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<br />. <br /> <br />. <br /> <br />. <br /> <br />774-6021 MAIER STEWART ASSOC. 123 P06 <br /> <br />APR 21'93 15:04 <br /> <br />EXHIBIT 2 <br /> <br />EXPENSES FOR THE CITY OF orsEGO <br />WASTEWATER TREATMENT PLANT EXPANSION <br /> <br />City of Elk River, Minnesota <br />Maier Stewart & Associates, Inc. <br />April, 1993 <br /> <br />Design Capacity, million gallons per day (MOD) <br />City of Elk River <br />City of Ot.sego <br />Total <br /> <br />2.20 <br />~ <br />2.55 <br /> <br />Influent <br /> <br />biochemical oxygen demand (BOD), mg/l <br />total suspended solids (TSS), rng/l <br />BOD,mg!l <br />TSS, mg/l <br /> <br />200 (1) <br />225 (1) <br />10 <br />12 <br /> <br />Effluent <br /> <br />Construction Cost For the Expansion (2) <br />~ue of the Existing Facilities <br />Total Value of the 2.55 MGD Plant <br /> <br />$6,184,000 <br />$1.500.000 <br />$7,684,000 <br /> <br />$7,684,000 x 0.35/2.55 <br />Metering and Sampling of Otsego. s Sewage <br />lbtal Cost for Otsego <br /> <br />$1,055,000 <br />$ 100.000 <br />$1,155,000 <br />$1.40/1<xx) gal. <br /> <br />Estimated Annual 0 & M Cost (3) <br />Probable Annual 0 & M Cost for Otsego <br />$1.40 x 350 x 365 <br /> <br />$ 179,ooO/yr. <br /> <br />NarES: <br /> <br />(1) Industrial wastewater with higher BOD and TSS concentrations should be pretreated to <br />this level before entering the treatment plant. <br /> <br />(2) Does not include the lift station and forcemain from Otsego to Elk River. <br /> <br />(3) The cost is estimated based on the treatment and administration costs in 1988. Actual <br />annual 0 & M cost should be calculated and adjusted each year based on the actual <br />expenses and volume of wastewater received. <br /> <br />lSl.1l501.apr <br />