Domain-specific risk assessment using integrated simulation: a case study of an onshore wind project

Mohamed, Emad; Seresht, Nima Gerami; Hague, Stephen; Chehouri, Adam; AbouRizk, Simaan M.

doi:10.1139/cjce-2021-0099

Cited by 3 publications

(2 citation statements)

References 54 publications

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“…The critical path method (CPM) has been used as a valuable tool to assess time-related risks (Olivieri et al, 2019;Kusumadarma et al, 2020;Ramani et al, 2022). Several authors also use CPM in risk management (Nguyen et al, 2018;Mohamed et al, 2022). The method mentioned above was also used by Song et al, who used the critical path as an entry point for managing and coordinating individual project activities (2021).…”

Section: Methodsmentioning

confidence: 99%

Risk management in a human resources information system

Koman,

Toman,

Jankal

et al. 2023

JESI

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Employee recruitment is among the most critical processes performed in businesses. Nowadays, it is more and more frequently implemented online. Companies switch to e-recruitment, utilising information and communication technologies (ICT). This article aims to identify the risks emerging while implementing such a solution and set the risk management steps to sustain the business's long-term operation. The analysis is based on secondary as well as primary data. Multiple methods were applied: observation, questionnaire survey, semi-structured interviews, case study analysis, comparison, and synthesis. The authors' original case study was created to reduce employee turnover via a new approach to the recruitment process. Research questions and hypotheses focus on examining the relationship between the length of the employee's employment and how they were approached in the recruitment process. The main findings include identifying key potential risks jeopardising the implementation of e-recruitment. The analysis concluded that no employee recruitment step in the selected business is performed online. The practical result of this research included the creation of the business's career website. This can inform the potential applicants about the business's activities. It was created to support individual activities of the employee recruitment process. Finally, recommendations were designed for the managers of other companies. They can use these in implementing ICT solutions for the recruitment process to support long-term sustainability.

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Section: Methodsmentioning

confidence: 99%

Risk management in a human resources information system

Koman,

Toman,

Jankal

et al. 2023

JESI

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“…Indeed, the schedule delay of an average wind farm project was estimated to be approximately 10% of the planned project duration [5]. Delays in wind farm construction are particularly problematic [6], as most contracts between the owner and the engineering, procurement, and construction (EPC) contractor(s) include a provision for liquidated damages if a project exceeds the contractually-specified end date [7]. Completing wind farm construction tasks on time is essential for ensuring profitability [6].…”

Section: Introductionmentioning

confidence: 99%

Simulation-Based Approach for Lookahead Scheduling of Onshore Wind Projects Subject to Weather Risk

Mohamed

Jafari

Chehouri³

et al. 2021

Sustainability

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Executed outdoors in high-wind areas, adverse weather conditions represent a significant risk to onshore wind farm construction activities. While methods for considering historical weather data during pre-construction scheduling are available, approaches capable of quantitatively assessing how short-term weather fluctuations may impact upcoming construction activities have yet to be developed. This study is proposing a hybrid simulation-based approach that uses short-term precipitation, wind speed, and temperature forecasts together with planned and as-built activity durations to develop lookahead (e.g., upcoming 14-day) schedules for improved project planning and control. Functionality and applicability of the method was demonstrated on a case study of a 40 MW onshore wind project, and the method was validated using event validity, face validation, and sensitivity analysis. As expected, favorable weather conditions experienced during the tested lookahead periods resulted in a negligible impact (less than 10% reduction) on the productivity of weather-sensitive activities, which translated into a project delay of one day. The responsiveness of the framework was confirmed through sensitivity analysis, which demonstrated a 50% reduction in productivity resulting from poor weather conditions. The ability of the method to provide decision-support not currently offered by commercially-available scheduling systems was confirmed by subject experts, who endorsed the ability of the method to enhance lookahead scheduling and to facilitate the monitoring and control of weather impact uncertainty on project durations.

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Simulating and optimizing precast wall lifting in prefabricated building construction

Yuan

Chang

Chen

et al. 2022

ECAM

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PurposePrecast wall lifting during prefabricated building construction faces multiple non-lean problems, such as inaccurate lifting-time estimation, unreasonable resource allocation and improper process design. This study aims to identify the pathways for improving lifting performance to advance lean construction of prefabricated buildings.Design/methodology/approachThis study developed a methodological framework that integrates the discrete event simulation method, the elimination, combination, rearrangement and simplification (ECRS) technique and intelligent optimization tool. Two schemes of precast wall lifting, namely, the enterprise's business as usual (BAU) and enterprise-leading (EL) schemes, were set to benchmark lifting performance. Furthermore, a best-practice (BP) scheme was modeled from the perspective of lifting activity ECRS and resource allocation for performance optimization.FindingsA real project was selected to test the effect of the methodological framework. The results showed that compared with the EL scheme, the BP scheme reduced the total lifting time (TLT) by 6.3% and mitigated the TLT uncertainty (the gap between the maximum and minimum time values) by 20.6%. Under the BP scheme, increasing the resource inputs produces an insignificant effect in reducing TLT, i.e. increasing the number of component operators in the caulking subprocess from one to two only shortened the TLT by 3.6%, and no further time reduction was achieved as more component operators were added.Originality/valueTo solve non-lean problems associated with prefabricated building construction, this study provides a methodological framework that can separate a typical precast wall lifting process into fine-level activities. Besides, it also identifies the pathways (including the learning effect mitigation, labor and machinery resource adjustment and activities’ improvement) to reducing TLT and its uncertainty.

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Domain-specific risk assessment using integrated simulation: a case study of an onshore wind project

Cited by 3 publications

References 54 publications

Risk management in a human resources information system

Risk management in a human resources information system

Simulation-Based Approach for Lookahead Scheduling of Onshore Wind Projects Subject to Weather Risk

Simulating and optimizing precast wall lifting in prefabricated building construction

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