Case Study & Design Underground Sewerage Network on SewerGems Software for Expansion of Solapur City

The study successfully developed a hydraulically efficient underground sewerage network design for the New Vidi Gharkul area of Solapur City using SewerGEMS modeling. The proposed system satisfies CPHEEO design criteria by maintaining adequate self-cleansing velocity, permissible flow depth ratio (d/D), and a stable hydraulic grade line (HGL) under peak flow conditions, with no observed surcharge or overflow risks. The software-based approach enhanced design accuracy, optimized pipe sizing and slopes, reduced manual calculation errors, and ensured the network can accommodate projected population growth for sustainable urban sanitation. Future work may include dynamic rainfall–runoff interaction analysis, integration of GIS-based asset management and IoT-enabled real-time monitoring systems, along with cost optimization, life-cycle assessment, and climate resilience evaluation to further improve the long-term performance and adaptability of the sewerage infrastructure.

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