Abstract
The site selection process for a building entails evaluating a variety of factors with varying degrees of importance or percentage influence. In order to ensure that critical site selection factors are not overlooked, a methodology for calculating a building’s safe site selection must be developed. The study identified three broad aspects widely considered in site selection, namely environmental, physical, and socioeconomic criteria. To assess the safest site selection of residential building construction for sustainable urban growth, we used GIS-based multi-criteria decision-making approach that combined Fuzzy-AHP and weighted linear combination (WLC) aggregation method used to calculate the SSPZ. The final safe site suitability map was generated by aggregating all aspects such as geophysical, socio-economic and Geo-environmental thematic layers and their associated Fuzzy-AHP weights using the weighted linear combination method. The sites potential index’s mean value of 0.513 with standard deviation of 0.340, minimum and maximum GeoPhySSSI are 0.0 and 0.91, respectively, SSS index is classified into zones by histogram profile using natural breaks (jenks)” Subsequently, safe sites identified and divided into six classes namely no construction, very low suitable site low suitable site, moderate suitable site, high suitable site, and very high suitable site.“ According to the statistical analysis, 3.64% and 32.12% of the total area were under very high and high SSSZ, while 26.40% and 6.22% accounted to the moderate and low suitable potential, respectively” Our findings suggest that integrating the fuzzy collection with AHP is highly desirable in terms of alternative and decision-making effectiveness. The study reveals that the areas of high and moderate suitability are located near existing habitant area, major roads, and educational and health services; they are not located in restricted/protected areas or are vulnerable to natural hazards. The findings indicate that unsuitable and less-suitable land uses such as vegetation, protected areas, and agriculture lands cover nearly one-third area of Abha-Khamis Mushyet regions, implying that using Fuzzy-AHP and GIS techniques will significantly aid in the conservation of the environment. This would significantly mitigate adverse effects on the ecosystem and climate.
Highlights
Kingdom of Saudi Arabia is a major oil exporter, accounting for 15.7% of world oil production in 2014 [1]
The cumulative impact of these factors examines the level of appropriateness and assists to categorize the land into several zones
In Mountainous region such as Aseer region, safe site selection must take into account land use/land cover, slope stability, landslides, topography, and drainage network, as well as mitigating negative environmental effects
Summary
Kingdom of Saudi Arabia is a major oil exporter, accounting for 15.7% of world oil production in 2014 [1]. Saudi Arabia’s construction industry has grown in response to Sustainability 2022, 14, 888. The Saudi government formed the “Saudi Green Building Council (SGBC)” in 2010 to encourage the use of sustainable building concepts in construction projects [3,4]. As one of the fundamental concepts of building planning, is critical and has a direct impact on the design of an ongoing construction [5]. The relationship between a site and its surroundings has a significant impact on the design decisions made by architects and engineers. Building site conditions vary depending on the type of occupancy
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