Numéro : 2108 - Year : 1990
Safety integrated redesign of Dutch beam-trawlers
Fa Veenstre Msc, Ilcad or The technical Research department
of The Netherlands Institute for fishery Investigations RIVO. IJmuiden. The Netherlands
J Stoop Msc, Safety Science Group or the Deft.
University oF technology delf the Netherlands
Unlike merchant marine vessels, safety regulations for fishing vessels have been mainly left to the discretion of each national administration. Learnt from bitter experiences the global safety aspects (stability, constructions, equipment) have been improved in the last decades for the Dutch beamtrawlers, however the personal safety aspects (linked to the working conditions) are still a matter of free and competitive interest for the shipyard/designer and
skipper-owner.
The traditional beamer layout --single deck hull, extended forecastle and the accommodation with wheelhouse aft-- gives some major unsafe drawbacks:
-very poor vision lines;
-high noise levels;
-high occupational accidents.
Only by integration of an initial theoretical safety problem solving method, as developed
by the Safety Science Group of the Delft University of Technology, and the practical
RIVO beamtrawler design knowledge, the drawbacks can be solved with acceptable residual (occupational) risks.
As an example of safety integrated redesigning of fishing vessels a case study to improve the working conditions and to prevent occupation al accidents on the beamtrawler deck is given and a redesign is shown with mentioning of good solutions, residual risks and cost effects involved.
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