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Lincoln Wastewater System
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Sewer System Management Plan
Sewer System Management Plan
February 2022
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(PDF, 15MB)
TABLE OF CONTENTS
Chapter 1 - INTRODUCTION AND BACKGROUND
1.1 INTRODUCTION
1.2 ORGANIZATION
1.3 MISSION, GOAL AND ACTIONS
1.3.1 Wastewater Collection Section – Mission
1.3.2 Wastewater Collection Section – Goals
1.3.3 Actions
1.4 BACKGROUND
1.4.1 History
1.4.2 Sanitary Sewer Service Area and Population
1.4.3 Condition and Age of Collection Facilities
1.5 REFERENCE MATERIAL
1.6 ACKNOWLEDGMENTS
Chapter 2 - REGULATORY ENVIRONMENT
2.1 NATIONAL
2.2 STATE OF NEBRASKA
2.3 LOCAL
2.4 DEFINITIONS
Chapter 3 - COLLECTION SYSTEM MANAGEMENT
3.1 TRAINING
3.2 STAFFING
3.3 CUSTOMER SERVICE
3.3.1 Service Call Program
3.3.1.1 SOP for Service Calls
3.3.2 Public Information and Education Program
Chapter 4 - ASSET MANAGEMENT
4.1 OVERVIEW
4.2 INFORMATION MANAGEMENT AND GIS
4.3 FIELD INVESTIGATIONS
4.3.1 Pipe Inspection
4.3.1.1 SOP for Television Inspection
4.3.2 Manhole Inspection
4.3.3 Flow Monitoring
4.4 FIELD DATA ASSESSMENT
4.5 PLANNING
4.5.1 Generate a City Work Order for Repair
4.5.1.1 General SOPs
SOP – Catastrophic Failure
SOP – Emergency Street Closure
SOP – One Call
SOP – Confined Space Entry & Fall Protection
4.5.1.2 SOPs for Specific Repairs
SOP – Main Repairs
SOP – Repair Liner Main Repairs
SOP – Replacing Manhole Frame and Cover
SOP – Adjusting Manhole to Grade
4.5.2 Generate CIP Work Order for Repair or Replacement
Chapter 5 - SEWER MAINTENANCE
5.1 OVERVIEW
5.2 PIPE CLEANING
5.2.1 Cleaning Frequencies
5.2.2 SOPs For Cleaning
SOP – Combination Sewer Cleaning
SOP – Jet Flushing
SOP – Jet Flushing with Easement Machine
5.3 FATS, OILS AND GREASE (FOG)
5.4 ROOT CONTROL
5.4.1.1 SOP for Chemical Root Control
5.5 INFLOW AND INFILTRATION CONTROL
5.6 MAINTENANCE RECORDS
Chapter 6 - PUMP STATION AND FORCE MAIN MAINTENANCE
6.1 OVERVIEW
6.2 TELEMETRY
6.3 INSPECTION MAINTENANCE AND REPAIRS
6.3.1 Mechanical and Electrical Maintenance
6.3.2 Force Main Maintenance
6.4 CORROSION AND ODOR CONTROL
Appendices
APPENDIX A – Lift Station Information and Routine Maintenance Schedules
List of Tables
Table 1.1 Historical Population From 1880 to 2020
Table 1.2 Historical Length of Sanitary Sewer Pipe Installed
Table 3.1 Collection System Staffing Levels
Table 5.1 Current Sanitary Sewer Cleaning Frequencies
Table 6.1 Summary of Wastewater Lift Stations
List of Figures
Figure 1.1 Organizational Chart
Figure 1.2 Stoppages per 100 Miles of Sewers
Figure 1.3 Existing and Future Tier I Service Area
Figure 1.4 Wastewater Trunk Sewer System
Figure 1.5 Wastewater Lift Stations
Figure 2.1 Typical Residential Service Connection
Figure 4.1 Permanent Flow Monitor Locations
Figure 4.2 CIP Decision Flow Chart
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