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2020 Eugene Wastewater Master Plan Index ii <br />PURPOSE ................................................................................................................................................. 28 <br />LAND USE INFORMATION ....................................................................................................................... 28 <br />BASE WASTEWATER FLOWS ................................................................................................................... 29 <br />Base Wastewater Flow Rates for Residential Areas ........................................................................... 29 <br />Base Wastewater Flow Rates for Commercial and Industrial Areas ................................................... 30 <br />Campus Industrial ............................................................................................................................... 30 <br />PEAK FLOW FACTOR ................................................................................................................................ 31 <br />Design Depth of Flow .......................................................................................................................... 31 <br />INFILTRATION/INFLOW ........................................................................................................................... 31 <br />General ................................................................................................................................................ 31 <br />New Systems ....................................................................................................................................... 32 <br />Existing Systems .................................................................................................................................. 32 <br />SUMMARY OF PROPOSED DESIGN CRITERIA FOR NEW SYSTEMS .......................................................... 32 <br />Average Dry-Weather Flow ................................................................................................................. 32 <br />Peak Flow Factor (PFF) ........................................................................................................................ 33 <br />Infiltration/Inflow - New Development Areas .................................................................................... 33 <br />Chapter 5 - Rehabilitation of Existing Wastewater Systems ....................................................................... 35 <br />PURPOSE ................................................................................................................................................. 35 <br />GENERAL ................................................................................................................................................. 35 <br />WASTEWATER SYSTEM REHABILITATION PROGRAM ............................................................................. 36 <br />Methods for Problem Identification ................................................................................................... 36 <br />Methods for Correction and Quality Control ...................................................................................... 37 <br />Wastewater Model Development ...................................................................................................... 37 <br />Rehabilitation Planning Process .......................................................................................................... 38 <br />Finance Planning ................................................................................................................................. 39 <br />REHABILITATION OF PRIVATE SERVICE LATERALS .................................................................................. 39 <br />REHABILITATION COSTS .......................................................................................................................... 40 <br />Mainline Rehabilitation Unit Costs ..................................................................................................... 40 <br />Public Lateral Rehabilitation Costs...................................................................................................... 41 <br />Manhole Rehabilitation Costs ............................................................................................................. 41 <br />Long-Range Rehabilitation Planning ................................................................................................... 41 <br />ADDITIONAL INFORMATION ................................................................................................................... 42 <br />Chapter 6 - Basis of Cost Estimates ............................................................................................................. 46