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Metropolitan Wastewater Management Commission Capital Improvement Program <br />DECOMMISSION WPCF ONSITE LAGOON <br />(P80093) <br />Description: <br />This project decommissions the existing biosolids lagoon at the Water Pollution Control <br />Facility (WPCF). <br /> <br />Status: <br />The design package is being finalized for the bidding phase. The lagoon <br />decommissioning onsite contractor work is anticipated for summer of 2019. <br />Justification: <br />The lagoon was constructed in 1979 as a temporary biosolids storage facility while the <br />Biosolids Management Facility was under construction. Since that time, it has also served <br />as a temporary storage lagoon to support digester cleaning operations. However, the <br />lagoon no longer serves the purpose for which it was originally constructed and does not <br />meet current design standards for wastewater lagoons. <br />Project Driver: <br />The lagoon can no longer provide the biosolids capacity for which it was intended nor <br />cost effectively continue to support digester cleaning operations. The lagoon is almost <br />full of accumulated residual solids. Therefore, the decision was made to decommission <br />the lagoon and change the process of cleaning the digesters. <br />Project Trigger: <br /> The WPCF lagoon no longer functions as originally designed. <br />Estimated Project Cost: <br />$5,800,000 <br />Improvement <br />SDC Eligibility: <br />0% <br />Estimated Cash Flow: <br />FY 13-14 = $1,769; FY 14-15 = $128,550; FY 15-16 = $90,031; FY 16-17 = $18,104; <br />FY 17-18 = $234; FY 18-19 = $861,312; FY 19-20 = $4,700,000 <br />Prior2018-19 <br /> Expenditure/Category:YearsEst. Act. <br />2019-202020-212021-222022-232023-24Total <br /> Design/Construction$238,688$861,312$4,700,000$0$0$0$0$5,800,000 <br /> Other$0$0$0$0$0$0$0$0 <br />Total Cost$238,688$861,312$4,700,000$0$0$0$0$5,800,000 <br />Page 49 FY 19-20 BUDGET AND CIP <br />- ¸ ΐΒǾ ΑΏΐΘǾ 7®±ª 3¤²²¨®­ ȟ )³¤¬ Β# <br /> <br />