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12 <br />13 <br />Capital Cost Opinions <br />Feasibility level opinions of probable cost (OPC) broken down by construction category were <br />prepared for the gravity and pressure filtration alternatives. A breakdown of these costs by <br />division are included in Appendix J. Tables 12 and 13 present the capital costs for the gravity <br />and pressure filter treatment plants. <br />Table 12 Capital Cost Opinion Summary <br />Gravity Filter Water Treatment Plant <br />Item <br />Cost <br />VV'ater Treatment Plant: <br />$25,650,000 , <br />Construction Contingency (10%): <br />$2,565,000 i <br />Preliminary Construction Cost: <br />! <br />$28,220,000 <br />Engineering/Construction drain (12%) <br />$3,390000 <br />Legal/Ad min (1%) <br />' <br />$282,000 <br />Total Estimated Project Cost: <br />1 <br />$31,890,000 <br />Table 13— Capital Cost Opinion Summary <br />Pressure Filter Water Treatment Plant <br />_Item_ Cost <br />Ni mmi. - <br />Water Treatment Plant: $24,362,000 <br />Construction Contingency (10%): <br />$2,436,000 <br />Preliminary Construction Cost: <br />$26,800,000 ' <br />Engineering/Construction Adrnin (12%) <br />$3,216,000 <br />Optional 3,000 sf garage <br />$268,000 <br />Total Estimated Project Cost: <br />$30280,000 <br />An optional 8000 square foot garage could be added to either water treatment plant alternative <br />for a project cost of approximately $1.5 million. <br />Life Cycle Cost Opinions <br />Life cycle costs represent the total cost of owning the treatment plants for 50 years and include <br />capital cost, equipment replacement, labor, gas, chemicals, insurance, electricity, and annual <br />equipment repair_ Detailed life cycle cost tables are included in Appendix K. <br />The life cycle costs presented in Table 14 and Table 15 assume a 20 year financing period on <br />the capital costs with 2Q/0 interest rates and 2.75% inflation, <br />FEASIBILITY STUDY -DRAFT RAMSY 154354 <br />Page 37 <br />