Trans RINA, Vol 157, Part C1, Intl J Marine Design, Jan - Dec 2015
Future changes in the PAX regulations of CTVs, such as the German Flag's recent shift from 12 technicians to 24 special persons combined with innovations in crew transfer to turbine technology could result in a paradigm shift in O&M strategy business models. On this basis for the owners to maximise return on the vessel as an asset, the mothership must be a highly adaptable platform that can be readily and cost effectively reconfigured for a range of CTV types and deployment solutions. The track storage systems on the OSV platform, facilitates instant reconfiguration of CTVs, as only the storage frames would need to be changed and new vessels loaded when in port. This provides the flexibility to go from the current configuration to 2 x WFSV with up to 18 x Cabin Ribs. This configurational
flexibility would offer a
significant opportunity for vessel and hence operating cost optimisation within an O&M strategy.
The transfer of crew and equipment to the turbine is a critical part of the process for safety of the personnel and for the transfer of the maintenance equipment. The turbine structure is fixed to the seabed while the transfer vessels are subject to wave motion. Current operations are carried out in 2.5mHs sea conditions however 2.5mHs only describes the height. The main point from the sea condition is how the heave rate of the transfer vessel is affected during the transfer of personnel and equipment, which describes how much the vessel is accelerating. This takes account of the height of the wave and the period. Due to the direction of the waves/sea the boat will display different characteristics of heave rate depending on its location around the turbine mast. There will be a point where the heave rate is at its lowest and if this could be accessed and moored to, it would be the safest point for the transfer to take place. The same principles are a key consideration for the launch/recovery of the WFSV from/to the mothership. The authors will be developing solutions to address this challenge in further work.
The distinctive exterior form gives the vessel a strong presence upon the water and potentially a brand language. In the automotive industry both from the customer’s and society’s viewpoint, styling carries an important statement about a vehicle’s owner’s character. For most customers, the message sent out by their vehicle’s styling is as important as its objective technical features, such as performance, even if this statement is understatement. Exterior styling is responsible for that visceral response of 'love at first sight'. The fact that styling is as important for a vehicle’s marketing success as its technical properties has been known since the 1930s. The recent exterior design developments by leading companies in the commercial vessel sector shows that they are developing an appreciation of the marketing value of exterior form as part of the brand value and perception. [21]
While not discussed in this paper the dialogical process between the interior designers and naval architects as
well as the other specialists within the multidisciplinary team enabled an effective framework for Marine Design to be developed for this specialist type of commercial vessel. A key output of the dialogue was the value of Marine Design to the future of the industry as Offshore Wind OEMs are driving vessel specifications with a strong focus on the challenges of the future work force. This
is a very different business mode from the
conventional vessel design process which has a rigid specification and is cost driven with subcontractors competing on the same basis. This vessel proposal has been
developed through an holistic design process
addressing user need. The starting point was the need to provide 4 CTVs within Dogger Bank as this was a maintenance model proposed by McCartan et al [13]. From this combined with a 2-3 week shift pattern the systems and other crew were determined. From this cost analysis and adaptability of platforms was considered and the OSV was determined to be an opportunity through the use of an innovative launch/recovery system which could be retrofitted to OSV platforms. This retrofitting will be examined in the further work of the authors in terms of structural modification and cost.
The activities of wind farm O&M due to system
complexity have a strong focus on knowledge work. Heerwagen et al [22] suggest that mobility, collaboration and sustainable practices must be considered holistically, as part of a larger workplace strategy, in order to effectively
support individuals
facilitating a clearer understanding of knowledge work used to inform workplaces.
the design and management
and teams. Thus of
People socialize according to instincts that evolved to solve the problems of group living, but we now belong to groups in which people are joined not by proximity but by common purpose, often through electronic media. This new social paradigm is facilitated by social media, which can disseminate information widely and rapidly. Resulting in the following new social behaviours: alone together; virtual
virtual encounters; self; virtual presence.
together; virtual immersion; random virtual
If
managed and integrated into work practices and culture they can make organizations more effective. This is the rationale for the significant level of IT provision in the meeting room. Third places are social places that contribute to a community identity such as restaurants and cafes. They should provide engaging, welcoming environments that are accessible, a space where people can easily socialize. “Fourth places” are third places deliberately designed for work that people can use on a drop-in basis. An example of this in the design is the restaurant
with integrated lounge, provisioned for tablet use.
The first stage is an Environmental Psychology model such as NetWork [22] is to understand the needs and activities of project teams and individual workers and translate that
understanding into which is fully
requirements for
© 2015: The Royal Institution of Naval Architects
C-97
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