Feature 4
involves one driver and one banksman, of the vessel can be supported through the ensures maximum accuracy by avoiding
rather than two crane drivers control system. eventual side loading of the load, resulting
• A third option for tandem lifts is the The total moment of all cranes can from the long distances between the operator
automatic rotation mode, with the traverse be calculated in relation to the vessel’s and the load or asymmetric centre of gravity.
being able to rotate. The crane driver only longitudinal axis, depending on the load and The benefit is that load swinging is avoided
has to control the direction and/or rotation working radius of each crane, and displayed right from the start, thus reducing the risk of
of the traverse while the control system on the bridge. damage on both the load and the crane, as
automatically calculates the required Another innovative feature for these cranes well as the maximised safety of the operator
movement of the boom heads of both is the vertical line finder, which is provided and the environment.
cranes. Speeds are again derived from as an optional control assistance to avoid The first ship cranes to include Liebherr’s
calculated boom head speed. The traverse side loading of the crane. This new device latest anti-collision system and automated
remains horizontal controls the crane jib position by indicating tandem operation are the CBB series of
the exact vertical rope position before the electro-hydraulic heavylift rope luffing
Furthermore, the anti-heeling system load is lifted off. According to Liebherr, this cranes. NA
Offshore on the up for TTS
Diversified cranes and cargo handling supplier TTS Marine has established
a separate organisation focusing on large anchor handling and towing
winches.
N
ew TTS subsidiary TTS Offshore heave compensation offshore cranes to the
Handling Equipment (TTS-OHE), Norwegian stock exchange, for unspecified
based in Ålesund, is served by a customers. NA
satellite office at Os, outside Bergen, and is
marketing products to clients worldwide.
The group said the main offshore office ODIM in
in Ålesund would develop and produce all
control systems for these winches and the acquisitive
office at Os would handle the mechanical
and hydraulic construction. The organisation mood
would add new employees over the coming Automated tandem lifting – a new
months. innovation from Liebherr designed to Norwegian winch and lifting
TTS-OHE is involved in the winch market, accommodate ever rising load weights. equipment specialist ODIM has
through its offering of advanced active heave acquired Aukra-based ABAS
compensated subsea winches, operating at Crane and Aker Brattvaag Winch,
depths down to 3000m. what it termed growing acceptance from of Søvik. The acquisitions extend
‘We have already been contacted by several both shipyards and shipowners, where low ODIM’s portfolio in specialised
customers and have already started up pressure hydraulic winches have found favour electrical winches for ships and
construction and developing of a long range historically. offshore installations. ABAS Crane
of anchor handling winches,’ said TTS-OHE Separately, TTS Marine Cranes also supplies cranes for merchant
sales manager Sverre Mowinckel-Nilsen. reports strong activity in the offshore sector. ships, offshore vessels, and fishing
‘Through TTS we can offer our clients a In December 2007, the company secured a vessels.
strong organisation which can secure both Nkr49million order through Greek owner Among ABAS Crane’s most
the delivery of advanced anchor handling/ Toisa, calling for delivery of two offshore recent contracts is its largest ever,
towing winches together with a worldwide cranes before the end of 2010. Two vessels covering the delivery of three
service organisation which secures our clients under construction in China will be fitted advanced cranes for the FPSO
at operational time of the equipment.’ with one active heave compensation crane Aker Smart 1. The deal marks a
TTS-OHE is offering winches in the apiece, with delivery to be made out to TTS step change for the company,
range of up to 600tonnes lift capacity. The Shanghai. extending its reach from standard
company will deliver the winches with high Then, in January 2008, the same company deck cranes to large offshore
pressure (HP) hydraulic drift, in line with announced an order for three more active cranes.
The Naval Architect February 2008 99
NA Feb 08 - p97+
99.indd 99 05/02/2008 09:55:31
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