Review nr 1. 2003 - TTS Group ASA

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16 TTS Review June 2003 New deck gear takes up the strain offshore As offshore operators move into deep water, they are demanding larger, heavier cranes from manufacturers, more sophisticated cranes and more sophisticated control systems, with active heave compensation often specified. Apart from the demands that deepwater operations place on deck-mounted cranes, operators also have to lift an ever wider variety of equipment and materials. In some cases, operators have chosen to opt not for a single crane for their ships but to keep spare cranes ashore or on other ships, so that they can literally ‘swop’ one crane for another, using a common pedestal. Ostensjo was one such operator that gone down this route. Another solution which TTS Marine has provided for another well known Norwegian operator, Farstad, is a rail-mounted crane that is able to lift from three different positions along the length of the vessel on which it is installed. Apart from Farstad, TTS is quoting to a number of other operators for this kind of crane. One of TTS Marine’s recent projects in the offshore support vessel sector was a seabed and ROV crane, with seabed operation up to 2,000m, for the Grampian Surveyor, built by Astilleros Balenciaga for Northstar Shipping in the UK. TTS Marine says the crane represents a move from a straight jib to a folding jib, which reduces the pendulum effect, and gives more flexibility. The cranes also have an electronic load sensing system, a depth monitoring system, and constant tension feature.The company is also working with the same yard on another crane. (c) 2003 David Foxwell/Riviera Maritime Media Ltd.This article first appeared in Offshore Support Journal, and is reprinted by permission of the editor.
TTS Review June 2003 17 Specialised buoy-handling crane for multi-purpose Middle East Lights Tender A2,600grt multipurpose Lights Tender on order in Holland for operation in the Middle East is to feature a sophisticated buoy-handling crane designed and manufactured by TTS. The vessel has been ordered by Middle East Navigation Aids Service (MENAS) from the Damen Shipyards Group in Holland, with the 82.6m long hull being sub-contracted to Damen’s Galatz Shipyard in Romania, with final outfitting taking place at Schelde Naval Shipbuilding in Vlissingen, Holland. Hull No. 554001 at Damen Shipyards is designed for a wide variety of operations, including buoy-handling and laying, oil pollution recovery and hydrographic survey work and brings a new level of sophistication to these types of operation in the Arabian Gulf, having a dieselelectric propulsion system, as well as a dedicated Dynamic Positioning system. The TTS crane being supplied to this vessel is of the electrohydraulic type, with an SWL of 25 tonnes at 20m, located on the starboard side. The crane, Type GPCO 1250-2520, is specifically designed to handle a wide variety of navigation buoys and features a two hook/winch operation. Each hook/winch can be operated independently or synchronised in buoy-handling operations, and a constant tensioning system is installed to ease the hook-on operation. The crane also features levelluffing, which will be invaluable for buoy positioning work on the aft deck of the vessel. The TTS crane is dimensioned to handle a wide variety of buoy sizes and the owner has an option on the supply of a 20ft container spreader to further enhance the flexibility of crane operations. The UK’s Three Quays Marine Services are Owners Consultants for this project. When delivered in May 2004, the Lights Tender will operate for MENAS in the Arabian Gulf, from Kuwait in the north, all the way down to Oman.The Dutch newbuilding will replace MENAS’ 25 year old, UK-built Lights Tender Relume. MENAS was established in its present form in 1950 to ensure the safe passage of shipping through the Arabian Gulf and its approaches. It installs, operates and maintains more than 500 navigation aids, ranging from light buoys and radar beacons to lighthouses, as well as a Gulfwide DGPS system.
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Page 9 and 10: Super Yacht Pelorus features the wo
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Review nr 1. 2003 - TTS Group ASA

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