank design for liquid products, coupled with a faster and automated cleaning system, enables optimized loading and transfer operations.

 

In addition to operational performance benefits, GPA’s design also offers an extremely economical, cost-efficient solution due to certain simplified construction methods.  GPA maintains a successful track record of designs following these proven standards, mainly single-curvature hull forms and other structural arrangements, such as transverse framing and flanged plate framing.  This combination enables shipyards to build more vessels in less time in a cost-efficient manner, which was crucial to the success of the GPA 254L AHTS series with a delivery cycle of approximately three weeks.

 

The GPA 254L AHTS, providing accommodations for 22 crew members, bears the class notation ABS, +DPS-2, SOLAS, FFV1, +AMS, +AH, Towing Vessel and Offshore Support Vessel. While these characteristics provide for an excellent vessel for deepwater offshore operations, BOURBON mainly operates the series in the continental offshore arena, bringing deepwater vessel technologies to shallow water operations.  However, the vessels’ adaptability also allows for operations outside the oil and gas sector.  One of the vessels was recently deployed in the offshore wind market,  installing a semi-submersible wind turbine off the coast of Portugal at Aguçadoura for Portuguese utility provider EDP. GPA sees the growing offshore wind market as an attractive opportunity in the near future, considering the activities of a GPA-designed vessel in that market as a first step in that direction.

 

“To accomplish the project requirements, GPA integrated good design engineering practice with production engineering and shipyard collaboration. We put significant effort into this project and worked closely for several years with the yard, owner and equipment suppliers to achieve our objectives. We take pride in being a part of this well-known series and are pleased to see it completed successfully,” concludes Jeff Horner, General Manager of GPA China. 
 

Maritime Today


The Maritime Industry's original and most viewed E-News Service

Maritime Reporter May 2016 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Shipbuilding

STX Sells Lorient Shipyard

The shipbuilding group STX France has offloaded its Lorient shipyard to a naval consortium.    The shipyard, which has produced civil and naval vessels, will be purchased by Kership,

FIO’s New Research Vessel Enters Build Phase

The 78’ research vessel designed and engineered by Boksa Marine Design (BMD) in 2015 is headed to the building phase beginning in June.   BMD contracted with

HII Secures Aircraft Carrier Planning Contract

Huntington Ingalls Industries (HII) was awarded a $152 million contract for advance planning for the construction of the third aircraft carrier in the Gerald R.

Offshore

Subsea Forestry: Separating The Wood From The Trees…

Over the course of the last 20 years, oil and gas companies have cultivated a vast metallic forest beneath the world’s oceans, consisting now of some 5,800 installed subsea trees,

Primeline Turns Against CNOOC

Primeline Energy Holdings Inc. announces that it has sent a letter to China National Offshore Oil Corporation (CNOOC) and CNOOC China Limited (CCL) (together CNOOC

Olympic Pact with Canyon Offshore

Norwegian offshore shipping company Olympic Shipping has entered into a frame agreement with Canyon Offshore for the joint marketing and subsequent operation of

Energy

Wood Group Bags Statoil MSA

Wood Group has been awarded an evergreen master services agreement (MSA) by Statoil to support the life cycles of its offshore  and onshore facilities. Work and

ABB Saves 700,000 tons Fuel for Marine Vessels

ABB’s environmental friendly Azipod propulsion system brings greater fuel efficiency to diverse shipping segments ABB today announced the total fuel savings

Subsea 7 Awarded $1bn Wind Farm Offshore UK Deal

Subsea 7 S.A. informed today the details of the major(1) contract award that was first announced on 20 May 2016 . The contract was awarded by Beatrice Offshore Windfarm Limited (BOWL)(2),

CAD/CAM

JWA to provide ShipDC with Marine Weather Info

The database service operated by ClassNK’s wholly owned subsidiary Ship Data Center (ShipDC) has been set to receive marine weather information from Japan Weather Association.

IRClass Releases IR-HULL Software

Indian classification society IRClass has released its new technical software, IR-HULL, which evaluates strength and scantling compliance for seagoing steel ships.

Naval Architecture

FIO’s New Research Vessel Enters Build Phase

The 78’ research vessel designed and engineered by Boksa Marine Design (BMD) in 2015 is headed to the building phase beginning in June.   BMD contracted with

Glosten Promotes Lamkin to Senior Marine Consultant

Seattle-based naval architecture and marine engineering consultancy Glosten has promoted Bradley G. Lamkin, PE to Senior Marine Consultant. As a Senior Marine Consultant

HII Secures Aircraft Carrier Planning Contract

Huntington Ingalls Industries (HII) was awarded a $152 million contract for advance planning for the construction of the third aircraft carrier in the Gerald R.

 
 
Maritime Security Maritime Standards Pod Propulsion Port Authority Salvage Ship Electronics Ship Repair Ship Simulators Shipbuilding / Vessel Construction Winch
rss | archive | history | articles | privacy | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.2291 sec (4 req/sec)