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TCAAP INFRASTRUCTURE <br />ARDEN HILLS MAINTENANCE/OPERATIONAL COSTS <br />JUNE 2016 <br />INFRASTRUCTURE QUANTITY <br />MAINTENANCE/ <br />OPERATIONAL TASK <br />MAINTENANCE/ <br />OPERATIONAL INTERVAL <br />MAINTENANCE/ <br />OPERATIONAL UNIT COST <br />ANNUALIZED MAINTENANCE/ <br />OPERATIONAL COST ASSUMPTIONS <br />TRAILS <br />SPINE ROAD 17,000 LF <br />THUMB ROAD 4,500 LF <br />NATURAL RESOURCES CORRIDOR 7,000 LF <br />TOTAL 28,500 LF PLOWING ANNUAL $2,000/YEAR $2,400 8 SNOW EVENTS, 2 MILES/HOUR, $100 PER HOUR = $300 PER EVENT <br />CRACK SEALING EVERY 5 YEARS $0.50/LF OF TRAIL $14,250 $0.50/FOOT OF CRACK, 10 FEET OF CRACKS EVERY 10 FEET OF TRAIL = $0.50 PER TRAIL FOOT <br />REPLACEMENT EVERY 25 YEARS $10/LF OF TRAIL $11,400 <br />ANNUAL TRAIL COST $28,050 <br />STREET LIGHTING <br />SPINE ROAD PEDESTRIAN SCALE 60 <br />THUMB ROAD PEDESTRIAN SCALE 20 <br />TOTAL 80 MAINTENANCE/POWER MONTHLY $7.00/LIGHT $6,720 BASED ON XCEL ENERGY MONTHLY PRE-PAY RATES <br />REPLACEMENT EVERY 25 YEARS $5,000/LIGHT $16,000 <br />ANNUAL LIGHTING COST $22,720 <br />STORM DRAINAGE <br />NATURAL RESOURCE PONDS 15 PONDS MAINTENANCE ANNUAL $500/POND $7,500 MOWING, INSPECTION/DEBRIS REMOVAL, = $250/YEAR <br />SEDIMENT REMOVAL $10/CY - ASSUME 25 CY/YEAR = $250/YEAR <br />TRUNK STORM SEWER 15,000 LF MAINTENANCE ANNUAL $0.50/LF $7,500 CLEAN AND TELEVISE EVERY 10 YEARS - $5/LF = ANNUAL COST = $0.50/LF <br />ANNUAL STORM DRAINAGE COST $15,000 <br />SANITARY SEWER <br />TRUNK SANITARY SEWER 10,500 LF MAINTENANCE ANNUAL $0.50/LF $5,250 CLEAN AND TELEVISE EVERY 10 YEARS - $5/LF = ANNUAL COST = $0.50/LF <br />LIFT STATION 1 MAINTENANCE ANNUAL $7,500 $7,500 ASSUMES MOTOR REPLACEMENT EVERY 10 YEARS, IMPELLER REPLACEMENTS 7 YEARS <br />(500 GPM, PEAK 1600 GPM)AND ANNUAL ELECTRICAL COST <br />MAJOR OVERHAUL EVERY 20 YEARS $75,000 $3,750 INCLUDES PUMP AND CONTROLS REPLACEMENT <br />ANNUAL SANITARY SEWER COST $16,500 <br />WATER SYSTEM <br />TRUNK WATER MAIN 27,000 LF MAINTENANCE ANNUAL $0.10/LF $2,700 HYDRANT FLUSHING, VALVE MAINTENANCE, MINIMAL WATER MAIN BREAKS (NEW SYSTEM) <br />1.0 MG WATER TOWER 1 MAINTENANCE ANNUAL $10,000 $10,000 INCLUDES MAINTENANCE, ELECTRICAL POWER, AND ANNUAL INSPECTION <br />PAINTING EVERY 30 YEARS $650,000 $21,600 <br />BOOSTER STATION 1 MAINTENANCE ANNUAL $5,000 $5,000 INCLUDES MAINTENANCE AND ELECTRICAL POWER <br />(12" Water Main) <br />MAJOR OVERHAUL EVERY 15 YEARS $50,000 $3,300 INCLUDES PUMP REPLACEMENT <br />ANNUAL WATER SYSTEM COST $42,600