Assessment approaches to logistics for offshore wind energy installation

Vis, Iris F. A.; Ursavas, Evrim

doi:10.1016/j.seta.2016.02.001

Cited by 32 publications

(16 citation statements)

References 18 publications

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“…Seppänen and Aalto (2005) argued for the importance of production rates and early detection of devations which could not be captured by CPM due to buffering. Goldratt (1997) critized CPM for its usage of activity buffers, only Vis and Ursavas (2016) touches upon actively protection of the activites through buffering. Our focus was not on the activity buffering, but it could be argued that it was handled as these buffers were removed through basing the conversion on resource hours per task not the scheduled durations.…”

Section: Discussionmentioning

confidence: 99%

“…The external validity was increased through setting up planning workshops with the project organization, including the project planner and technical experts. It was required to have multiple participants with each their perspectives on the planning and schedule as the projects are divided in three distinct phases; pre-assembly, installation, and commissioning Vis and Ursavas 2016). The literature review was conducted by searching the databases; Scopus, Google Scholar, and IGLC conference proceedings.…”

Section: Methodsmentioning

confidence: 99%

“…work here, this case did not require this level of detail. Figure 1 illustrates the location breakdown structure differentiating between onshore preassembly (Vis and Ursavas 2016) and the offshore locations with final assembly (Barlow et al 2015).…”

Section: Lowest Level Logically Consists Of Main Components As One Tementioning

confidence: 99%

“…Offshore wind turbine construction divides their projects into distinct phases, namely production, pre-assembly, installation, commissioning (Barlow et al 2015;Vis and Ursavas 2016). After the construction project the wind farm is handed over to operations (Petersen et al 2016).…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Why Would Location-Based Scheduling Be Applicable for Offshore Wind Turbine Construction?

Lerche¹,

Seppänen²,

Pedersen³

et al. 2019

Proc. 27th Annual Conference of the International Group for Lean Construction (IGLC)

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The focus in this research was the conversion of a traditional activity-based construction schedule to a location-based schedule. The case investigated was an offshore wind turbine project in the British sector of the North Sea. This exploratory case study used a deductive approach studying the literature. The initial step was a review of the location-based scheduling literature. The applicability of the theory could be tested through understanding the patterns from existing location-based scheduling literature. These patterns were the adapted from the construction context to the offshore wind construction context. With the knowledge of how and why from a theoretical perspective, the authors analyzed the existing construction schedule which was based on the critical path methodology. The results from this analysis provided knowledge about how location-based scheduling is applicable from an industrial perspective. This research contributes knowledge by testing the theory of location-based scheduling in the context of offshore wind turbine construction industry.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Lowest Level Logically Consists Of Main Components As One Tementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Why Would Location-Based Scheduling Be Applicable for Offshore Wind Turbine Construction?

Lerche¹,

Seppänen²,

Pedersen³

et al. 2019

Proc. 27th Annual Conference of the International Group for Lean Construction (IGLC)

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“…According to Vis and Ursavas [12] and Quandt et al [13], the installation process comprises three main stages: First, the construction of foundations and the connection to the energy grid. Second, the installation of top structures.…”

Section: Installation Process For Offshore Wind Farmsmentioning

confidence: 99%

Evaluation of Loading Bay Restrictions for the Installation of Offshore Wind Farms Using a Combination of Mixed-Integer Linear Programming and Model Predictive Control

et al. 2019

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Featured Application: This article demonstrates a combination of Mixed-Integer LinearProgramming with methods usually applied for short-term control, namely the Model Predictive Control scheme, to achieve decision support for the scheduling of installation activities for offshore wind farms. The general approach applies to several areas of application, where time-dependent uncertainties complicate mid-to long-term planning.Abstract: The installation of offshore wind farms poses particular challenges due to expensive resources and quickly changing weather conditions. Model-based decision-support systems are required to achieve an efficient installation. In the literature, there exist several models for scheduling offshore operations, which focus on vessels but neglect the influence of resource restrictions at the base port and uncertainties involved with weather predictions. This article proposes a Mixed-Integer Linear Programming model for the scheduling of installation activities, which handles several installation vessels as well as restrictions about available cargo bridges at the port. Additionally, the article explains how this model can be combined with a Model Predictive Control scheme to provide decision support for the scheduling of offshore installation operations. The article presents numerical studies of the effects induced by resource restrictions and of different parametrizations for this approach. Results show that even small planning windows, paired with comparably low computational times, achieve reasonably good results. Moreover, the results show that an increase in vessels comes at diminishing returns concerning the installation efficiency. Therefore, the results indicate that available good-weather windows primarily limit efficiency.

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Off Shore Wind Power: A Promising and Scalable Future Electricity Source

Bothun

2020

Springer Proceedings in Energy

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Assessment approaches to logistics for offshore wind energy installation

Cited by 32 publications

References 18 publications

Why Would Location-Based Scheduling Be Applicable for Offshore Wind Turbine Construction?

Why Would Location-Based Scheduling Be Applicable for Offshore Wind Turbine Construction?

Evaluation of Loading Bay Restrictions for the Installation of Offshore Wind Farms Using a Combination of Mixed-Integer Linear Programming and Model Predictive Control

Off Shore Wind Power: A Promising and Scalable Future Electricity Source

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