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Offshore Support Journal

Offshore Support Journal

News round-up: cranes, A-frames and winches

Fri 06 Jul 2018 by Ed Martin

News round-up: cranes, A-frames and winches
Huisman is providing the main and secondary cranes for Jumbo's Stella Synergy (credit: Jumbo)

Huisman investigates 3D printed crane hooks, wins Jumbo HLVC contract

Huisman is continuing to investigate the potential afforded by 3D printing. In January it load-tested the world's first 3D-printed offshore crane hook and in June the company announced the formation of a consortium to produce a class-certified offshore crane hook with the same technology.

In the January test, a 3D-printed crane hook passed a load test of 80 tonnes and all associated quality-control checks. The new consortium will be working to produce a 3D-printed hook based on a Huisman four-prong design. It will measure approximately 1 m2 in external dimensions and will weigh close to 1,000 kg. The hook will be the world's largest 3D-printed steel object in terms of weight and is targeted to have a safe working load of 325 tonnes.

Huisman uses a 3D printing technique called Wire & Arc Additive Manufacturing (WAAM), employing an electric arc as a heat source and wire as a feedstock. In Huisman's case, WAAM is used to produce medium- to large-sized components with high-grade tensile steel. Equipment produced using WAAM benefits from fast delivery times and a reduction in raw materials.

Other members of the consortium are WAAM specialist Ramlab, Autodesk, DNV GL, Bureau Veritas, ABS and Voestalpine Böhler Welding. As well as producing the crane hook itself, the consortium also aims to advance common rules and guidelines for WAAM in the offshore and maritime context.

Huisman was recognised for its innovation at the Offshore Support Journal Conference & Awards in London in February, winning the award for Innovation of the Year for its fibre rope technology.

On the commercial side, Huisman netted a contract in March with Netherlands-based Jumbo to design and construct two offshore mast cranes for new heavy-lift crane vessel (HLCV) Stella Synergy, which will be delivered in the first quarter of 2020.

The HLCV’s main crane will have a capacity of 2,500 tonnes, a triple hoist to allow for complex upending and an active heave compensation auxiliary block of 600 tonnes, with a depth rating of 3,000 m.

The second crane will have a 400-tonne capacity with an active heave compensated main hoist. This crane, which will be fitted with a man-riding whip hoist, has a 3,000 m depth rating and will be positioned for easy servicing of the vessel’s moonpool.

Jumbo’s managing director, Michael Kahn, said “Our new HLCV, equipped with these cutting-edge cranes, enables Jumbo to further step-up, scale-up and diversify into the global offshore energy market.”

Stella Synergy was designed by Jumbo in cooperation with Ulstein Design and Solutions B.V. and features Ulstein’s distinctive X-Bow hull design, which provides a more consistent transit speed and makes for better workability in severe weather. The HCLV will measure 185 m by 36 m and will be powered by dual-fuel engines, with the ability to run on LNG.

Techano commences modularised subsea crane project

Van Aalst Group-owned Techano has commenced a project with a Dutch pipelay operator to design and build a unique, modularised subsea crane.

In a press release, Norway-based offshore crane specialist Techano said the subsea crane would “be provided with several new game-changing features”.

The project is financially supported by Innovation Norway, the Norwegian Government’s instrument for financially supporting innovation and development of Norwegian enterprises and industry.

Techano has also secured a contract for multiple offshore winches for a major upgrade of a North Sea rig.

Dordrecht-based Van Aalst became a majority stakeholder in Techano in late 2017, having already acquired patented 3D crane technology from another Norwegian company, A-Lifting.

Dana Brevini launches new winch series

Dana Brevini launched its new Evolution Series of winches at the Intermat Construction and Infrastructure Exhibition in Paris in May.

Brevini’s new range of winches will come in 13 sizes

The Evolution Series is designed for stationary industrial applications in the marine and offshore sector. Winches in the series come equipped with Brevini hydraulic motors and a range of controls.

To date, four winches, offering capacities from 8.5 to 16 tonnes, have been launched. The range will have a total of 13 sizes, with smaller winches set for launch in the Q4 of this year and larger versions, capable of supporting lift capacities between 22 and 30 tonnes, set to be made available in 2019.

All four Evolution models launched so far can be equipped with a second safety brake, allowing them to be used as personnel lifting winches.

The new series includes features such as the option for a smooth or grooved drum, a fixed or variable displacement high-speed axial piston motor, a pressure roller, a speed sensor, an electric or hydraulic limit switch and an electric or hydraulic rotary limit switch.

Dana Off-Highway Drive and Motion Technologies president Aziz Aghili said: “Dana’s offering includes a fully integrated system that provides end users with the tools necessary to avoid damage to the winch and the crane, and most importantly, protect personnel on the jobsite.”

Liebherr relaunches compact board offshore crane series

Germany-based crane specialist Liebherr relaunched its compact board offshore (CBO) series of cranes, which are intended for general-purpose applications in the oil and gas industry, at the Offshore Technology Conference in Houston that ran from 30 April to 3 May.

CBO-series cranes have a lifting capacity of up to 100 tonnes, are available with boom lengths between 21 m and 63 m, and have a tail swing radius of less than 4 m.

Constructed using Liebherr’s lattice boom structure, the CBO series have A-frame, rope luffing and a slewing bearing system and are designed so that the cabin position allows for an unobstructed view of the load.

Gulliver travels into service with Scaldis

Gulliver will be put to use in offshore infrastructure installation, decommissioning and deconstruction for the offshore oil and gas industry

Dutch shipbuilder Royal IHC delivered self-propelled crane vessel Gulliver to Scaldis in April.

Gulliver has a maximum tandem lift of 4,000 tonnes, with both starboard and port cranes fitted with two 1,000 tonne main hoists and two 15 tonne auxiliary hoists each. The cranes have a maximum lift height of 78.5 m above the vessel’s deck and are equipped with a skidding system to maximise available deck space.

Fitted with four azimuth thrusters, Gulliver has a transit speed of seven knots. It has a dynamic positioning class of DP2, is fitted with a helicopter deck and is capable of accommodating 78 people.

Royal IHC managed the complete scope of work from design, procurement and ship construction in China to commissioning in the Netherlands.

Scaldis is an offshore contractor specialised in marine heavy lifting work and sees uses for Gulliver in offshore infrastructure installation, decommissioning and deconstruction for the offshore oil and gas industry, and installation of offshore wind farms. Gulliver joins the non-self-propelled crane pontoon Rambiz to become the second vessel in Scaldis’ fleet.


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