Private property infiltration and inflow control : WEF special publication.

Format:

Book

Contributor:

Water Environment Federation.

Language:

English

Subjects (All):

Combined sewer overflows--Environmental aspects.

Combined sewer overflows.

Sewerage--Maintenance and repair.

Sewerage.

Physical Description:

1 online resource (xvi, 199 pages) : illustrations

Place of Publication:

Alexandria, Virginia : Water Environment Federation, [2016]

Summary:

Infiltration and inflow (I/I) control efforts are a significant challenge for utilities and private property I/I sources present even greater hurdles. Private Property Infiltration and Inflow Control offers guidance on methods to identify, locate, and estimate the magnitude of private property I/I, as well as best practices for employing corrective actions to control it. Intended as a resource for utility and collection systems managers, engineers and scientists, and public health officials, the guide also outlines the critical elements for implementing a successful private property program and navigating the many barriers to implementation, including how to: Understand the legal, funding, political, and regulatory considerations that need to be addressed as part of a private property program; Distinguish the various types of private property programs that utilities are using, including enforcement-based programs, point-of-sale inspection programs, and assumption of public responsibility for maintenance of varying portions of the private sewer. Included are case studies of leading private property programs from around the country, as well as results of the 2015 WEF Private Property I/I Survey.

Contents:

Intro

List of Figures

List of Tables

Preface

Chapter 1 Introduction

1.0 BACKGROUND

2.0 OBJECTIVES

3.0 ADDITIONAL PRIVATE PROPERTY-RELATED EFFORTS

4.0 REFERENCES

Chapter 2 Private Infiltration and Inflow Definitions and Problems

1.0 INTRODUCTION

2.0 PUBLIC VERSUS PRIVATE RESPONSIBILITIES

2.1 Definition of Terms

2.2 Public Versus Private Responsibilities and Obligations

2.3 Survey Summary

3.0 EXTENT OF PRIVATE INIFILTRATION AND INFLOW

3.1 Infiltration and Inflow Sources

3.2 Infiltration and Inflow Magnitude

4.0 PRIVATE INFILTRATION AND INFLOW EFFECTS

4.1 Economic Issues

4.2 Environmental and Public Health Issues

4.3 Regulatory Issues

5.0 PRIVATE INFILTRATION AND INFLOW ENFORCEMENT EFFORTS

6.0 REFERENCES

Chapter 3 Control of Private Infiltration and Inflow

1.0 IDENTIFYING PRIVATE INFILTRATION AND INFLOW SOURCES

1.1 Measuring Infiltration and Inflow from the Private Sector

1.1.1 Flow Monitoring Methods

1.1.1.1 Basin Monitoring

1.1.1.2 Manual Manhole Service Lateral Monitoring

1.1.1.3 Service Lateral Monitoring

1.1.2 Estimating the Private Infiltration and Inflow Magnitude

1.1.3 Establishing the Types of Private Infiltration and Inflow Sources

1.2 Private Infiltration and Inflow Source Identification

1.2.1 Smoke Testing

1.2.2 Building Inspections

1.2.3 Dyed Water Testing

1.2.4 Service Lateral Closed-Circuit Television

1.2.4.1 Cleanout Entry Closed-Circuit Television

1.2.4.2 From Main Sewer Closed-Circuit Television

1.2.4.3 Electro-Scan Testing

1.3 Establishing Infiltration and Inflow Source Flowrates

1.3.1 Source Runoff Method

1.3.2 Typical Private Infiltration and Inflow Source Rates (Default Flow Method)

1.3.3 Field Verification of Source Flows Method

1.3.3.1 Dyed Water Testing

1.3.3.2 Data Loggers on Sump Pumps.

1.4 Private Sector Infiltration and Inflow Source Data Management

1.4.1 Geographical Information System Utilization

1.4.2 Asset Management Software

1.4.2.1 Building Inspection Modules

1.4.2.2 Lateral Modules

2.0 PRIVATE INFILTRATION AND INFLOW CORRECTIVE ACTIONS

2.1 Preventive Design Methods

2.1.1 New Sewer Design for Buildings

2.1.2 Private Connections to Existing Lines

2.1.3 Design Considerations for the Effects of Best Management Practices on Laterals

2.2 Corrective Design Methods

2.2.1 Cleanout Repairs

2.2.2 Downspouts, Driveway Drain, and Area Drain Removals

2.2.3 Stairwell Drain Removals

2.2.4 Sump Pumps and Foundation Drain Removals

2.2.5 Redirecting Private Infiltration and Inflow Source Controls

2.3 Private Lateral Repair Methods

2.3.1 Complete Liner

2.3.2 Partial Liner

2.3.3 Grouting

2.3.4 Replacement

2.3.4.1 Open Cut

2.3.4.2 Pipe Bursting

2.4 Private Infiltration and Inflow Removal Programs

2.5 Public Information, Education, and Guidance Initiatives

3.0 PRIVATE INFILTRATION AND INFLOW REMOVAL EFFECTIVENESS

3.1 Preconstruction and Postconstruction Flow Monitoring

3.2 Preconstruction and Postconstruction Private Infiltration and Inflow Source Testing

3.3 Private Infiltration and Inflow Removal Data Needs

5.0 SUGGESTED READING

Chapter 4 Private Property Program Implementation Considerations

1.0 STAKEHOLDER INVOLVEMENT

1.1 Customer Stakeholders

1.2 Internal Stakeholders

1.3 Local Plumbers, Service and Repair Contractors, and Builders

1.4 Real Estate Industry Interests

1.5 Regional and Multijurisdictional Programs

1.6 Other Stakeholders

2.0 PROGRAMMATIC ELEMENTS

2.1 Program Scope and Vision

2.2 Legal Authorities

2.2.1 Sewer Use Ordinances

2.2.2 Construction Standards and Specifications.

2.3 Program Management and Staffing

2.3.1 Management

2.3.2 Staffing Needs

2.4 Public Education and Communication

2.5 Budgeting

2.6 Information Management

2.7 Standard Practices and Acceptable Technologies

2.8 Sustainability (Performance Metrics, Adaptive Management)

3.0 FUNDING CONSIDERATIONS

3.1 Expenditure of Public Funds on Private Property

3.2 Diversion of Funds from Other Customer Needs

3.3 Effects on Vulnerable Customers

3.4 Effects on Local Economy

3.5 Effects on Inaction

3.6 Utility Capital Improvement Funding Requirements

3.7 Funding Mechanisms

4.0 POLITICAL AND REGULATORY CONSIDERATIONS

4.1 Customer Equity and Environmental Justice

4.2 Private Property Rights

4.3 Local Political Issues

4.4 Federal, State, and Local Regulations and Enforcement

5.0 PRIVATE PROPERTY INFILTRATION AND INFLOW PROGRAM EXAMPLES

5.1 Enforcement-Based Program

5.2 Point-of-Sale Lateral Inspection/Corrective Action Program

5.3 Utility-Assumed Ownership and/or Operation and Maintenance of Privately Owned Lateral Program

5.4 Publicly Owned (Lower) Lateral Focused Program

Chapter 5 Private Property Infiltration and Inflow Program Case Studies

1.0 WATER ENVIRONMENT FEDERATION PRIVATE PROPERTY VIRTUAL LIBRARY

2.0 JOHNSON COUNTY WASTEWATER, KANSAS

2.1 Utility Background

2.2 Private Infiltration and Inflow Removal Program

2.2.1 Program Drivers

2.2.2 Program Characteristics

2.2.3 Public Outreach

2.2.4 Program Resources and Tools for Source Identification and Removal

2.2.5 Program Costs

2.3 Program Effectiveness

2.4 Conclusions

3.0 KING COUNTY, WASHINGTON

3.1 Utility Background

3.2 Private Infiltration and Inflow Removal Program

3.2.1 Program Drivers

3.2.2 Program Characteristics

3.2.3 Public Outreach.

3.2.4 Source Identification and Removal

3.2.5 Program Resources and Tools

3.2.6 Program Costs

3.3 Program Effectiveness

3.4 Conclusions

4.0 EAST BAY MUNICIPAL UTILITY DISTRICT

4.1 Utility Background

4.2 Private Infiltration and Inflow Removal Program

4.2.1 Program Drivers

4.2.2 Program Characteristics

4.3 Program Effectiveness and Conclusions

5.0 SUMMARY

Appendix 2015 Water Environment Federation Private Property Infiltration and Inflow Survey

1.0 SURVEY BACKGROUND

1.1 Survey Questions

1.2 Survey Responses

2.0 UTILITY CHARACTERISTICS

3.0 SERVICE CONNECTIONS

4.0 INFILTRATION AND INFLOW

5.0 ENFORCEMENT AND FINANCING

6.0 MISCELLANEOUS

Index.

Notes:

Includes bibliographical references and index.

Description based on print version record.

ISBN:

1-57278-328-1

1-5231-0304-3