Publicações

Garbatov, Y., Ventura, M., Georgiev, P., Damyanliev, T. e Atanasova, I. (2018), “Investment cost estimate accounting for shipbuilding constraints”, Maritime Transportation and Harvesting of Sea Resources, Guedes Soares, C. & Teixeira A.P. (Eds.), Taylor & Francis Group, London, UK, pp. 913-920

The objective of this work is to propose a methodology for a fast estimate of the initial investment cost, CAPEX for the building of multi-purpose ships. A historical experience of building of similar ships is analysed and the estimates of the weight of ship groups: steel, superstructure, outfitting, machinery and equipment are performed. The existing empirical equations, with respect to the weight estimates are calibrated and new relationships of labour hours in ship building are proposed. The uncertainties raised from the price escalation of steel market and labour cost are accounted for and the sensitivities of different parameters involved in the analysis are performed. The cumulative distribution function, S-curve is defined, which may be used to estimate the probability of the overrunning of the point estimate or a specified initial investment cost during the construction process.

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