TUG DESIGN rely on a third party engineering firm to take functional drawings and turn them into a valid model and deliver the shipyard complete work packs. The drawbacks to this method are obvious; the shipyard lacked oversight and the ability to modify the design. The ability to have multiple people working within the model compressed the overall design cycle to meet the schedule of the shipyard. This benefit was easily extended to pick up short-term spikes in
workload, Bay Shipbuilding contracted with other design firms overseas. FORAN and Citrix gave the shipyard the ability to give someone controlled access to the database; by sending them the correct credentials and a well-defined scope of work FBS was able to keep up with the demand of the production schedule without incurring unnecessary expenses such as travel, lodging, or per diem as was the case when contract workers had to be on site to support these tasks.
Big Cost Savings for Shipyard Moving to FORAN and incorporating the benefit of Citrix has been a big cost savings for the shipyard, as well as a big step for the technological improvement at Fincantieri Bay Shipbuilding. In the future, say the authors, it is not unrealistic to expect to eliminate the need for any 2D artifacts. Through industry panels and professional organizations, the conversation has already begun to have regulatory agencies review and approve 3D models. Other shipyards, through research grants, have begun experimenting with a 3D work pack that eliminates the paper, but also bundles ancillary information on a tablet. This is one of the next logical steps for those that embrace the benefits of FORAN and other similar CAD/CAM systems.
A Significant Evolution
BOOTH 627
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28 Marine Log // November 2017
The authors say that the implementation of the FORAN system at the shipyard was a significant step in the evolution of ship design and construction in the U.S. For a couple of decades, most U.S. shipyards have had functional designs developed in a 2D approach. Later on, for the detail design, a 3D model of structure was done with a minimum definition of machinery and outfitting. This implied different sets of information that required manual intervention for purchasing and planning documents. FORAN allowed most all of the design stages to be developed or added to the 3D model providing in a single database with all the design and production information fully accessible by the shipyard. This strategy of work increased the efficiency while reduced the costs, from contract to production. Some of the most remarkable advantages are: Improvements in the design quality; Quick evaluation of design alternatives; Automation of repetitive tasks; Early estimation of materials, weights, welding and painting; Virtual Reality early review; Finally, it also facilitates the definition of the early outfitting (general layout and layout of critical compartments) and improves the coordination between disciplines.