Comparative Study of Civil Engineering Methodology for GIS and AIS Type 220/132/33 KV Substations in Dehradun, Uttarakhand

Ankit Raturi

Abstract: The increasing demand for reliable power transmission and the growing constraints on land availability have accelerated the adoption of Gas Insulated Substations (GIS) as an alternative to conventional Air Insulated Substations (AIS). Civil engineering plays a fundamental role in the successful implementation of both substation technologies through proper site development, foundation design, structural planning, drainage systems, and infrastructure construction. This study presents a comparative evaluation of the civil engineering methodology employed in 220/132/33 kV GIS and AIS substations with reference to substation development practices in Dehradun, Uttarakhand. The research investigates key civil engineering aspects including site selection, geotechnical investigations, earthwork operations, equipment foundations, control building construction, cable trench systems, drainage networks, and surface development works. The findings demonstrate that GIS substations provide significant advantages in land optimization and compact infrastructure development, whereas AIS substations remain cost-effective in areas with adequate land availability.

Keywords: GIS, AIS, Substation Construction, Civil Engineering, Foundation Design, Power Infrastructure

How to Cite?: Ankit Raturi, "Comparative Study of Civil Engineering Methodology for GIS and AIS Type 220/132/33 KV Substations in Dehradun, Uttarakhand", Volume 15 Issue 6, June 2026, International Journal of Science and Research (IJSR), Pages: 1289-1291, https://www.ijsr.net/getabstract.php?paperid=SR26625103452, DOI: https://dx.doi.org/10.21275/SR26625103452

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