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2020 Eugene Wastewater Master Plan Chapter 7: Major System Expansion 57 <br /> <br />Table 7-5: Proposed Wastewater Capital Improvements for Willakenzie Area <br />Location Preliminary Design Information <br />Manhole <br />Basin/No. <br />Capacity <br />(CFS) <br />Pipe Size <br />(Inches) <br />Invert <br />Elevation <br />Slope <br />(Ft./ft.) <br />Length <br />(Ft.) <br />Average <br />Depth (Ft.) <br />Est. Const. <br />Cost1 <br />WN - North Delta Highway (Map 7-G) <br />PS-G-22 (in the <br />northwest corner <br />of the basin) <br />0.3MGD <br /> <br />380 N/A N/A 8 $758,810 <br />From PS-G-22 <br />To G-23 <br /> 6” Force <br />Main <br />383 <br />396.1 N/A 580 4 $33,450 <br />From G-23 <br />To G-24 1.0 8 3 396.1 <br />393.1 0.004 680 5 $74,360 <br />From G-24 <br />To G-25 1.0 8 3 389.9 0.004 750 10 $131,430 <br />From G-25 <br />To 16814 1.27 10 389.9 <br />388.0 0.002 775 17 $197,900 <br />WN - Coburg Road/County Farm (Map 7-H) <br />PS-H-26 0.4MGD 396 N/A N/A 18 $910,570 <br />From PS-H-26 <br />To 17007 <br /> 6” Force <br />Main N/A N/A 1,160 4 $103,8102 <br />PS-H-27 0.3MGD 404 N/A N/A 11 $758,810 <br />From PS-H-27 <br />To H-28 <br /> 6” Force <br />Main N/A N/A 1,300 4 $74,970 <br />From H-28 <br />To 17015 1.0 8 3 414.4 <br />407.7 0.004 1575 7 $332,0602 <br />1 All costs shown are in 2019 dollars and include 35% for engineering and administration <br />2 Assumed to be constructed in existing roads. <br />3 8-inch lines required for the pump station <br /> <br /> <br />