Simplified construction methods, such as single-curvature hulls, transverse framing and flanged plate framing, a combination that is the standard for GPA designs, contribute to decreased construction time and cost. Single-curvature hulls have proven to be extremely efficient during construction and operations. In a variety of applications, but typically for medium to large displacement vessels, a well-designed chined hull form has approximately the same resistance characteristics of an equivalent round bilge hull form.
Safety innovation is playing a key role in minimizing crew exposure to hazards on deck. Work that was previously done manually while on the exposed deck can now be completed using remote-control equipment, operated by the crew from a safe distance. Continuously improving equipment is being integrated into GPA designs to maximize safety.
GPA’s designs address heightened concerns about environmental degradation. Each vessel’s propulsion configuration is optimized in close collaboration with the operator to minimize the environmental impact of operations. Other approaches focus on tank segregation to decrease the risk of oil or other hazardous substances spills, engine emissions, and on obtaining Clean Class notations.
The possibilities in improving fuel economy have grown through the use of diesel-electric propulsion configurations, a standard that has been incorporated into GPA designs of different vessel types for decades. Operators benefit from reduced fuel cost an reduced emissions.
Crew comfort, characterized by noise, vibration, indoor climate and lighting levels, has been acknowledged by GPA as an increasing requisite in attracting and maintaining a satisfied, efficient crew and is of prime importance in modern vessel designs. Developments in stabilizing systems and a high level of outfitting are evolving, while significantly reduced noise and vibration levels from current standards are being achieved by a combination of vessel layout, material selection and structural design.
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