Abstract
Ship repair has gained prominence as a service offered at the shipyards following a crisis in the shipbuilding industry, which has seen a fall in demand for new constructions, causing many companies in the sector to stall, especially shipyards. For a repair yard to be economically viable, in times of crisis, cost reduction is essential to make a sustainable business, so this comparative study aims to check the technical and economic feasibility of this change in the type of dry-docking. The present work deals with a comparative study between the use of the longitudinal slipway and the airbags for dry-docking and repair of river barges. The study sought to identify data from the vessels used for this project, to verify the average displacement of these vessels to analyze the airbags' carrying capacity, as well as the size of the winch to perform the dry-docking service. Since most repair yards use leased areas, the flexibility achieved with the use of airbags, as well as the reduced need for investments in the area, are benefits provided by using them. This work presented satisfactory results for the use of river barge docking airbags as a competitive alternative in repair services.
Highlights
Ship repair is an industrial practice that consists of replacing or configuring items that are malfunctioning or corroding
By analyzing the presented aspects and considering the relevance of the repair of vessels in the scenario of the Amazonian naval industry, because of the retraction in the shipbuilding market, we tried to verify how the naval repair with the use of airbags can be shown as an economical alternative to dry-docking
The objective of the study was to analyze the possibility, from a technical and economic comparison, of replacing the current dry-docking model for river barges most used in the Amazon region by airbag drydocking
Summary
Ship repair is an industrial practice that consists of replacing or configuring items that are malfunctioning or corroding. The importance of ship repair services is directly linked to the shipbuilding itself, because every vessel, after a certain period needs to be reviewed in all its systems, especially to ensure the operational safety of vessels. It is important to note that ship repair was highlighted as a service offered at the shipyards after a crisis in the shipbuilding industry, which suffered a fall in demand for new constructions, which led to the stagnation of many companies in the sector, especially the shipyards. In the area of shipbuilding and repair, global competition compels managers to adapt strategies and positions around markets to maintain continuous operations. According to Pintelon and Parodi-Herz (2008), repairs are an important contributor to the intended lifespan of technical capital assets, and repairs are defined as any activity aimed at maintaining a system or restoring it to a condition deemed necessary for acceptable operation. It is ideal that these barges are dry-docked for inspections at least twice within 5 years
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