A back-end view to climatic adaptation

Amadi, Alolote

doi:10.1108/ijbpa-11-2019-0101

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…Those studies collected for colder regions include Sweden [23], Finland [24], Denmark [25], Norway [24], Canada [26,27], Nepal [19], Russia [28], and offshore construction [29,30]. The studies of the African continent were conducted in Nigeria [31][32][33], Libya [34], Egypt [35,36], Zambia [37], or across several countries [8,38]. There are no regional, standardized modeling techniques for incorporating weather delays in construction.…”

Section: Classification Of Literaturementioning

confidence: 99%

Weather-Related Construction Delays in a Changing Climate: A Systematic State-of-the-Art Review

et al. 2021

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Adverse weather delays forty-five percent of construction projects worldwide, costing project owners and contractors billions of dollars in additional expenses and lost revenue each year. Additionally, changes in climate are expected to increase the frequency and intensity of weather conditions that cause these construction delays. Researchers have investigated the effect of weather on several aspects of construction. Still, no previous study comprehensively (1) identifies and quantifies the risks weather imposes on construction projects, (2) categorizes modeling and simulation approaches developed, and (3) summarizes mitigation strategies and adaptation techniques to provide best management practices for the construction industry. This paper accomplishes these goals through a systematic state-of-the-art review of 3207 articles published between 1972 and October 2020. This review identified extreme temperatures, precipitation, and high winds as the most impactful weather conditions on construction. Despite the prevalence of climate-focused delay studies, existing research fails to account for future climate in the modeling and identification of delay mitigation strategies. Accordingly, planners and project managers can use this research to identify weather-vulnerable activities, account for changing climate in projects, and build administrative or organizational capacity to assist in mitigating weather delays in construction. The cumulative contribution of this review will enable sustainable construction scheduling that is robust to a changing climate.

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Section: Classification Of Literaturementioning

confidence: 99%

Weather-Related Construction Delays in a Changing Climate: A Systematic State-of-the-Art Review

et al. 2021

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“…Furthermore, the impact of climate or weather also significantly impacts construction project materials or labor resources. Ismail et al [63] and Zhang et al [64] concluded that it can be empirically proven that environmental factors such as temperature and relative humidity have a significant impact on workers' performance, whereas Amadi [65] claimed that the meteorological profile of wet-humid climates induces a significantly high percentage of the variance in the real-time demand for bagged cement on construction sites, which reveals that the issue should also be evaluated from a different perspective in terms of activity-specific material demand and supply. This should be one of the results of the duration and cost variability of construction activities during different periods.…”

Section: Discussionmentioning

confidence: 99%

The Impact of Climate Change on Construction Activity Performance

Oruc,

Dikbas,

Gumus

et al. 2024

Buildings

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There are specific construction operations that require weather forecast data to make short-term decisions regarding construction; however, most resource-related decision making and all project management plans must be carried out to anticipate weather conditions beyond the capabilities of the currently available forecasting technologies. In this study, a series of single- and multi-risk analyses were performed with ~9 km grid resolution over Türkiye using combinations of weather and climate variables and their threshold values which have an impact on the execution and performance of construction activities. These analyses will improve the predictability of potential delays, enable the project to be scheduled on a future-proof basis by considering the calculated normal and periodic predictions on the grid scale, and serve as a dispute resolution tool for related claims. A comprehensive case study showcasing the methodology and illustrating its application shows that the project duration is expected to be extended because of the impact of climate on both historical and future periods. While the original project duration was 207 days, when climate effects were considered, the optimum mean and median values increased to 255 and 238 days, respectively, for the historical period. The optimum duration mean and median change to 239 days by the end of the century, according to the SSP5-8.5 scenario, if the construction schedules consider climate change. The change in duration was mainly due to rising temperatures, which increased winter workability and reduced summer workability. However, if the historical practices are carried over to future schedules, the mean and median increase to 258 days and 244 days, respectively, which may cause unavoidable direct, indirect, or overhead costs.

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A weather-adaptive perspective to building cost estimation in Nigeria: exploring climate-induced cost variance

Amadi

2023

IJBPA

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PurposeUsing Nigeria, as a point of reference, this study aims to explore the applicability of climatic variables as analytically valid factors for conceptual cost estimation. This is in view of the vastness and topographical alignment of Nigeria's landmass, which makes it a country of extreme climatic variability from north to south. As construction costs in Nigeria, similarly, tend to show a north-south alignment, the study's objective is to establish cost-estimating relationships (CERs) between the variability of climatic elements and the variance in construction cost, to arouse interest in the concept.Design/methodology/approachDeploying correlation analysis and multiple regression analysis, significant associations/relationships between meteorological variables and building cost for selected locations, following a North-South transect of the major climatic zones, are sought, to explain climate-induced construction cost variance. Validation of the regression model was carried out using variance analysis and the Mean Absolute Percentage Error of a different dataset.FindingsClimatic indices of atmospheric moisture exhibited strong direct and partial correlations with construction costs, while sunshine hours and temperature were inversely correlated. The study further establishes statistically significant CERs between climatic variables and building cost in Nigeria, which accounted for 47.9% of the variance in construction cost across the climatic zones.Practical implicationsThe study outcome provides a statistically valid platform for the development of more elaborate analytical costing models, for prototype buildings to be cited in disparate climatic settings.Originality/valueThis study establishes the statistical validity of climatic variables in constituting CERs for predicting construction costs in disparate climatic settings.

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A back-end view to climatic adaptation

Cited by 3 publications

References 27 publications

Weather-Related Construction Delays in a Changing Climate: A Systematic State-of-the-Art Review

Weather-Related Construction Delays in a Changing Climate: A Systematic State-of-the-Art Review

The Impact of Climate Change on Construction Activity Performance

A weather-adaptive perspective to building cost estimation in Nigeria: exploring climate-induced cost variance

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