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

Shipbuilding

Alaska, Washington to build Arctic Icebreakers

Senator Lisa Murkowski, Alaska, and Senator Maria Cantwell, Washington, have introduced a bill that would authorize the Navy to build up six icebreakers for use by the U.

Launch of First Future Destroyer, Hobart

Speech delivered by the Minister for Defence, Kevin Andrews during the launch of Hobart - the first future destroyer: Thank you for being here on this very important day.

Fincantieri Invests In Camper & Nicholsons

Fincantieri has signed an agreement for the acquisition of a minority stake via capital injection in Camper & Nicholsons International (Camper & Nicholsons), the

Workboats

MPC Honors Crowley for Tank Vessel Safety

Crowley Maritime Corporation’s petroleum services division has once again been honored by Marathon Petroleum Company (MPC) with its annual Elite Vessel Award, which

Indonesia Sinks Boats from China

According to The China People's Daily, Indonesia has just sank a large Chinese vessel and 40 other foreign ships caught fishing in The South China Sea.    The

Laborde Repowers Much of Stone Oil Fleet

In January 2014, Laborde Products sold its first Mitsubishi engine to John W. Stone Oil for the vessel John W. Stone. Since then, Laborde has supplied the Gretna,

Ports

Viking Orders 2 Liebherr Cranes

An LR 1300 with super lift equipment and an LR 1160 crawler crane will strengthen the fleet of Viking Cranes. The Tallinn-based company with branch offices

KPCT Launches New Gulf Service

Containerized volumes are steadily increasing on the East Coast of India. Keeping pace with the growth, Krishnapatnam Port Co. Ltd. (KPCT) now offers a new service to the Gulf sector.

Mayor Garcetti on Ratification of Port Labor Contract

International Longshore and Warehouse Union members have ratified a five-year contract governing pay and work rules at 29 West Coast ports, including those of Los Angeles and Long Beach.

Vessels

USCG Assists Sinking Vessel East of Nantucket

The Coast Guard is responding to a fishing boat taking on water 130 miles east of Nantucket, Massachusetts, Saturday. At about 12:45 a.m., the fishing vessel

KPCT Launches New Gulf Service

Containerized volumes are steadily increasing on the East Coast of India. Keeping pace with the growth, Krishnapatnam Port Co. Ltd. (KPCT) now offers a new service to the Gulf sector.

Launch of First Future Destroyer, Hobart

Speech delivered by the Minister for Defence, Kevin Andrews during the launch of Hobart - the first future destroyer: Thank you for being here on this very important day.

 
 
Maritime Contracts Maritime Security Maritime Standards Naval Architecture Pipelines Pod Propulsion Port Authority Ship Electronics Ship Repair Shipbuilding / Vessel Construction
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: 0.1343 sec (7 req/sec)