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f it 5F estimate each system cost are described below. The construction casts do not include design permitting or land acquisition costs" Construction costs are summarized in Table 3. TABLE 3 f' ESTIMATED CONSTRUCTION COSTS LIN FAMILY PROPERTIES l: Svstcm Cost I Collection $2,040.000 Treatment $2,060;000 Dispersal $980,000 Total S5,080,000 k The cost of the proposed collection systeEn is approximately $2,040,000. For purposes of the cost estimate.the collection system is assumed to include 40 STEP/STSG tanks, collection pipelines, and wastewater force mains. The cost of the proposed treatment system is approximately $2,060,000. The treatment 'r system includes 36 Advantex AX-100 recirculating te-tile media filter Emits. Uri disinfection system; and associated equipment such as dosing tanks and pumps. The treatment system will be designed to treat the design flow of 120,000 gpd, The treatment System cost also includes two small block buildings to house control panels and control equipment:One building Mll be located near the treatment plant and vvill have a dedicated generator with automatic transfer switch to;power the treatment system during a power outage. E ' The cost of the dispersal system.is approximately $980,000. The dispersal system cost j. includes tke installation of drip lines, dosing tanks and pumps, control system, valves, fittings, anti piping. 5.2 Operation and Maintenwice Cost 4 The cost to operate and maintain the proposed collection,treatment, and dispersal systems is estimated to be$87,000 per year. The cost of each system and the assumptions made to estimate each system cost are described below, O&M costs are summarized in Table 4. El The cost of maintaining the STEP/STFG collection system include power, repairs, and annual inspections" The cost of sludge pumping has been included in the treatment O&M cost. The estimated annual O&M cost for the collection system is $23,000 per year. r The O&M=cost for the treatment system includes power, maintenance, sludge handling and disposal, allocation for equipment replacement, and administrative costs. Sludge: pumping from the STET'/STSG septic tanks is included in the treatment systern O&M cost. Tlie STEP tanks are anticipated to be pumped by a septic pumping service every ten years,ho` ever, the sludge pumping cost has been annualized. The manufacturer of the Y !I ` Decentralized Treatittent for LinFamil_v 9 SABO38100 December 2008 Liid-ropWW_Dratlduc