ASRY Builds Four New Shipyard Tugs

Thursday, December 15, 2011
(Photo: Greg Trauthwein)
While Bahrain’s Arab Shipbuilding & Repair Yard Co (ASRY) is an established power in the ship repair business, it had traditionally not engaged in the business of ship and boat building.
“The very simple answer, really, is that we have found there is more money to be made repairing ships than building them,” said Chris Potter, Chief Executive Officer, ASRY. ASRY is, however, capable, and is building a series of four new tugs for itself on its large slipways, with the lead vessel, as yet unnamed, due for delivery by the end of 2011. The new tugs are of a design developed by Singapore’s SeaTech Solutions International (S) Pte, with a materials package being provided by another Singapore-based company, Pacific Ocean Engineering & Trading Pte Ltd (POET). 
The new tugs are designed to be highly maneuverable and high performance Azimuth Stern Drive (ASD) design, having a length o.a. of 25.8m, beam molded of 9m, depth molded of 5m and draft molded of 4m. Bollard pull is 40 tons with speed, at half load, of 11 knots.
The quartet has been designed specifically for docking and berthing operations within the shipyard, as well as for coastal offshore towing. The compactness of the design allows for operations in restricted areas of the shipyard, as well as docks.  Equipped for fire-fighting operations as well as pollution control duties, the new tugs are also designed for push-pull operations from the bow and for towing operations from the stern hook. 
The layout of ASRY’s new tugs features a compact deckhouse placed well inboard, with spacious aft and fore decks. The wheelhouse provides a 360 degree view, while sky windows are fitted for enhanced ship handling operations during docking and undocking work. The hull of each tug is constructed of a double chine design with inclined transom stern and tapered bow. A double-plate skeg provides for good directional stability. 
The new shipyard tugs have a low air draft, enabling them to provide assistance to highly raked ships when docking and undocking, as well as manoeuvring under mooring lines. The hull is divided into four watertight compartments, while a heavy sheer strake around the hull, coupled with cylindrical fenders at the bow and the stern, provide for enhanced hull protection. Towing bits are located forward and aft, plus a combined hydraulic anchor/towing winch on the foredeck.
Propulsion for ASRY’s four new tugs comes from two Schottel SRP 1010 CP steerable rudder propeller units with CP inward rotating propellers in nozzles driven by two 1,324kW Yanmar 8N21 resiliently-mounted diesel engines, via cardan shafts, flexible couplings and clutch. Auxiliary machinery comprises two 99kW Volvo Penta diesel generators and two 20m3/hr bilge pumps.
For fire-fighting operations all four tugs are equipped with a 1,200m3/hr at 10.5 bar capacity fire-fighting pump, which is driven off the port main engine. The fire monitor can deliver either water of foam.  For pollution control duties each tug is equipped with a dispersant pump with two spray booms. Each tug has accommodation for a crew of eight.
 
 

Maritime Today


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

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

Shipbuilding

Symphony Sun’ Launched in Leer

On Friday the 29th of April, Nb. 420 was launched in Leer. She was christened ‘Symphony Sun’ and is the fourth vessel in a series of 6 that will be delivered to Symphony Shipping.

SCHOTTEL Debuts EcoPeller with High-torque Gears

Propulsion and steering systems manufacturer SCHOTTEL has unveiled its new EcoPeller (SRE), which it said offers improved efficiency and robustness. Playing a

Fincantieri Delivers Carnival Vista

Carnival Vista, the new flagship of the fleet of Carnival Cruise Line, brand of the Carnival Group, was delivered today at Fincantieri’s shipyard in Monfalcone.

Workboats

Mercury Marine Expands Manufacturing Capacity

Mercury Marine is adding a 53,000 square foot manufacturing capacity expansion to its global headquarters in Fond du Lac, Wisc. The expansion will consist of 45,

Englishman: 11th Humber Tug Bears the Name

Humber tugboat operator SMS Towage has drawn on an old name for the latest addition to its fleet. The new Englishman is the 11th Humber tug to bear the title, in

Ulstein Verft's First Wind Service Vessel Launched

Shipbuilder Ulstein Verft has launched its first vessel within the renewable energy segment, and also the first with the newly-developed X-STERN hull line design.

Ports

India's Highest non-coking coal discharge at Gangavaram Port

Gangavaram Port, the deepest and the most modern port in the country, has created yet another historical milestone record by discharging 1,56,339 metric tons of Non-Coking Coal from the vessel M.

Holland America Line Kicks off Seattle's Record Cruise Season

The Port of Seattle begins the 2016 cruise season welcoming the first ship call, Holland America Cruise Line’s Nieuw Amsterdam. Larger vessels and more cruises

Shipping Industry Flying On The Dragon’s Back

As the many Greek players in the shipping industry know well, the legend of Icarus tells us the dangers of flying too high. Merchant vessel earnings eventually

Vessels

Symphony Sun’ Launched in Leer

On Friday the 29th of April, Nb. 420 was launched in Leer. She was christened ‘Symphony Sun’ and is the fourth vessel in a series of 6 that will be delivered to Symphony Shipping.

ACR to Debut Pathfinder PRO SART at OTC

An important addition to any commercial vessel’s survival gear kit, the Pathfinder PRO SART is introduced by ACR Electronics, Inc. at this year’s OTC. The new search

Holland America Line Kicks off Seattle's Record Cruise Season

The Port of Seattle begins the 2016 cruise season welcoming the first ship call, Holland America Cruise Line’s Nieuw Amsterdam. Larger vessels and more cruises

 
 
Maritime Careers / Shipboard Positions Maritime Security Maritime Standards Naval Architecture Navigation Offshore Oil Pod Propulsion Ship Repair Ship Simulators 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: 0.1819 sec (5 req/sec)