ENHANCING STORM DRAINAGE SYSTEMS FOR ROAD NETWORKS BY APPLYING VALUE ENGINEERING: CASE STUDY

Document Type : Original Article

Author

Civil Engineering Department, Faculty of Engineering, Al-Azhar University, Nasr City, 11884, Cairo, Egypt,

Abstract

Storm water is one of the environmental factors that affects the performance of the surface transportation system and road safety. Storm drainage should be used to prevent the roads from flooding. Despite the remarkable application of value engineering (VE) results to evaluate the modern designs of storm drainage networks. This study presents a typical VE technique for infrastructure projects, particularly for Stormwater Water Drainage Networks (SWDN). A comprehensive VE analysis was conducted to test the case for the proposed SWDN in Cairo, Egypt. The function analysis system technique (FAST) was implemented to study relationships in a logical manner among the components of a project. The study comprised a complex live cycle cost analysis (LCCA) of the study area and a weighted evaluation matrix (WEM), which offers the necessary support to the decision-makers. These include constructability, maintenance, and environmental impact. Subsequently, an unbiased criterion was used to select the best drainage design. Inspection chamber cover, Manholes diameter, CHDPE pipes material, catch-basins size and depressed curbs have proven to outperform the other choices. Thus, it saved about 15% of the original design costs (6.0 million Egyptian pound). Therefore, this study inferred that the application of VE analysis has proven to be associated with cost savings. It presents a further enhancement in terms of the sustainability aspect and the overall value. This study's developed value engineering (VE) methodology can guide design engineers and decision-makers working in Storm drainage.

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Journal of Al-Azhar University Engineering Sector
Volume 20, Issue 74
January 2025
Pages 113-128

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