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Optimisation of the estimating and tendering process in warship refit - a case study

Fleming, D.A. and Forbes, G.A. and Hayfron, L.E. and Duffy, A.H.B. and Ball, P.D. (2003) Optimisation of the estimating and tendering process in warship refit - a case study. In: Proceedings of 18th International Conference on Computer Aided Production Engineering (CAPE'03). Elsevier, Edinburgh, United Kingdom. ISBN 003-039-2003

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The optimisation of a tendering process for warship refit contracts is presented. The tendering process, also known as the pre-contract award process (PCA), involves all the activities needed to be successfully awarded a refit contract. Process activities and information flows have been modelled using Integrated Definition Language IDEF0 and a Dependency Structure Matrix (DSM) with optimisation performed via a Genetic Algorithm (DSM-GA) search technique. By utilising this approach the process activities were re-sequenced in such an order that the number and size of rework cycles were reduced. The result being a 57% reduction in a criterion indicating 're-work' cycles.