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4 <br /> 1 Slide #3 <br /> WaterTreatment Construction Update <br /> • Two Major Construction Projects <br /> • Clearwell — Moving Forward <br /> • PFAS Water Treatment— Deferred <br /> • Evaluation of Other Over-Arching PFAS Issues <br /> • Residuals from Water and Wastewater Treatment <br /> • Guiding Principals that Consider Public Health, <br /> Environmental Protection,and the Cost of Water <br /> 0 <br /> • Community Engagement p <br /> 0 <br /> 0 <br /> 2 <br /> 3 Michael Hughes provided a construction update on two major projects: the Clearwell and <br /> 4 PFAS treatment facilities. OWASA decided to decouple these projects, proceeding with the <br /> 5 Clearwell construction while deferring PFAS treatment. This decision was based on staff <br /> 6 successfully managing treatment processes to meet proposed regulatory limits, deferred <br /> 7 regulations, site constraints, and the need to address broader PFAS issues, including residuals <br /> 8 management and landfill leachate concerns. <br /> 9 <br /> 10 Slide #4 <br /> Clearwelt Project Timetine <br /> p,< �, �u, <br /> I Pause for Board Direction 5 months ��: 1c• /ar° ipl L n I I <br /> z n.M auf,K I I = <br /> New Basis of Design 6 months �� o"�" � Crocel Path <br /> Task I <br /> 3 General Design 14 months :��•i"3r"la.a°" <br /> • 30%Design 5months I 30%Di1pn I <br /> s 60%Design 5 months I Sox Did+ <br /> ° 90%Design 4months 7, <br /> 0rr1pi <br /> PWS Permitting 6 months <br /> 3 Special Use Permit 13 months <br /> Site Permitting 5 months <br /> -' Final Design 1month I rwD.fpn <br /> ` Bidding 4 months I wnw� <br /> zs Construction 33 months <br /> 2= Z27 2028 2029 2030 2031 <br /> 11 <br /> 12 Michael Hughes said if started now, the Clearwell project would run through 2031. <br /> 13 <br />