Flood Risk Informed Life Cycle Analysis of Water Distribution System

Faculty Mentor

Ram Krishna Mazumder

Location

Russell Union Ballroom

Type of Research

On-going

Session Format

Oral Presentation

College

Allen E. Paulson College of Engineering & Computing

Department

Civil Engineering and Construction

Abstract

Water distribution systems (WDS) are critical civil infrastructure systems and required to ensure safe and reliable water supply throughout its lifetime. Given many utilities are operating with aging and deteriorated mains, frequent main failures are common problems for water losses. Utilities struggle to maintain their pipeline assets while coping with current conditions and growing future water demands. This study develops a risk-informed framework for estimating life cycle cost (LCC) of coastal WDS considering environmental stressors and extreme flooding hazards. An updated risk-matrix, combining the likelihood of failure (LoF) and consequence of failure (CoF), is used in identifying the riskiest water mains. Using risk-informed strategies, long-term LCC is estimated based on initial investment, maintenance, and salvage costs. The proposed framework is applied to a virtual Network 3, which is susceptible to coastal flooding and saltwater intrusion during its lifetime. Risk-based life cycle assessment allows to make optimized maintenance decisions for existing water mains.

Program Description

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Start Date

4-23-2026 10:15 AM

End Date

4-23-2026 10:30 AM

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Apr 23rd, 10:15 AM Apr 23rd, 10:30 AM

Flood Risk Informed Life Cycle Analysis of Water Distribution System

Russell Union Ballroom

Water distribution systems (WDS) are critical civil infrastructure systems and required to ensure safe and reliable water supply throughout its lifetime. Given many utilities are operating with aging and deteriorated mains, frequent main failures are common problems for water losses. Utilities struggle to maintain their pipeline assets while coping with current conditions and growing future water demands. This study develops a risk-informed framework for estimating life cycle cost (LCC) of coastal WDS considering environmental stressors and extreme flooding hazards. An updated risk-matrix, combining the likelihood of failure (LoF) and consequence of failure (CoF), is used in identifying the riskiest water mains. Using risk-informed strategies, long-term LCC is estimated based on initial investment, maintenance, and salvage costs. The proposed framework is applied to a virtual Network 3, which is susceptible to coastal flooding and saltwater intrusion during its lifetime. Risk-based life cycle assessment allows to make optimized maintenance decisions for existing water mains.