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<p>This paper explores cost-effective and space-efficient methods for installing underground utility services to eliminate the need for repeated excavation and street cuts. Traditional underground infrastructure in Indian cities has led to frequent service disruptions and surface damage during repairs. This study investigates innovative approaches such as multi-utility tunnels (MUTs) and trenchless technologies, drawing on global best practices. A case study of Dewas, Madhya Pradesh, is conducted to assess the feasibility of integrated underground utility networks, including water supply, sewerage, drainage, power, street lighting, and fire services. The spatial analysis reveals that approximately 207.8&#xa0;km of MUTs are required, with a projected capital cost of ₹111.4 crore—approximately 3.4% of the district’s GDP. Life-cycle cost analysis over 30 years indicates MUTs can reduce total expenditure by ₹3.52 crore compared to conventional systems due to lower maintenance costs (1% annually versus 6%). The study proposes a sector-specific network plan that is digitally monitored for performance and losses, ensuring operational efficiency. The integrated and modular design improves safety, minimizes technical and commercial losses, and enhances service reliability, offering a scalable model for similar mid-sized Indian cities undergoing urban regeneration.</p> Graphical Abstract <p></p>

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Spatial analysis for transforming the city’s traditional utility network into dig-free systems: a sustainable and feasible approach in a hypothetical Indian scenario

  • 期刊论文

  • 发表日期：

    2026年2月18日

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  • Rajat Singh,
  • Vinay Mohan Das

摘要

This paper explores cost-effective and space-efficient methods for installing underground utility services to eliminate the need for repeated excavation and street cuts. Traditional underground infrastructure in Indian cities has led to frequent service disruptions and surface damage during repairs. This study investigates innovative approaches such as multi-utility tunnels (MUTs) and trenchless technologies, drawing on global best practices. A case study of Dewas, Madhya Pradesh, is conducted to assess the feasibility of integrated underground utility networks, including water supply, sewerage, drainage, power, street lighting, and fire services. The spatial analysis reveals that approximately 207.8 km of MUTs are required, with a projected capital cost of ₹111.4 crore—approximately 3.4% of the district’s GDP. Life-cycle cost analysis over 30 years indicates MUTs can reduce total expenditure by ₹3.52 crore compared to conventional systems due to lower maintenance costs (1% annually versus 6%). The study proposes a sector-specific network plan that is digitally monitored for performance and losses, ensuring operational efficiency. The integrated and modular design improves safety, minimizes technical and commercial losses, and enhances service reliability, offering a scalable model for similar mid-sized Indian cities undergoing urban regeneration.

Graphical Abstract