Assumptions Indicates t Indicates t New Subhead Resource Assumptions/Annotaions GPD Gallons Per GPPPD Gallons Per Nos. Number Technology Performance Metric Assumptions # Phases of contruction 4 The following are adjustable based on users requirement: Sewer Treatment Efficiency Overall Lifespan Number of Trains per Phase Operating Costs Financial Assumptions $ United Stat % Percentage CapEx Capital Exp CD Certificate Market Assumptions The following are adjustable based on users requirement: Sewer Treatment Efficiency
Waste water resale return on investment analysis in San Francisco for a mixed use development.
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AssumptionsIndicates that cell Input required and can be modifiedIndicates that cell is being used by "Calc Tab"New Subheading
Resource Assumptions/AnnotaionsGPD Gallons Per DayGPPPD Gallons Per Person Per DayNos. Number
Technology Performance Metric Assumptions# Phases of contruction 4The following are adjustable based on users requirement:Sewer Treatment EfficiencyOverall LifespanNumber of Trains per PhaseOperating Costs
Financial Assumptions$ United States Dollar% PercentageCapEx Capital ExpenditureCD Certificate of Deposit
Market AssumptionsThe following are adjustable based on users requirement:Sewer Treatment Efficiency
Indicates that cell Input required and can be modifiedIndicates that cell is being used by "Calc Tab"
Gallons Per Person Per Day
Project Type WaterDesign Phase
Input resource# People
Units of resource use per person per dayTotal Demand
Output ResourceToilet Fushing per person
Total FlushingSewer Use Factor
Sewer UsageSewer Treatment Efficiency (0-100%)
Recycled Water ProductionType of TechnologyLifespan (in years)
Living MachineLiving Machine Treatment SystemPrimary ConstructionEffluent DisinfectionStartup and CommissioningSite PipingCollection TanksTotal
Aqua CellAquaCell MBR System Cost (4x25,000 GPD)Pipework Collection and DispersalLabor/Construction Site prep and InstallationPumps Re-Use pumpingTanksTotal
O&M Costs
Number of Trains per Phase 4 BKFMaintenance per Train $ 1,200.00 Total Maitainanace for trains per Phase $ 4,800.00 Operational Cost for a 25K systemElectical Fees $ 2,044.00 Maintenance $ 2,400.00 Bio Solids Disposal $ 640.00 Operator $ 75,000.00 Monitoring and Sampling $ 15,000.00 Total $ 95,084.00
Financial Indicators
Amount Paid Upfront (0 to 100%) 50%Construction Loan (Decimal term Accepted) 5.25%Construction Loan Period 2.00 YearsTerm of Construction LoanProperty Financing (Decimal Input accepted) 4%Term of Property Financing 15.00 YearsRisk Free Interest Rate1 Yr CD 3.00%2 Yr CD 5.00%2-3 Yr CD 10.00%3-4 Yr CD 12.00%4-5 Yr CD 15.00%Sales Tax 8.00%
Selling Resource Constants
Selling Price of Recycled water factored (0 to 1) 0.7% Water Sold (0 to 100%) 70%% Water to be Disposed 30%
Special GrantsOne Time Grant $ 500,000.00
Primary Resource Costing
Year 2000 2001Cost for Potable 748 Gallons $ 1.65 $ 1.65 Cost Per Gallon $ 0.00220 $ 0.00220
Bank of America
Cost for Sewage disposal of 748 Gallons $ 7.14 $ 7.44 Cost Per Gallon $ 0.00954 $ 0.00994
Growth Rate for Potable (Decimal Input Accepted) 8.00%Growth Rate for Sewage (Decimal Input Accepted) 2.50%
Design PhaseUnit Source
1950 Nos. BKF56.45 GPPPD LEED
110077.5 GPD
6.4 GPPD LEED12480 GDP
0.999069.75 GPD
80%79255.8 GPD
Living Machine50
Living Machine 2016$500,000$225,000$110,000$130,000$100,000
$62,500$1,127,500
Aqua Cell 2016System Cost (4x25,000 GPD) $800,000Collection and Dispersal $100,000Site prep and Installation $200,000Re-Use pumping $100,000