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 Reporter March 2015 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Shipbuilding

3D Machining Puts Wind in the Sails

With ESPRIT CAM software, Armor Mécanique has the wind in its sails; 50% time savings, better quality and new markets thanks to 3D machining Established in 1984

Two ASD Tugs Delivered to URAG

URAG has taken delivery of two ASD 2411 Tugs to add to its existing fleet. Named Brake and Perfect, the new vessels have joined their sister ship Prompt in the

HHI’s 2014 Results Fall Short

The world’s biggest shipbuilder, Hyundai Heavy Industries (HHI), held its 41st Annual General Meeting of Shareholders in Ulsan, South Korea.   The meeting agenda

Workboats

Two ASD Tugs Delivered to URAG

URAG has taken delivery of two ASD 2411 Tugs to add to its existing fleet. Named Brake and Perfect, the new vessels have joined their sister ship Prompt in the

Plans in Place to Test Intermodal River Transport

The Paducah-McCracken County Riverport Authority and Ingram Barge Company has announced plans to assess the viability of Intermodal River Transportation, utilizing

Boat of the Month: Moore Shallow Shuttle 23

Moore Boat LLC recently delivered the first of three all new aluminum Moore Shallow Shuttle 23 RIB’s to Seacrets, Jamaica USA after the vessel’s successful completion of various sea trials and the U.

Ports

Plans in Place to Test Intermodal River Transport

The Paducah-McCracken County Riverport Authority and Ingram Barge Company has announced plans to assess the viability of Intermodal River Transportation, utilizing

Asia-Europe Box Rates Fall Almost 6 pct

Shipping freight rates for transporting containers from ports in Asia to Northern Europe fell 5.5 percent to $586 per 20-foot container (TEU) in the week ended on Friday,

Cosco Bulk Shipping Losses Down in 2014

China Cosco said losses in its main dry bulk shipping business fell sharply in 2014 and its container shipping gross profit grew amid a still subdued global shipping market.

Vessels

Two ASD Tugs Delivered to URAG

URAG has taken delivery of two ASD 2411 Tugs to add to its existing fleet. Named Brake and Perfect, the new vessels have joined their sister ship Prompt in the

Hamburg Süd Christens Third San Class Ship

Hamburg Süd christened its third container vessel in the new San class yesterday, officially naming newbuild San Vicente at the Cuenca del Plata terminal in Montevideo.

Rolls-Royce Propulsion for Polar Research Vessel

Rolls-Royce informs it has been awarded a contract by shipbuilder Fincantieri to supply a fully integrated propulsion system for Norway’s new Polar Research Vessel,

 
 
Maritime Security Maritime Standards Naval Architecture Navigation Pipelines Pod Propulsion Port Authority Salvage Shipbuilding / Vessel Construction Sonar
rss | archive | history | articles | privacy | terms and conditions | 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: 0.1568 sec (6 req/sec)