IMPROVING WATER NETWORK SYSTEMS

Improving Water Network Systems



Abstract

Water and waste water infrastructure systems represent a major capital investment; utilities must ensure they are getting the highest yield possible on their investment, both in terms of dollars and water quality. Accurate information related to equipment, pipe characteristics, location, site conditions, age, hydraulic rates, and water quality is critical to industry and municipalities to enable the most cost-efficient operation, maintenance, and rehabilitation of existing systems. This report summarizes information of the building which consists of 15 floors and its efforts to optimize operation, maintenance, and rehabilitation activities related to water distribution and wastewater collection systems.

Table of Content

Chapter One: Introduction4

Objective5

Chapter Two: Literature Review11

A New Solution - H2OMAP13

Chapter Three: Methodology14

Sample Project14

The Functionality of H2OMAP15

Network Simulation Analysis15

Chapter Four: Discussion and Analysis18

Finding Errors18

Network Analysis and GIS19

Duplication of Data20

Chapter Five: Conclusion22

References23

Chapter One: Introduction

The building which has 15 floors has a system that represents a major capital investment. Accordingly, utilities strive to get the highest return possible on that investment, both in terms of dollars and water quality. Of the approximately 200,000 public water systems in the US, about 30% are community water systems that serve primarily residential areas and 90% of the population. Potable water conveyance within these 60,000 community systems represents an estimated 850,000 miles of pipe. Much of this pipe has been installed since World War II. Approximately 26% of that pipe is unlined cast iron and steel that has been judged to be in fair or poor condition. From a structural and hydraulic viewpoint, that pipe will require accelerated repair and replacement. Similarly, wastewater collection systems are an extensive part of the nation's infrastructure. In the US, approximately 147 million people are served by about 19,000 municipal wastewater collection systems representing some 500,000 miles of sewer pipe (Christensen, 2005, P 250).

As these urban infrastructure systems age, more preventive maintenance, repair and replacement of existing systems will be required. The Congressional Budget Office estimated that the total public spending on wastewater infrastructure was approximately $22 billion in 1994 alone. This represented 13% of total infrastructure spending in the US. The cost of building, operating and maintaining water and wastewater facilities over the next 20 years is projected to be $95 billion per year.1 In order for municipalities to cost-effectively plan, organize, and implement this maintenance and renewal effort, they will need more extensive information about pipe system structural conditions, enhanced decision-making tools, improved operation and maintenance practices, and state of the art techniques for repair and rehabilitation. Exemplary European water distribution and wastewater collection systems are potential sources of novel and efficient infrastructure maintenance and rehabilitation practice improvements, which should be considered by US researchers and utilities (Christensen, 2005, P 250). Despite the high cost and the key role that wastewater collection systems play in servicing the public and protecting the environment, a study by the National Research Council2 found that few or no standards exist for evaluating its performance.

Objective

The overall objective of this project was to identify and describe practices that building management ...