The conceptual design of a graving dock
Using Life Cycle Analysis to reduce the carbon footprint of a graving dock for Damen Harlingen
J.N. Idsinga (TU Delft - Civil Engineering & Geosciences)
H.M. Jonkers – Mentor (TU Delft - Materials and Environment)
C Mai Van – Graduation committee member (TU Delft - Hydraulic Structures and Flood Risk)
R.E.P. de Nijs – Graduation committee member
Jan Jacob Altenburg – Graduation committee member
Frank Seinen – Graduation committee member
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Abstract
An extensive Life Cycle Analysis (LCA) is used to determine the efficiency in reducing the carbon footprint of a graving dock. Firstly by identifying the hotspots in a base design, and then by comparing the various design alternatives. The focus is on reducing the amount of reinforced concrete used in the design of the dock floor by adding fibres to the concrete mixture and on prevention of having to dispose of in-flowing sediment after every docking procedure. Other evaluation methods such as a Cost Benefit Analysis (CBA) that compares the economic viability and a Multi Criteria Analysis that combines the results of the LCA and CBA and assesses the design alternatives on other criteria such as ease of operation and maintenance are used to determine the optimal dock configuration for Damen Shipyard and Conversion B.V. in Harlingen.