Recycling Treated Municipal Wastewater for Industrial Water Use

WATER REUSE SYSTEM COST OF SERVICE TABLE BASE SYSTEM
Blue = Values to input
Capital Cost and Debt Financing Assumptions General Items Maintenance
Total Capital Cost Variable Lab Costs, $ $20,000 Pump System Labor, hrs/wk 4
Amount of Grant Funding $0 Sodium Hypochloride, $/gal of 12.5% 0.70 Pump System Equip, % capital 1%
Municipal % of Up-Front Capital 100% Chlorine Dose, mg/L (year-round, see Note A) 7 Treatment Facilities, % capital 5%
Other % of Up-Front Capital 0% Electrical Power, $/kwhr 0.045 Distribution System, $/mile 5500
Debt Term (Years) 20
Annual Interest Rate 5.00% FTE Annual Salary with Benefits, $
Issuance Costs, % of Capital 1% Finance, Operations, Cust Service $80,000
Legal $150,000
Engineering $100,000
Annual Avg Flow/Demand (MGD)
0.1 0.25 0.5 0.75 1 1.25 1.5 1.75
Length of Distribution System (mi) 2.0 Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons
Summary of Capital Cost Estimates
Description Capital Cost Capital Cost Capital Cost Capital Cost Capital Cost Capital Cost Capital Cost Capital Cost
Treatment Facilities $110,000 $125,000 $150,000 $172,500 $180,000 $187,500 $195,000 $202,500
Storage Facilities $0 $0 $0 $0 $0 $0 $0 $0
Pump Station $60,704 $151,759 $303,519 $364,223 $485,630 $607,038 $728,446 $849,853
Piping $1,060,780 $1,133,050 $1,253,500 $1,373,950 $1,494,400 $1,614,850 $1,735,300 $1,855,750
TOTAL CAPITAL $1,231,484 $1,409,809 $1,707,019 $1,910,673 $2,160,030 $2,409,388 $2,658,746 $2,908,103
Cost Components Basis/Methodology
CAPITAL Debt Service (Capital Cost) Based on debt service payment $95,053 $2.60 $108,817 $1.19 $131,758 $0.72 $147,477 $0.54 $166,724 $0.46 $185,970 $0.41 $205,217 $0.37 $224,464 $0.35
Pumping System
Maintenance Labor hours/week at operator rate input-see Note B $8,000 $0.22 $8,000 $0.09 $8,000 $0.04 $8,000 $0.03 $8,800 $0.02 $8,800 $0.02 $8,800 $0.02 $8,800 $0.01
Equipment Maintenance Based on % of capital cost input $607 $0.02 $1,518 $0.02 $3,035 $0.02 $3,642 $0.01 $4,856 $0.01 $6,070 $0.01 $7,284 $0.01 $8,499 $0.01
OPERATION Electrical Power Based on per Kwh rate input; see Note C $3,121 $0.09 $6,494 $0.07 $11,303 $0.06 $15,631 $0.06 $19,674 $0.05 $23,517 $0.05 $27,208 $0.05 $30,777 $0.05
AND Reuse Treatment at WWTP
MAINTENANCE Chlorine Disinfection $/gallon at %Conc input; see Note A $1,434 $0.04 $3,586 $0.04 $7,171 $0.04 $10,757 $0.04 $14,342 $0.04 $17,928 $0.04 $21,514 $0.04 $25,099 $0.04
Other From Treatment Module $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00
Laboratory Lab cost input $20,000 $0.55 $20,000 $0.22 $20,000 $0.11 $20,000 $0.07 $20,000 $0.05 $20,000 $0.04 $20,000 $0.04 $20,000 $0.03
Electrical Power From Treatment Module $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00
Equipment Maintenance&Labor Based on % of capital cost input $5,500 $0.15 $6,250 $0.07 $7,500 $0.04 $8,625 $0.03 $9,000 $0.02 $9,375 $0.02 $9,750 $0.02 $10,125 $0.02
Distribution System Maintenance Equals water system cost/mile-see Note B $11,000 $0.30 $11,000 $0.12 $11,000 $0.06 $11,000 $0.04 $11,000 $0.03 $11,000 $0.02 $11,000 $0.02 $11,000 $0.02
General System Management
GENERAL Engineering 0.15 FTE base; .05% increase per mgd $15,000 $0.41 $15,000 $0.16 $15,000 $0.08 $15,000 $0.05 $15,000 $0.04 $15,188 $0.03 $15,375 $0.03 $15,563 $0.02
AND Finance and Accounting 0.15 FTE $12,000 $0.33 $12,000 $0.13 $12,000 $0.07 $12,000 $0.04 $12,000 $0.03 $12,150 $0.03 $12,300 $0.02 $12,450 $0.02
ADMINISTRATIVE Legal 0.05 FTE $7,500 $0.21 $7,500 $0.08 $7,500 $0.04 $7,500 $0.03 $7,500 $0.02 $7,594 $0.02 $7,688 $0.01 $7,781 $0.01
Customer Service 0.05 FTE $4,000 $0.11 $4,000 $0.04 $4,000 $0.02 $4,000 $0.01 $4,000 $0.01 $4,050 $0.01 $4,100 $0.01 $4,150 $0.01
TOTAL OF ALL COST COMPONENTS FOR RECLAIMED WATER: $5.02 $2.24 $1.31 $0.96 $0.80 $0.70 $0.64 $0.59
Annual Avg Flow/Demand (MGD)
0.1 0.25 0.5 0.75 1 1.25 1.5 1.75
Length of Distribution System (mi) 2.5 Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons Year 1 Cost, $ $/1000 gallons
Summary of Capital Cost Estimates
Description Capital Cost Capital Cost Capital Cost Capital Cost Capital Cost Capital Cost Capital Cost Capital Cost
Treatment Facilities $110,000 $125,000 $150,000 $172,500 $180,000 $187,500 $195,000 $202,500
Storage Facilities $0 $0 $0 $0 $0 $0 $0 $0
Pump Station $60,704 $151,759 $303,519 $364,223 $485,630 $607,038 $728,446 $849,853
Piping $1,325,930 $1,416,275 $1,566,850 $1,717,425 $1,868,000 $2,018,575 $2,169,150 $2,319,725
TOTAL CAPITAL $1,496,634 $1,693,034 $2,020,369 $2,254,148 $2,533,630 $2,813,113 $3,092,596 $3,372,078
Cost Components Basis/Methodology
CAPITAL Debt Service (Capital Cost) Based on debt service payment $115,519 $3.16 $130,678 $1.43 $155,944 $0.85 $173,988 $0.64 $195,560 $0.54 $217,132 $0.48 $238,704 $0.44 $260,276 $0.41
Pumping System
Maintenance Labor hours/week at operator rate input-see Note B $8,000 $0.22 $8,000 $0.09 $8,000 $0.04 $8,000 $0.03 $8,800 $0.02 $8,800 $0.02 $8,800 $0.02 $8,800 $0.01
Equipment Maintenance Based on % of capital cost input $607 $0.02 $1,518 $0.02 $3,035 $0.02 $3,642 $0.01 $4,856 $0.01 $6,070 $0.01 $7,284 $0.01 $8,499 $0.01
OPERATION Electrical Power Based on per Kwh rate input; see Note C $3,837 $0.11 $7,734 $0.08 $13,144 $0.07 $17,924 $0.07 $22,336 $0.06 $26,494 $0.06 $30,459 $0.06 $34,271 $0.05
AND Reuse Treatment at WWTP
MAINTENANCE Chlorine Disinfection $/gallon at %Conc input; see Note A $1,434 $0.04 $3,586 $0.04 $7,171 $0.04 $10,757 $0.04 $14,342 $0.04 $17,928 $0.04 $21,514 $0.04 $25,099 $0.04
Other From Treatment Module $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00
Laboratory Lab cost input $20,000 $0.55 $20,000 $0.22 $20,000 $0.11 $20,000 $0.07 $20,000 $0.05 $20,000 $0.04 $20,000 $0.04 $20,000 $0.03
Electrical Power From Treatment Module $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00 $0 $0.00
Equipment Maintenance&Labor Based on % of capital cost input $5,500 $0.15 $6,250 $0.07 $7,500 $0.04 $8,625 $0.03 $9,000 $0.02 $9,375 $0.02 $9,750 $0.02 $10,125 $0.02
Distribution System Maintenance Equals water system cost/mile-see Note B $13,750 $0.38 $13,750 $0.15 $13,750 $0.08 $13,750 $0.05 $13,750 $0.04 $13,750 $0.03 $13,750 $0.03 $13,750 $0.02
General System Management
GENERAL Engineering 0.15 FTE base; .05% increase per mgd $15,000 $0.41 $15,000 $0.16 $15,000 $0.08 $15,000 $0.05 $15,000 $0.04 $15,188 $0.03 $15,375 $0.03 $15,563 $0.02
AND Finance and Accounting 0.15 FTE $12,000 $0.33 $12,000 $0.13 $12,000 $0.07 $12,000 $0.04 $12,000 $0.03 $12,150 $0.03 $12,300 $0.02 $12,450 $0.02
ADMINISTRATIVE Legal 0.05 FTE $7,500 $0.21 $7,500 $0.08 $7,500 $0.04 $7,500 $0.03 $7,500 $0.02 $7,594 $0.02 $7,688 $0.01 $7,781 $0.01
Customer Service 0.05 FTE $4,000 $0.11 $4,000 $0.04 $4,000 $0.02 $4,000 $0.01 $4,000 $0.01 $4,050 $0.01 $4,100 $0.01 $4,150 $0.01
TOTAL OF ALL COST COMPONENTS FOR RECLAIMED WATER: $5.68 $2.52 $1.46 $1.08 $0.90 $0.79 $0.71 $0.66
Total Reuse System Costs_BASE-043007-FORPRINTING.xls, CURVE Model Page 2 of 10 5/2/2007