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Analysis of Steel Renewal Locations in Ship Repairing

Lookup NU author(s): Dr Arun DevORCiD


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Structural steel renewal in ship repairing is a routine work throughout the service/operational life of a ship. Prior information about the renewal quantity helps the ship owners to allocate appropriate budget and the shipyard to prepare the proper ship repairing schedule which in turn helps the ship owners to make a financial commitment for cargo. Likewise, the prior information about the location of steel renewal works can help the ship owners to prepare the ship before going to the shipyard and the latter to plan for the required logistics. By doing so, the ship owners will be able to save cost in terms of less idle time in the shipyard, and the latter can also increase the revenue in terms of minimizing mobilization time. Structural steel renewal locations related information for 123 cargo ships of various ages, deadweights and types were collected from a single shipyard. Data of renewal locations of selected structural members were analysed and presented in both tabular and graphical forms to show the behavior of renewal locations with respect to a ship’s dimension appropriate for respective structural members, age and length of a ship. In this article, the authors have attempted to identify and establish the possible root causes those influence the renewal locations and also to investigate and suggest the possible interrelationships between renewal locations, age, length and type.

Publication metadata

Author(s): Dev AK, Saha M

Publication type: Article

Publication status: Published

Journal: Journal of Ship Production and Design

Year: 2021

Volume: 37

Issue: 01

Pages: 1-36

Online publication date: 17/02/2021

Acceptance date: 31/08/2020

ISSN (print): 2158-2866

ISSN (electronic): 2158-2874

Publisher: The Society of Naval Architects and Marine Engineers (SNAME)


DOI: 10.5957/JSPD.01190004

Notes: The article is one of the series of the articles based on a private research on ship repairing which started in 2014. So far, 4 articles have been published in JSPD, one in IJME and one at an international conference MARTECH 2017 in Singapore.


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