Community Assessment Report - Onsite Sewage Treatment ...

OPERATION AND MAINTENANCE FOR CLUSTER MSTS WITH NITROGEN REMOVALESTIMATED STEP OPERATION AND MAINTENACE COSTS FOR 3 BDR HOMEITEM QUANTITY UNIT UNIT PRICE TOTAL PRICE/YEAR NOTESTank pumping 500 gal $0.17 $85.00 1500 gallons 1x/3 yearsElectricity (0.5 hp pump) 101 kwh $0.10 $10.13 gpd/ gallons/min /min/hr * days/year * kwhService Visit 0.5 hr $65.00 $32.50 .25 hrs 2x/yearPump Replacement 0.1 each $500.00 $50.00 1x/10 yearsTotal $177.63Contingency (10%) $17.76Final Total $195.39Total for 14 properties $2,735.48ESTIMATED OPERATION AND MAINTENACE COSTS FOR 5,000-6,000 GPD DRAINFIELDITEM QUANTITY UNIT UNIT PRICE TOTAL PRICE/YEAR NOTESTank pumping 2000 gal $0.17 $340.00 6,000 gallons 1x/3 yearsElectricity (0.5 hp pump) 1351 kwh $0.10 $135.05 gpd/ gallons/min /min/hr * days/year * kwhService Visit 8 hr $65.00 $520.00 2 hrs 4x/yearPump Replacement 0.2 each $500.00 $100.00 1x/5 years, 2 pumpsRemote Monitoring/Reporting 26 hr $65.00 $1,690.00 0.5 hrs/weekTotal $2,785.05Contingency (10%) $278.51Final Total $3,063.56ESTIMATED NO3 REMOVAL OPERATION AND MAINTENACE COSTSITEM QUANTITY UNIT UNIT PRICE TOTAL PRICE/YEAR NOTESAmphidrome Power 4333 kwh $0.10 $433.30 Taken from vendor quoteSludge Disposal 12667 gal $0.17 $2,153.39 Taken from vendor quoteMethanol 167 gal $3.00 $501.00 Taken from vendor quoteAlkalinity 1 ls $170.00 $170.00 Taken from vendor quoteTelephone/Internet 12 $/month $50.00 $600.00 EstimateAmphidrome Repair Reserve 0.13 total $10,000.00 $1,250.00 Pump/Blower Replacement at 1x/8 years, 8 pumps, 2 blowersService Visit 104 hr $65.00 $6,760.00 Estimated 2 hours/week averageSampling 12 sample $100.00 $1,200.00 Sample effluent 1x/month for TN, CBOD, and TSS.Building Heating and Power 12.00 $/month $50.00 $600.00 Assumed cost of $50/monthRemote Monitoring/Reporting 26 hr $65.00 $1,690.00 0.5 hrs/weekTotal $15,357.69Contingency (10%) $1,535.77Final Total $16,893.46Final Total for All $22,700.00Total/property/month $135.12