The effect of increasing the thickness of the ship’s structural members on the Generalised Life Cycle Maintenance Cost (GLCMC)

Iraklis Lazakis; Osman Turan

The effect of increasing the thickness of the ship’s structural members on the Generalised Life Cycle Maintenance Cost (GLCMC)

Iraklis Lazakis, Osman Turan

Naval Architecture, Ocean And Marine Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

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Abstract

In the context of the EU funded IMPROVE project, the research work of a Generalised Life Cycle Maintenance Cost (GLCMC) was initiated in order to investigate the influence of a weight oriented ship structural design on its production and operational characteristics. Following this, an increase in the structural scantlings of the ship was examined following the IACS Common Structural Rules (CSR) for double hull oil tankers. A case study for a Chemical tanker is shown considering an addition in its bottom plate thickness and three different cases of mean annual corrosion rates applied. A comparison regarding the “Gross gains”, “Gross expenses” and “Net gains” for this ship is also presented. Moreover, an evaluation of the extra cost for the additional steel weight used is shown together with the outcome on the repair-free operation of the ship for different additional plate thickness. Finally, a sensitivity analysis is carried out for the most likely case (“Case 2”) and the variation of different amount of days spent in the ship repair yard.

Original language	English
Title of host publication	Proceedings of IMPROVE Final Workshop
Subtitle of host publication	Design of Improved and Competitive Ships using and Integrated Decision Support System for Ship Production and Operation
Editors	Vedran Zanic, Jerolim Andric
Place of Publication	Zagreb
Publisher	University of Zagreb
Number of pages	8
Volume	1
Publication status	Published - 18 Sep 2009
Event	IMPROVE Final Workshop: Design of Improved and Competitive Ships using Integrated Decision Support System for Ship Production and Operation - Dubrovnik, Croatia Duration: 17 Sep 2009 → 19 Sep 2009

Conference

Conference	IMPROVE Final Workshop: Design of Improved and Competitive Ships using Integrated Decision Support System for Ship Production and Operation
Country/Territory	Croatia
City	Dubrovnik
Period	17/09/09 → 19/09/09

Keywords

increasing thickness
ship
structural members
Generalised Life Cycle Maintenance Cost
GLCMC

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Vol_I_Conference_PapersFinal published version, 8.63 MB

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Lazakis, I., & Turan, O. (2009). The effect of increasing the thickness of the ship’s structural members on the Generalised Life Cycle Maintenance Cost (GLCMC). In V. Zanic, & J. Andric (Eds.), Proceedings of IMPROVE Final Workshop: Design of Improved and Competitive Ships using and Integrated Decision Support System for Ship Production and Operation (Vol. 1). University of Zagreb.

Lazakis, Iraklis ; Turan, Osman. / The effect of increasing the thickness of the ship’s structural members on the Generalised Life Cycle Maintenance Cost (GLCMC). Proceedings of IMPROVE Final Workshop: Design of Improved and Competitive Ships using and Integrated Decision Support System for Ship Production and Operation. editor / Vedran Zanic ; Jerolim Andric. Vol. 1 Zagreb : University of Zagreb, 2009.

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abstract = "In the context of the EU funded IMPROVE project, the research work of a Generalised Life Cycle Maintenance Cost (GLCMC) was initiated in order to investigate the influence of a weight oriented ship structural design on its production and operational characteristics. Following this, an increase in the structural scantlings of the ship was examined following the IACS Common Structural Rules (CSR) for double hull oil tankers. A case study for a Chemical tanker is shown considering an addition in its bottom plate thickness and three different cases of mean annual corrosion rates applied. A comparison regarding the “Gross gains”, “Gross expenses” and “Net gains” for this ship is also presented. Moreover, an evaluation of the extra cost for the additional steel weight used is shown together with the outcome on the repair-free operation of the ship for different additional plate thickness. Finally, a sensitivity analysis is carried out for the most likely case (“Case 2”) and the variation of different amount of days spent in the ship repair yard. ",

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Lazakis, I & Turan, O 2009, The effect of increasing the thickness of the ship’s structural members on the Generalised Life Cycle Maintenance Cost (GLCMC). in V Zanic & J Andric (eds), Proceedings of IMPROVE Final Workshop: Design of Improved and Competitive Ships using and Integrated Decision Support System for Ship Production and Operation. vol. 1, University of Zagreb, Zagreb, IMPROVE Final Workshop: Design of Improved and Competitive Ships using Integrated Decision Support System for Ship Production and Operation, Dubrovnik, Croatia, 17/09/09.

The effect of increasing the thickness of the ship’s structural members on the Generalised Life Cycle Maintenance Cost (GLCMC). / Lazakis, Iraklis ; Turan, Osman.

Proceedings of IMPROVE Final Workshop: Design of Improved and Competitive Ships using and Integrated Decision Support System for Ship Production and Operation. ed. / Vedran Zanic; Jerolim Andric. Vol. 1 Zagreb : University of Zagreb, 2009.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

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N2 - In the context of the EU funded IMPROVE project, the research work of a Generalised Life Cycle Maintenance Cost (GLCMC) was initiated in order to investigate the influence of a weight oriented ship structural design on its production and operational characteristics. Following this, an increase in the structural scantlings of the ship was examined following the IACS Common Structural Rules (CSR) for double hull oil tankers. A case study for a Chemical tanker is shown considering an addition in its bottom plate thickness and three different cases of mean annual corrosion rates applied. A comparison regarding the “Gross gains”, “Gross expenses” and “Net gains” for this ship is also presented. Moreover, an evaluation of the extra cost for the additional steel weight used is shown together with the outcome on the repair-free operation of the ship for different additional plate thickness. Finally, a sensitivity analysis is carried out for the most likely case (“Case 2”) and the variation of different amount of days spent in the ship repair yard.

AB - In the context of the EU funded IMPROVE project, the research work of a Generalised Life Cycle Maintenance Cost (GLCMC) was initiated in order to investigate the influence of a weight oriented ship structural design on its production and operational characteristics. Following this, an increase in the structural scantlings of the ship was examined following the IACS Common Structural Rules (CSR) for double hull oil tankers. A case study for a Chemical tanker is shown considering an addition in its bottom plate thickness and three different cases of mean annual corrosion rates applied. A comparison regarding the “Gross gains”, “Gross expenses” and “Net gains” for this ship is also presented. Moreover, an evaluation of the extra cost for the additional steel weight used is shown together with the outcome on the repair-free operation of the ship for different additional plate thickness. Finally, a sensitivity analysis is carried out for the most likely case (“Case 2”) and the variation of different amount of days spent in the ship repair yard.

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Lazakis I , Turan O. The effect of increasing the thickness of the ship’s structural members on the Generalised Life Cycle Maintenance Cost (GLCMC). In Zanic V, Andric J, editors, Proceedings of IMPROVE Final Workshop: Design of Improved and Competitive Ships using and Integrated Decision Support System for Ship Production and Operation. Vol. 1. Zagreb: University of Zagreb. 2009

The effect of increasing the thickness of the ship’s structural members on the Generalised Life Cycle Maintenance Cost (GLCMC)

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