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Planning for Water Distribution System Renewal

Understand the different types of water distribution failure, along with their health effects and the necessary responses.When water mains fail, severe consequences for critical facilities and drinking water can lead to public disappointment in water utilities. The recent Flint, Michigan drinking water episode involved failed water quality in the distribution system and multi-faceted utility responsibilities for managing their infrastructure systems. That failure, together with leaks and breaks, explains why distribution system failure is a high concern for most water utilities and the main cause of boil water orders and illnesses from drinking water. Despite these realities, a large gap remains between expenditures and needs for water main renewal. Part of the problem is customer willingness-to-pay or affordability, and part of the problem is lack of convincing business cases for pipe renewal. Many aging pipe segments are candidates for renewal with funding from capital improvement programs, and utilities require effective asset management systems based on assessment of failure risk. Analysis of USEPA and American Water Works Association data shows that the national replacement cost of water supply pipelines is about $1 trillion and rising. Meanwhile, average replacement rates for pipe are on cycles close to 200 years, which leads to increasing deferred maintenance and risk of failure. You will learn recent research-based information about methods to address the problems of aging water distribution infrastructure. Failure types will be explained, along with their health effects and needed responses. The decision process for pipeline renewal will be explained, along with supporting technical issues including materials and trends, asset management systems, condition assessment, and cathodic protection. Political issues of renewal will be explained as background for preparation of business cases for capital investment and a suggested procedure for preparing a comprehensive pipe renewal program.
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Why Lorman?

Over 32 years and 1.4 million customers worth of experience providing continuing education. Our passion is providing you world-class training to help you succeed in business and as a professional.

Agenda

Pipeline Issues and Problem Drivers

System Design Principles

Asset Management

Failure Types and Models

Condition Assessment

Leaks and Breaks

Hydraulics, Water Quality, Health Challenges

Data Management

Corrosion and Cathodic Protection

Repair, Rehabilitation, Replacement Methods

Public Opinion and Political Responses

Risk Assessment and Decision Process for Renewal

Program Development for Solutions

Business Case for Investment

Toward the Future: Practical Steps to Take

Preparing a Comprehensive Pipe Renewal Program

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More Program Information

Why Lorman?

Over 32 years and 1.4 million customers worth of experience providing continuing education. Our passion is providing you world-class training to help you succeed in business and as a professional.

Credits

Audio & Reference Manual

This program does NOT qualify, nor meet the National Standard for NASBA accreditation.

MP3 Download

This program does NOT qualify, nor meet the National Standard for NASBA accreditation.

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More Program Information

Why Lorman?

Over 32 years and 1.4 million customers worth of experience providing continuing education. Our passion is providing you world-class training to help you succeed in business and as a professional.

Faculty

Professor Neil S. Grigg

Professor Neil S. Grigg

Colorado State University

  • Colorado State University
  • Professor of Department of Civil and Environmental Engineering
  • Active in research projects on failures and risk assessment of pipelines, corrosion control, predicting main breaks, and surviving disasters
  • Teaches campus and online graduate courses in pipeline engineering and hydraulics, infrastructure and utility management, and water resources planning and management
  • Author of Water and Sewer Infrastructure Management (second edition) and about a dozen books on water and infrastructure engineering and management
  • Was co-founder and principal of Sellards & Grigg Inc., a Denver consulting firm
  • Consulting projects involving water supply, storm water, and public works
  • Life member of the American Society of Civil Engineers, the American Water Works Association and the American Public Works Association (board of directors, 1990s)
  • Former president of Fort Collins Water Board
  • Appointed by U.S. Supreme Court as River Master of the Pecos River (1988 to present)
  • Was a regulator as director of environmental management, State of North Carolina
  • Responsible for Clean Water Act programs in permitting, enforcement, and construction grants and for river basin water quantity and quality, and groundwater management
  • Directed state water research institutes in Colorado and North Carolina
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Product ID: 399264
Published 2019
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