Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Iniciativa Piloto Gestión de lodos fecales domiciliarios en áreas periurbanas Santa Cruz, Bolivia Diseño preliminar de sistemas independientes de tratamiento Anexo 3 Plantas mecanizadas de alternativas B y C Ministerio de Medio Ambiente y Agua (MMAyA) Viceministerio de Agua Potable y Saneamiento Básico (VAPSB) Preparado con el apoyo del Grupo Banco Mundial, y la Agencia de Cooperación Alemana (GIZ) Estudio preparado por: Ernesto Espino de la O, Consultor 30 de enero de 2018 30 de enero de 2018, E. Espino Pag. 1 de 1 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Table of Contents Layout Comparison Summary ............................................................................................................................6 B.- Mixta: Mecanizada y lagunas .......................................................................................................................6 Summary .............................................................................................................................................................6 Equipment Database ......................................................................................................................................6 Layout Summary .............................................................................................................................................7 Process Summary............................................................................................................................................7 Summary of Other Costs for Layout ...............................................................................................................8 Afluente ..............................................................................................................................................................8 User Input Data ...............................................................................................................................................8 Water Quality Data .........................................................................................................................................9 Regulaci?n ...........................................................................................................................................................9 User Input Data ...............................................................................................................................................9 Equalization.................................................................................................................................................9 Design Output Data ......................................................................................................................................10 Water Quality Data .......................................................................................................................................11 Trat. preliminar .................................................................................................................................................11 User Input Data .............................................................................................................................................11 Screening ...................................................................................................................................................11 Cost Override ............................................................................................................................................12 Design Output Data ......................................................................................................................................12 Water Quality Data .......................................................................................................................................13 Sedimentaci?n 1ria ...........................................................................................................................................14 User Input Data .............................................................................................................................................14 Primary Clarification .................................................................................................................................14 Cost Override ............................................................................................................................................14 Design Output Data ......................................................................................................................................15 Water Quality Data .......................................................................................................................................16 RAFA ..................................................................................................................................................................16 User Input Data .............................................................................................................................................16 Upflow Anaerobic Sludge Blanket Reactor ..............................................................................................16 Cost Override ............................................................................................................................................17 Design Output Data ......................................................................................................................................17 Water Quality Data .......................................................................................................................................19 Planta SAGUAPAC .............................................................................................................................................19 User Input Data .............................................................................................................................................19 Cost Override ............................................................................................................................................20 Design Output Data ......................................................................................................................................20 Water Quality Data .......................................................................................................................................21 Lagunas .............................................................................................................................................................21 User Input Data .............................................................................................................................................21 30 de enero de 2018, E. Espino Pag. 2 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz User Specified Sludge Process ..................................................................................................................21 Cost Override ............................................................................................................................................21 Design Output Data ......................................................................................................................................22 Water Quality Data .......................................................................................................................................22 C 1.- Mecanizada con lechos de secado .................................................................................................. 23 Summary ...........................................................................................................................................................23 Equipment Database ....................................................................................................................................23 Layout Summary ...........................................................................................................................................23 Process Summary..........................................................................................................................................24 Summary of Other Costs for Layout .............................................................................................................24 Afluente ............................................................................................................................................................25 User Input Data .............................................................................................................................................25 Water Quality Data .......................................................................................................................................26 Regulaci?n .........................................................................................................................................................26 User Input Data .............................................................................................................................................26 Equalization...............................................................................................................................................26 Cost Override ............................................................................................................................................27 Design Output Data ......................................................................................................................................27 Water Quality Data .......................................................................................................................................28 Trat. preliminar .................................................................................................................................................28 User Input Data .............................................................................................................................................28 Screening ...................................................................................................................................................28 Grit Removal .............................................................................................................................................28 Cost Override ............................................................................................................................................29 Design Output Data ......................................................................................................................................29 Water Quality Data .......................................................................................................................................30 Sedimentaci?n 1ria ...........................................................................................................................................30 User Input Data .............................................................................................................................................30 Primary Clarification .................................................................................................................................30 Cost Override ............................................................................................................................................31 Design Output Data ......................................................................................................................................31 Water Quality Data .......................................................................................................................................33 RAFA ..................................................................................................................................................................33 User Input Data .............................................................................................................................................33 Upflow Anaerobic Sludge Blanket Reactor ..............................................................................................33 Cost Override ............................................................................................................................................34 Water Quality Data .......................................................................................................................................36 Gravity Thickening ............................................................................................................................................36 User Input Data .............................................................................................................................................36 Gravity Thickening ....................................................................................................................................36 Cost Override ............................................................................................................................................37 Design Output Data ......................................................................................................................................37 Water Quality Data .......................................................................................................................................38 Anaerobic Digestion .........................................................................................................................................38 30 de enero de 2018, E. Espino Pag. 3 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz User Input Data .............................................................................................................................................38 Anaerobic Digestion .................................................................................................................................38 Cost Override ............................................................................................................................................39 Design Output Data ......................................................................................................................................39 Water Quality Data .......................................................................................................................................40 Lechos de secado ..............................................................................................................................................41 User Input Data .............................................................................................................................................41 Drying Beds ...............................................................................................................................................41 Cost Override ............................................................................................................................................41 Design Output Data ......................................................................................................................................42 Water Quality Data .......................................................................................................................................43 Planta SAGUAPAC .............................................................................................................................................43 User Input Data .............................................................................................................................................43 User Wastewater Process.........................................................................................................................43 Cost Override ............................................................................................................................................44 Design Output Data ......................................................................................................................................44 Water Quality Data .......................................................................................................................................44 Monorrelleno ....................................................................................................................................................45 User Input Data .............................................................................................................................................45 User Specified Sludge Process ..................................................................................................................45 Cost Override ............................................................................................................................................45 Design Output Data ......................................................................................................................................45 Water Quality Data .......................................................................................................................................45 C 2.- Mecanizada con filtros prensa ........................................................................................................ 47 Summary ...........................................................................................................................................................47 Equipment Database ....................................................................................................................................47 Layout Summary ...........................................................................................................................................47 Process Summary..........................................................................................................................................48 Summary of Other Costs for Layout .............................................................................................................48 Afluente ............................................................................................................................................................49 User Input Data .............................................................................................................................................49 Water Quality Data .......................................................................................................................................50 Regulaci?n .........................................................................................................................................................50 User Input Data .............................................................................................................................................50 Equalization...............................................................................................................................................50 Cost Override ............................................................................................................................................50 Design Output Data ......................................................................................................................................51 Water Quality Data .......................................................................................................................................51 Trat. preliminar .................................................................................................................................................52 User Input Data .............................................................................................................................................52 Screening ...................................................................................................................................................52 Cost Override ............................................................................................................................................53 Design Output Data ......................................................................................................................................53 Water Quality Data .......................................................................................................................................54 30 de enero de 2018, E. Espino Pag. 4 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Sedimentaci?n 1ria ...........................................................................................................................................54 User Input Data .............................................................................................................................................54 Primary Clarification .................................................................................................................................54 Cost Override ............................................................................................................................................55 Design Output Data ......................................................................................................................................55 Water Quality Data .......................................................................................................................................56 RAFA ..................................................................................................................................................................57 User Input Data .............................................................................................................................................57 Upflow Anaerobic Sludge Blanket Reactor ..............................................................................................57 Cost Override ............................................................................................................................................58 Design Output Data ......................................................................................................................................58 Water Quality Data .......................................................................................................................................60 Espesamiento gravim?trico ..............................................................................................................................60 User Input Data .............................................................................................................................................60 Gravity Thickening ....................................................................................................................................60 Cost Override ............................................................................................................................................61 Design Output Data ......................................................................................................................................61 Water Quality Data .......................................................................................................................................62 Digesti?n anaer?bica.........................................................................................................................................62 User Input Data .............................................................................................................................................62 Anaerobic Digestion .................................................................................................................................62 Cost Override ............................................................................................................................................63 Design Output Data ......................................................................................................................................63 Water Quality Data .......................................................................................................................................64 Filtro prensa ......................................................................................................................................................65 User Input Data .............................................................................................................................................65 Belt-Filter Press .........................................................................................................................................65 Cost Override ............................................................................................................................................65 Design Output Data ......................................................................................................................................66 Water Quality Data .......................................................................................................................................66 Planta SAGUAPAC .............................................................................................................................................67 User Input Data .............................................................................................................................................67 User Wastewater Process.........................................................................................................................67 Cost Override ............................................................................................................................................67 Design Output Data ......................................................................................................................................68 Water Quality Data .......................................................................................................................................68 Monorrelleno ....................................................................................................................................................68 User Input Data .............................................................................................................................................68 User Specified Sludge Process ..................................................................................................................68 Cost Override ............................................................................................................................................69 Design Output Data ......................................................................................................................................69 Water Quality Data .......................................................................................................................................69 Appendices........................................................................................................................................................70 Unit Costs ......................................................................................................................................................70 Cost Indices ...................................................................................................................................................70 Additional Site-Specific Costs .......................................................................................................................70 30 de enero de 2018, E. Espino Pag. 5 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Layout Comparison Summary Layout Name Present Project ($) Operation Maintenan Material Chemical Energy Amortizati Worth ($) ($/yr) ce ($/yr) ($/yr) ($/yr) ($/yr) on ($/yr) B.- Mixta: Mecanizada y 1730000 1030000 43800 9610 8830 0 12100 154000 lagunas C 1.- Mecanizada con 5170000 3710000 81900 26800 33500 0 24100 516000 lechos de secado C 2.- Mecanizada con 5430000 3920000 61200 17600 29000 32100 29900 547000 filtros prensa B.- Mixta: Mecanizada y lagunas Summary Equipment Database Hydromantis 2014,(USA Avg) 30 de enero de 2018, E. Espino Pag. 6 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Layout Summary Description Value Units CONSTRUCTION COSTS Unit process construction costs $656,000 $ Other direct construction costs $370,000 $ Other indirect construction costs $0 $ Total construction costs $1,030,000 $ ANNUAL COSTS LABOR COSTS Administration labor cost $823 $/yr Laboratory labor cost $14,700 $/yr Unit process operation labor cost $28,300 $/yr Unit process maintenance labor cost $9,610 $/yr Total labor costs $53,400 $/yr MATERIAL COSTS Total material cost $8,830 $/yr CHEMICAL COSTS Total chemical cost $0 $/yr ENERGY COSTS Total energy cost $12,100 $/yr Total operation and maintanence cost $74,300 $/yr CONSTRUCTION COST AMORTIZATION Amortization cost for total construction cost $154,000 $/yr Total annual project cost $228,000 $/yr PROJECT SUMMARY Present worth $1,730,000 $ Total project cost $1,030,000 $ Total operation labor cost $43,800 $/yr Total maintenance labor cost $9,610 $/yr Total material cost $8,830 $/yr Total chemical cost $0 $/yr Total energy cost $12,100 $/yr Total amortization cost $154,000 $/yr Process Summary Process Construction Operation Maintenance Material Chemical Energy Amortization ($) ($/yr) ($/yr) ($/yr) ($/yr) ($/yr) ($/yr) Regulación 153000 1760 766 920 0 9690 20600 Trat. preliminar 34700 2730 1210 867 0 807 4480 Sedimentación 118000 4560 2170 1090 0 804 15900 1ria RAFA 351000 19200 5460 5950 0 823 64100 30 de enero de 2018, E. Espino Pag. 7 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Planta 0 0 0 0 0 0 0 SAGUAPAC Lagunas 0 0 0 0 0 0 0 Other Costs 370000 15500 0 0 0 0 48800 Summary of Other Costs for Layout Description Value Units Other Costs Quantities Required land 3.64 ha Administration labor hours 110 hr/yr Laboratory labor hours 1960 hr/yr Costs DIRECT COSTS Site electrical 103000 $ Yard piping 73300 $ Instrumentation and control 44700 $ Lab and administration buildings 149000 $ Total direct construction costs 370000 $ INDIRECT COSTS Cost of land 0 $ Miscellaneous cost 0 $ Legal cost 0 $ Engineering design fee 0 $ Inspection cost 0 $ Contingency 0 $ Technical 0 $ Interest during construction 0 $ Profit 0 $ Total indirect construction costs 0 $ Total of other construction costs 370000 $ LABOR COSTS Administration labor cost 823 $/yr Laboratory labor cost 14700 $/yr Afluente User Input Data Description Value Units Average Flow 10.0 L/s Minimum Flow 8.0 L/s Maximum Flow 12.0 L/s Suspended Solids 4579.0 g/m3 % Volatile Solids 62.219 % BOD 2822.0 g/m3 Soluble BOD 1411.0 g/m3 COD 7675.0 g/m3 Soluble COD 3837.0 g/m3 TKN 50.0 gN/m3 30 de enero de 2018, E. Espino Pag. 8 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Soluble TKN 28.0 gN/m3 Ammonia 13.0 gN/m3 Total Phosphorus 17.0 gP/m3 pH 7.6 Cations 160.0 g/m3 Anions 160.0 g/m3 Settleable Solids 10.0 mL/L Oil and Grease 100.0 g/m3 Nitrite 0.0 gN/m3 Nitrate 0.0 gN/m3 Non-Degradable Fraction of VSS 40.0 % Average Summer 23.0 deg C Average Winter 10.0 deg C Water Quality Data Parameter Influent Effluent Units Maximum flow 1040 1040 m3/d Minimum flow 691 691 m3/d Average flow 864 864 m3/d Suspended solids 4580 4580 g/m3 % volatile solids 62.2 62.2 % BOD 2820 2820 g/m3 Soluble BOD 1410 1410 g/m3 COD 7680 7680 g/m3 Soluble COD 3840 3840 g/m3 TKN 50.0 50.0 gN/m3 Soluble TKN 28.0 28.0 gN/m3 Ammonia 13.0 13.0 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 17.0 17.0 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 10.0 10.0 g/m3 Oil and grease 100 100 g/m3 Summer temperature 23.0 23.0 deg C Winter temperature 10.0 10.0 deg C Regulación User Input Data Equalization Description Value Units Oxygen Requirements 360.01 g/m3/d Pressure Correction Coefficient 1.0 Dissolved Oxygen 2.0 g/m3 Depth of Basin 1.8288 m Minimum Water Level 1.524 m Design Based On Default - 20% Avg. Flow Volume of Basin 0.0 m3 Basin Type Concrete Basin 30 de enero de 2018, E. Espino Pag. 9 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Alpha Factor for Oxygen Transfer in Wastewater 0.9 Beta Factor for Oxygen Saturation in Wastewater 0.95 Minimum hp Required for Mixing 0.011811 kW/m3 Standard Oxygen Transfer Efficiency 3.0419 kgO2/kWh Override Database Costs FALSE Standard 50 hp High Speed Floating Aerator 29000.0 $ 1 sqft of Installed Liner 2.5 $ Floating Aerator 15.0 years Capital Cost 40.0 years Liner Life - Earthen Basin 15.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Equalization Design Information Effective storage volume 173 m3 Average hourly flow 864 m3/d Length of basin 23.9 m Width of basin 23.9 m Tank volume 1040 m3 Operating transfer efficiency 1.92 kgO2/kWh Power required 12.3 kW Quantities Volume of earthwork required 1740 m3 Volume of slab concrete required 130 m3 Volume of wall concrete required 53.2 m3 Number of aerators per basin 2.0 Power of selected aerator 7.46 kW Total installed power 14.9 kW Operational labor required 234 pers-hrs/yr Maintenance labor required 140 pers-hrs/yr Electrical energy required 96900 kWh/yr Costs Construction and equipment cost 153000 $ 30 de enero de 2018, E. Espino Pag. 10 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Earthwork Cost 11100 $ Wall Concrete Cost 37200 $ Slab Concrete Cost 65000 $ Installed Aerator Equipment Cost 32300 $ Misc Costs 7280 $ Operational labor cost 1760 $/yr Maintenance labor cost 766 $/yr Material and supply cost 920 $/yr Chemical cost 0 $/yr Energy cost 9690 $/yr Amortization cost 20600 $/yr Water Quality Data Parameter Influent Effluent Units Maximum flow 1040 864 m3/d Minimum flow 691 864 m3/d Average flow 864 864 m3/d Suspended solids 4580 4580 g/m3 % volatile solids 62.2 62.2 % BOD 2820 2540 g/m3 Soluble BOD 1410 1270 g/m3 COD 7680 7390 g/m3 Soluble COD 3840 3700 g/m3 TKN 50.0 50.0 gN/m3 Soluble TKN 28.0 28.0 gN/m3 Ammonia 13.0 13.0 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 17.0 17.0 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 10.0 10.0 g/m3 Oil and grease 100 100 g/m3 Summer temperature 23.0 23.0 deg C Winter temperature 10.0 10.0 deg C Trat. preliminar User Input Data Screening Description Value Units Cleaning Method Mechanically Cleaned Mechanically Cleaned Depth 0.3048 m Manually Cleaned Depth 0.60961 m Width 0.63576 cm Space 3.8146 cm Slope 30.0 degrees Shape Factor 2.42 Approach 0.76201 m/s Max 0.91441 m/s Ave 0.76201 m/s 30 de enero de 2018, E. Espino Pag. 11 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Grit Removal Description Value Units Particle Size 0.02 cm Specific Gravity 2.65 Type of Grit Removal Horizontal Number of Units 2.0 Design By Depth Depth 1.2192 m Width 1.2192 m Current Allowance 1.7 Manning Coefficient 0.035 Volume of Grit 2.9922E-5 m3 grit/m3 Detention Time 2.5 min Air Supply per Unit Length of Tank 0.27871 N m3/min/m Surface Velocity 0.45721 m/s Tank Floor Velocity 0.3048 m/s Capital Cost 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Preliminary Treatment Design Information Mechanically Cleaned Bar Screen Bar size 0.636 cm Bar spacing 3.81 cm Slope of bars from horizontal 30.0 degrees Head loss through screen 0.00628 m Approach velocity 0.762 m/s Average flow through velocity (screen) 0.762 m/s Maximum flow through velocity (screen) 0.914 m/s Screen channel width 0.0429 m Average channel depth 0.305 m Horizontal Flow Grit Chamber 30 de enero de 2018, E. Espino Pag. 12 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Maximum flow 860 m3/d Average flow 860 m3/d Minimum flow 860 m3/d Temperature 10.0 deg C Maximum flow through velocity (grit chamber) 0.457 m/s Average flow through velocity (grit chamber) 0.305 m/s Size of smallest particle 100% removed 0.02 cm Specific gravity of particle 2.65 Number of units 2.0 Maximum flow/unit 430 m3/d Width of channel 0.00893 m Depth of channel 1.22 m Length of channel 44.0 m Settling velocity of particle 0.0215 m/s Slope of channel bottom 0.155 Allowance for currents 1.7 Manning coefficient 0.035 Hydraulic retention time 1.6 min Volume of grit 0.0259 m3/d Costs Construction and equipment cost 34700 $ Operational labor cost 2730 $/yr Maintenance labor cost 1210 $/yr Material and supply cost 867 $/yr Chemical cost 0 $/yr Energy cost 807 $/yr Amortization cost 4480 $/yr Water Quality Data Parameter Influent Effluent Units Maximum flow 864 864 m3/d Minimum flow 864 864 m3/d Average flow 864 864 m3/d Suspended solids 4580 4580 g/m3 % volatile solids 62.2 62.2 % BOD 2540 2540 g/m3 Soluble BOD 1270 1270 g/m3 COD 7390 7390 g/m3 Soluble COD 3700 3700 g/m3 TKN 50.0 50.0 gN/m3 Soluble TKN 28.0 28.0 gN/m3 Ammonia 13.0 13.0 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 17.0 17.0 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 10.0 10.0 g/m3 Oil and grease 100 100 g/m3 Summer temperature 23.0 23.0 deg C 30 de enero de 2018, E. Espino Pag. 13 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Winter temperature 10.0 10.0 deg C Sedimentación 1ria User Input Data Primary Clarification Description Value Units Design Basis Average Flow Surface Overflow Rate 40.746 m3/(m2·d) Sidewater Depth 2.7432 m Specific Gravity 1.05 Underflow Concentration 4.0 % Weir Overflow Rate 186.3 m3/(m·d) Type of Clarifier Circular Suspended Solids 58.0 % BOD 32.0 % COD 40.0 % TKN 5.0 % Phosphorus 5.0 % Override Design FALSE Length-Rectangular Only 0.0 m Width-Rectangular Only 0.0 m Diameter-Circular Only 13.0 ft Excavation Depth 4.0 ft Number of Tanks per Battery 2.0 Number of Batteries 1.0 Override Database Costs FALSE Standard 20 X 120 ft Rectangular Clarifier 126000.0 $ Mechanism Standard 90 ft Diameter Circular Mechanism 105000.0 $ Standard 3000 gpm Pump and Driver Unit 20500.0 $ Mechanical 20.0 years Structural 40.0 years Pump 25.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ 30 de enero de 2018, E. Espino Pag. 14 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Design Output Data Description Value Units Primary Clarification Design Information Surface area 21.2 m2 Surface area per circular clarifier 10.6 m2 Diameter of each circular clarifier 3.96 m Number of clarifiers per battery 2.0 Number of batteries 1.0 Solids loading rate 186 kg/(m2·d) Hydraulic retention time 1.62 hr Weir length 4.64 m Volume of sludge generated 60.3 m3/d Quantities Operation labor required 350 pers-hrs/yr Maintenance labor required 200 pers-hrs/yr Electrical energy required 7500 kWh/yr Volume of earthwork required 147 m3 Slab thickness 25.8 cm Volume of slab concrete required 11.4 m3 Wall thickness 29.2 cm Volume of wall concrete required 29.5 m3 Costs Construction and equipment cost 88800 $ Earthwork Cost 939 $ Wall Concrete Cost 20600 $ Slab Concrete Cost 5710 $ Installed Equipment Cost 48000 $ Misc Costs 13500 $ Operational labor cost 2620 $/yr Maintenance labor cost 1100 $/yr Material and supply cost 888 $/yr Chemical cost 0 $/yr Energy cost 750 $/yr Amortization cost 12000 $/yr Waste Sludge Pumping Design Information Average daily pumping rate 60.3 m3/d Total pumping capacity 60.3 m3/d Design capacity per pump 30.1 m3/d Number of pumps 3.0 Number of batteries 1.0 Firm pumping capacity 60.3 m3/d Quantities Operation labor required 258 pers-hrs/yr Maintenance labor required 195 pers-hrs/yr Electrical energy required 539 kWh/yr Volume of earthwork required 45.4 m3 Area of pump building 18.6 m2 Costs Construction and equipment cost 29100 $ 30 de enero de 2018, E. Espino Pag. 15 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Earthwork Cost 290 $ Pump Building Cost 16700 $ Installed Pump Cost 7650 $ Misc Costs 4440 $ Operational labor cost 1940 $/yr Maintenance labor cost 1070 $/yr Material and supply cost 204 $/yr Chemical cost 0 $/yr Energy cost 54 $/yr Amortization cost 3840 $/yr Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 864 804 60.3 m3/d Minimum flow 864 804 60.3 m3/d Average flow 864 804 60.3 m3/d Suspended solids 4580 1920 40000 g/m3 % volatile solids 62.2 62.2 62.2 % BOD 2540 1730 13400 g/m3 Soluble BOD 1270 1270 1270 g/m3 COD 7390 4440 46800 g/m3 Soluble COD 3700 3700 3700 g/m3 TKN 50.0 47.5 83.3 gN/m3 Soluble TKN 28.0 28.0 28.0 gN/m3 Ammonia 13.0 13.0 13.0 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 17.0 16.2 28.3 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 10.0 0.0 0.0 g/m3 Oil and grease 100 100 100 g/m3 Summer 23.0 23.0 23.0 deg C temperature Winter temperature 10.0 10.0 10.0 deg C RAFA User Input Data Upflow Anaerobic Sludge Blanket Reactor Description Value Units Reactor Operating Temperature 35.0 deg C Reactor Height 5.0 m Maximum Upflow Velocity 4.1667E-4 m/s Maximum Volumetric Loading Rate 6570.0 kg/(m3·yr) Maximum Sludge Loading Rate 1.0 kg COD/(kg VSS·d) Loading Rate Safety Factor 2.0 COD Removal Efficiency 0.9 Influent COD Acid Fraction 0.9 Influent Solids Retention 0.8 Influent Sulphate 200.0 g/m3 30 de enero de 2018, E. Espino Pag. 16 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Average Biomass Concentration 25.0 kg/m3 Waste Sludge Concentration 1.0 % Yield of Acidogens 0.15 Yield of Methanogens 0.03 Yield of Sulphidogens 0.048 Hydrolysis Rate 0.15 1/d Override Design FALSE Reactor Volume 126.0 m3 Construction Cost Multiplier 525.05 $/m3 Override Database Costs FALSE Standard 3000 gpm Pump and Driver Unit 20500.0 $ UASB Heat Exchanger 2300.0 $ Pump 25.0 years Heat Exchanger 25.0 years Structural 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Upflow Anaerobic Sludge Blanket Reactor Design Information Design SRT 2.58 d Total reactor suspended solids 3150 kg Calculated VSS:TSS ratio 0.617 mg VSS/mg SS Reactor hydraulic retention time 3.76 hr Total volume of reactors 126 m3 Total reactor surface area 25.2 m2 Reactor height 5.0 m Upflow velocity 0.000369 m/s Sludge loading rate 0.5 kgCOD/kgVSS/d Calculated volumetric loading rate for this design 12.5 kg/m3/d User-defined maximum loading rate 18.0 kg/m3/d Calculated maximum loading rate 23.4 kg/m3/d Methane production 0.61 m3 gas/m3 wastewater 30 de enero de 2018, E. Espino Pag. 17 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Potential energy gain from methane 61.3 kW Effluent sulphide COD 88.9 gCOD/m3 Amount of alkalinity required 3.06 meq Estimated alkalinity gained by acid reduction 26.8 meq Amount of sludge wasted 1220 kg/d Nitrogen requirement for biomass growth 5.94 g/m3 Phosphorus requirement for biomass growth 1.48 g/m3 Quantities Operation labor required 1920 pers-hrs/yr Maintenance labor required 492 pers-hrs/yr Costs Construction and equipment cost 269000 $ Operational labor cost 14400 $/yr Maintenance labor cost 2700 $/yr Material and supply cost 5390 $/yr Chemical cost 0 $/yr Energy cost 0 $/yr Amortization cost 53400 $/yr Notes WARNING: SRT is less than 8 days, consider changing user-inputs to increase the SRT. WARNING: Sulphide gas is being produced, odour control may be necessary. Wastewater Pumping Design Information Average daily pumping rate 804 m3/d Total pumping capacity 804 m3/d Design capacity per pump 402 m3/d Number of pumps 3.0 Number of batteries 1.0 Firm pumping capacity 804 m3/d Quantities Operation labor required 361 pers-hrs/yr Maintenance labor required 286 pers-hrs/yr Electrical energy required 7140 kWh/yr Volume of earthwork required 46.3 m3 Area of pump building 19.0 m2 Costs Construction and equipment cost 48800 $ Earthwork Cost 296 $ Pump Building Cost 17100 $ Installed Pump Cost 23900 $ Misc Costs 7440 $ Operational labor cost 2700 $/yr Maintenance labor cost 1570 $/yr Material and supply cost 341 $/yr Chemical cost 0 $/yr Energy cost 714 $/yr Amortization cost 6430 $/yr Waste Sludge Pumping Design Information Average daily pumping rate 122 m3/d Total pumping capacity 122 m3/d 30 de enero de 2018, E. Espino Pag. 18 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Design capacity per pump 61.0 m3/d Number of pumps 3.0 Number of batteries 1.0 Firm pumping capacity 122 m3/d Quantities Operation labor required 283 pers-hrs/yr Maintenance labor required 217 pers-hrs/yr Electrical energy required 1090 kWh/yr Volume of earthwork required 45.5 m3 Area of pump building 18.6 m2 Costs Construction and equipment cost 32500 $ Earthwork Cost 291 $ Pump Building Cost 16800 $ Installed Pump Cost 10400 $ Misc Costs 4950 $ Operational labor cost 2120 $/yr Maintenance labor cost 1190 $/yr Material and supply cost 227 $/yr Chemical cost 0 $/yr Energy cost 109 $/yr Amortization cost 4280 $/yr Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 804 682 122 m3/d Minimum flow 804 682 122 m3/d Average flow 804 682 122 m3/d Suspended solids 1920 385 10000 g/m3 % volatile solids 62.2 62.2 61.7 % BOD 1730 333 1030 g/m3 Soluble BOD 1270 118 118 g/m3 COD 4440 2420 11300 g/m3 Soluble COD 3700 2060 2060 g/m3 TKN 47.5 11.0 252 gN/m3 Soluble TKN 28.0 7.06 7.06 gN/m3 Ammonia 13.0 7.06 7.06 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 16.2 14.7 14.7 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 0.0 0.0 0.0 g/m3 Oil and grease 100 0.0 0.0 g/m3 Summer 23.0 35.0 35.0 deg C temperature Winter temperature 10.0 35.0 35.0 deg C Planta SAGUAPAC User Input Data 30 de enero de 2018, E. Espino Pag. 19 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz User Wastewater Process Description Value Units Suspended Solids 0.0 % Reduction Volatile Solids 0.0 % Reduction BOD 0.0 % Reduction Soluble BOD 0.0 % Reduction COD 0.0 % Reduction Soluble COD 0.0 % Reduction TKN 0.0 % Reduction Soluble TKN 0.0 % Reduction Ammonia 0.0 % Reduction Total Phosphorus 0.0 % Reduction pH 7.0 Cations 0.0 % Reduction Anions 0.0 % Reduction Settleable Solids 0.0 % Reduction Oil and Grease 0.0 % Reduction Nitrite 0.0 % Reduction Nitrate 0.0 % Reduction Average Summer 23.0 deg C Average Winter 10.0 deg C Flow Generated 0.0 m3/d Suspended Solids 0.0 % Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units User Specified Wastewater Process Design Information No Design Data Costs Construction and equipment cost 0 $ Operational labor cost 0 $/yr Maintenance labor cost 0 $/yr Material and supply cost 0 $/yr 30 de enero de 2018, E. Espino Pag. 20 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Chemical cost 0 $/yr Energy cost 0 $/yr Amortization cost 0 $/yr Water Quality Data Parameter Influent Effluent Units Maximum flow 682 682 m3/d Minimum flow 682 682 m3/d Average flow 682 682 m3/d Suspended solids 385 385 g/m3 % volatile solids 62.2 62.2 % BOD 333 333 g/m3 Soluble BOD 118 118 g/m3 COD 2420 2420 g/m3 Soluble COD 2060 2060 g/m3 TKN 11.0 11.0 gN/m3 Soluble TKN 7.06 7.06 gN/m3 Ammonia 7.06 7.06 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 14.7 14.7 gP/m3 pH 7.6 7.0 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 0.0 0.0 g/m3 Oil and grease 0.0 0.0 g/m3 Summer temperature 35.0 23.0 deg C Winter temperature 35.0 10.0 deg C Lagunas User Input Data User Specified Sludge Process Description Value Units Volume Reduction 0.0 % Percent Volatile Solids Destroyed 0.0 % Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 30 de enero de 2018, E. Espino Pag. 21 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz 0.0 $ Design Output Data Description Value Units User Specified Sludge Treatment Process Design Information No Design Data Costs Construction and equipment cost 0 $ Operational labor cost 0 $/yr Maintenance labor cost 0 $/yr Material and supply cost 0 $/yr Chemical cost 0 $/yr Energy cost 0 $/yr Amortization cost 0 $/yr Water Quality Data Parameter Influent Sludge Units Maximum flow 182 182 m3/d Minimum flow 182 182 m3/d Average flow 182 182 m3/d Suspended solids 19900 19900 g/m3 % volatile solids 62.0 0.62 % BOD 5110 545 g/m3 Soluble BOD 499 499 g/m3 COD 23100 2800 g/m3 Soluble COD 2600 2600 g/m3 TKN 196 15.8 gN/m3 Soluble TKN 14.0 14.0 gN/m3 Ammonia 9.03 9.03 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 19.2 19.2 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 0.0 0.0 g/m3 Oil and grease 33.1 33.1 g/m3 Summer temperature 31.0 31.0 deg C Winter temperature 26.7 26.7 deg C 30 de enero de 2018, E. Espino Pag. 22 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz C 1.- Mecanizada con lechos de secado Summary Equipment Database Hydromantis 2014,(USA Avg) Layout Summary Description Value Units CONSTRUCTION COSTS Unit process construction costs $3,340,000 $ Other direct construction costs $370,000 $ Other indirect construction costs $0 $ Total construction costs $3,710,000 $ 30 de enero de 2018, E. Espino Pag. 23 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz ANNUAL COSTS LABOR COSTS Administration labor cost $823 $/yr Laboratory labor cost $14,700 $/yr Unit process operation labor cost $66,400 $/yr Unit process maintenance labor cost $26,800 $/yr Total labor costs $109,000 $/yr MATERIAL COSTS Total material cost $33,500 $/yr CHEMICAL COSTS Total chemical cost $0 $/yr ENERGY COSTS Total energy cost $24,100 $/yr Total operation and maintanence cost $166,000 $/yr CONSTRUCTION COST AMORTIZATION Amortization cost for total construction cost $516,000 $/yr Total annual project cost $683,000 $/yr PROJECT SUMMARY Present worth $5,170,000 $ Total project cost $3,710,000 $ Total operation labor cost $81,900 $/yr Total maintenance labor cost $26,800 $/yr Total material cost $33,500 $/yr Total chemical cost $0 $/yr Total energy cost $24,100 $/yr Total amortization cost $516,000 $/yr Process Summary Process Constructio Operation Maintenanc Material Chemical Energy Amortizatio n ($) ($/yr) e ($/yr) ($/yr) ($/yr) ($/yr) n ($/yr) Regulación 153000 1760 830 920 0 9690 20600 Trat. preliminar 34700 2730 1310 867 0 807 4480 Sedimentación 1ria 125000 4610 2380 1160 0 814 16800 RAFA 370000 21400 6250 6290 0 980 67800 Gravity Thickening 208000 3040 1860 2080 0 720 28400 Anaerobic Digestion 1940000 10300 5280 17600 0 11100 263000 Lechos de secado 511000 22500 8940 4600 0 0 66700 Planta SAGUAPAC 0 0 0 0 0 0 0 Monorrelleno 0 0 0 0 0 0 0 Other Costs 370000 15500 0 0 0 0 48800 Summary of Other Costs for Layout 30 de enero de 2018, E. Espino Pag. 24 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Description Value Units Other Costs Quantities Required land 3.64 ha Administration labor hours 110 hr/yr Laboratory labor hours 1960 hr/yr Costs DIRECT COSTS Site electrical 103000 $ Yard piping 73300 $ Instrumentation and control 44700 $ Lab and administration buildings 149000 $ Total direct construction costs 370000 $ INDIRECT COSTS Cost of land 0 $ Miscellaneous cost 0 $ Legal cost 0 $ Engineering design fee 0 $ Inspection cost 0 $ Contingency 0 $ Technical 0 $ Interest during construction 0 $ Profit 0 $ Total indirect construction costs 0 $ Total of other construction costs 370000 $ LABOR COSTS Administration labor cost 823 $/yr Laboratory labor cost 14700 $/yr Afluente User Input Data Description Value Units Average Flow 10.0 L/s Minimum Flow 8.0 L/s Maximum Flow 12.0 L/s Suspended Solids 4579.0 g/m3 % Volatile Solids 62.219 % BOD 2822.0 g/m3 Soluble BOD 1411.0 g/m3 COD 7675.0 g/m3 Soluble COD 3837.0 g/m3 TKN 50.0 gN/m3 Soluble TKN 28.0 gN/m3 Ammonia 13.0 gN/m3 Total Phosphorus 17.0 gP/m3 pH 7.6 Cations 160.0 g/m3 Anions 160.0 g/m3 30 de enero de 2018, E. Espino Pag. 25 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Settleable Solids 10.0 mL/L Oil and Grease 100.0 g/m3 Nitrite 0.0 gN/m3 Nitrate 0.0 gN/m3 Non-Degradable Fraction of VSS 40.0 % Average Summer 23.0 deg C Average Winter 10.0 deg C Water Quality Data Parameter Influent Effluent Units Maximum flow 1040 1040 m3/d Minimum flow 691 691 m3/d Average flow 864 864 m3/d Suspended solids 4580 4580 g/m3 % volatile solids 62.2 62.2 % BOD 2820 2820 g/m3 Soluble BOD 1410 1410 g/m3 COD 7680 7680 g/m3 Soluble COD 3840 3840 g/m3 TKN 50.0 50.0 gN/m3 Soluble TKN 28.0 28.0 gN/m3 Ammonia 13.0 13.0 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 17.0 17.0 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 10.0 10.0 g/m3 Oil and grease 100 100 g/m3 Summer temperature 23.0 23.0 deg C Winter temperature 10.0 10.0 deg C Regulación User Input Data Equalization Description Value Units Oxygen Requirements 360.01 g/m3/d Pressure Correction Coefficient 1.0 Dissolved Oxygen 2.0 g/m3 Depth of Basin 1.8288 m Minimum Water Level 1.524 m Design Based On Default - 20% Avg. Flow Volume of Basin 0.0 m3 Basin Type Concrete Basin Alpha Factor for Oxygen Transfer in Wastewater 0.9 Beta Factor for Oxygen Saturation in Wastewater 0.95 Minimum hp Required for Mixing 0.011811 kW/m3 Standard Oxygen Transfer Efficiency 3.0419 kgO2/kWh Override Database Costs FALSE Standard 50 hp High Speed Floating Aerator 29000.0 $ 30 de enero de 2018, E. Espino Pag. 26 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz 1 sqft of Installed Liner 2.5 $ Floating Aerator 15.0 years Capital Cost 40.0 years Liner Life - Earthen Basin 15.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Equalization Design Information Effective storage volume 173 m3 Average hourly flow 864 m3/d Length of basin 23.9 m Width of basin 23.9 m Tank volume 1040 m3 Operating transfer efficiency 1.92 kgO2/kWh Power required 12.3 kW Quantities Volume of earthwork required 1740 m3 Volume of slab concrete required 130 m3 Volume of wall concrete required 53.2 m3 Number of aerators per basin 2.0 Power of selected aerator 7.46 kW Total installed power 14.9 kW Operational labor required 234 pers-hrs/yr Maintenance labor required 140 pers-hrs/yr Electrical energy required 96900 kWh/yr Costs Construction and equipment cost 153000 $ Earthwork Cost 11100 $ Wall Concrete Cost 37200 $ Slab Concrete Cost 65000 $ Installed Aerator Equipment Cost 32300 $ Misc Costs 7280 $ Operational labor cost 1760 $/yr 30 de enero de 2018, E. Espino Pag. 27 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Maintenance labor cost 830 $/yr Material and supply cost 920 $/yr Chemical cost 0 $/yr Energy cost 9690 $/yr Amortization cost 20600 $/yr Water Quality Data Parameter Influent Effluent Units Maximum flow 1040 864 m3/d Minimum flow 691 864 m3/d Average flow 864 864 m3/d Suspended solids 4580 4580 g/m3 % volatile solids 62.2 62.2 % BOD 2820 2540 g/m3 Soluble BOD 1410 1270 g/m3 COD 7680 7390 g/m3 Soluble COD 3840 3700 g/m3 TKN 50.0 50.0 gN/m3 Soluble TKN 28.0 28.0 gN/m3 Ammonia 13.0 13.0 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 17.0 17.0 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 10.0 10.0 g/m3 Oil and grease 100 100 g/m3 Summer temperature 23.0 23.0 deg C Winter temperature 10.0 10.0 deg C Trat. preliminar User Input Data Screening Description Value Units Cleaning Method Mechanically Cleaned Mechanically Cleaned Depth 0.3048 m Manually Cleaned Depth 0.60961 m Width 0.63576 cm Space 3.8146 cm Slope 30.0 degrees Shape Factor 2.42 Approach 0.76201 m/s Max 0.91441 m/s Ave 0.76201 m/s Grit Removal Description Value Units Particle Size 0.02 cm Specific Gravity 2.65 Type of Grit Removal Horizontal 30 de enero de 2018, E. Espino Pag. 28 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Number of Units 2.0 Design By Depth Depth 1.2192 m Width 1.2192 m Current Allowance 1.7 Manning Coefficient 0.035 Volume of Grit 2.9922E-5 m3 grit/m3 Detention Time 2.5 min Air Supply per Unit Length of Tank 0.27871 N m3/min/m Surface Velocity 0.45721 m/s Tank Floor Velocity 0.3048 m/s Capital Cost 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Preliminary Treatment Design Information Mechanically Cleaned Bar Screen Bar size 0.636 cm Bar spacing 3.81 cm Slope of bars from horizontal 30.0 degrees Head loss through screen 0.00628 m Approach velocity 0.762 m/s Average flow through velocity (screen) 0.762 m/s Maximum flow through velocity (screen) 0.914 m/s Screen channel width 0.0429 m Average channel depth 0.305 m Horizontal Flow Grit Chamber Maximum flow 860 m3/d Average flow 860 m3/d Minimum flow 860 m3/d Temperature 10.0 deg C Maximum flow through velocity (grit chamber) 0.457 m/s Average flow through velocity (grit chamber) 0.305 m/s 30 de enero de 2018, E. Espino Pag. 29 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Size of smallest particle 100% removed 0.02 cm Specific gravity of particle 2.65 Number of units 2.0 Maximum flow/unit 430 m3/d Width of channel 0.00893 m Depth of channel 1.22 m Length of channel 44.0 m Settling velocity of particle 0.0215 m/s Slope of channel bottom 0.155 Allowance for currents 1.7 Manning coefficient 0.035 Hydraulic retention time 1.6 min Volume of grit 0.0259 m3/d Costs Construction and equipment cost 34700 $ Operational labor cost 2730 $/yr Maintenance labor cost 1310 $/yr Material and supply cost 867 $/yr Chemical cost 0 $/yr Energy cost 807 $/yr Amortization cost 4480 $/yr Water Quality Data Parameter Influent Effluent Units Maximum flow 864 864 m3/d Minimum flow 864 864 m3/d Average flow 864 864 m3/d Suspended solids 4580 4580 g/m3 % volatile solids 62.2 62.2 % BOD 2540 2540 g/m3 Soluble BOD 1270 1270 g/m3 COD 7390 7390 g/m3 Soluble COD 3700 3700 g/m3 TKN 50.0 50.0 gN/m3 Soluble TKN 28.0 28.0 gN/m3 Ammonia 13.0 13.0 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 17.0 17.0 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 10.0 10.0 g/m3 Oil and grease 100 100 g/m3 Summer temperature 23.0 23.0 deg C Winter temperature 10.0 10.0 deg C Sedimentación 1ria User Input Data Primary Clarification Description Value Units 30 de enero de 2018, E. Espino Pag. 30 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Design Basis Average Flow Surface Overflow Rate 40.746 m3/(m2·d) Sidewater Depth 2.7432 m Specific Gravity 1.05 Underflow Concentration 4.0 % Weir Overflow Rate 186.3 m3/(m·d) Type of Clarifier Circular Suspended Solids 58.0 % BOD 32.0 % COD 40.0 % TKN 5.0 % Phosphorus 5.0 % Override Design FALSE Length-Rectangular Only 0.0 m Width-Rectangular Only 0.0 m Diameter-Circular Only 14.0 ft Excavation Depth 4.0 ft Number of Tanks per Battery 2.0 Number of Batteries 1.0 Override Database Costs FALSE Standard 20 X 120 ft Rectangular Clarifier Mechanism 126000.0 $ Standard 90 ft Diameter Circular Mechanism 105000.0 $ Standard 3000 gpm Pump and Driver Unit 20500.0 $ Mechanical 20.0 years Structural 40.0 years Pump 25.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Primary Clarification Design Information Surface area 25.3 m2 Surface area per circular clarifier 12.6 m2 Diameter of each circular clarifier 4.27 m 30 de enero de 2018, E. Espino Pag. 31 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Number of clarifiers per battery 2.0 Number of batteries 1.0 Solids loading rate 187 kg/(m2·d) Hydraulic retention time 1.62 hr Weir length 5.53 m Volume of sludge generated 71.9 m3/d Quantities Operation labor required 350 pers-hrs/yr Maintenance labor required 200 pers-hrs/yr Electrical energy required 7500 kWh/yr Volume of earthwork required 162 m3 Slab thickness 25.8 cm Volume of slab concrete required 12.8 m3 Wall thickness 29.2 cm Volume of wall concrete required 31.2 m3 Costs Construction and equipment cost 94900 $ Earthwork Cost 1030 $ Wall Concrete Cost 21900 $ Slab Concrete Cost 6400 $ Installed Equipment Cost 51200 $ Misc Costs 14500 $ Operational labor cost 2620 $/yr Maintenance labor cost 1190 $/yr Material and supply cost 949 $/yr Chemical cost 0 $/yr Energy cost 750 $/yr Amortization cost 12900 $/yr Waste Sludge Pumping Design Information Average daily pumping rate 71.9 m3/d Total pumping capacity 71.9 m3/d Design capacity per pump 35.9 m3/d Number of pumps 3.0 Number of batteries 1.0 Firm pumping capacity 71.9 m3/d Quantities Operation labor required 264 pers-hrs/yr Maintenance labor required 200 pers-hrs/yr Electrical energy required 642 kWh/yr Volume of earthwork required 45.4 m3 Area of pump building 18.6 m2 Costs Construction and equipment cost 29900 $ Earthwork Cost 291 $ Pump Building Cost 16800 $ Installed Pump Cost 8270 $ Misc Costs 4560 $ Operational labor cost 1980 $/yr Maintenance labor cost 1190 $/yr Material and supply cost 209 $/yr 30 de enero de 2018, E. Espino Pag. 32 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Chemical cost 0 $/yr Energy cost 64 $/yr Amortization cost 3940 $/yr Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 1030 958 71.9 m3/d Minimum flow 1030 958 71.9 m3/d Average flow 1030 958 71.9 m3/d Suspended solids 4580 1920 40000 g/m3 % volatile solids 62.2 62.2 62.2 % BOD 2340 1590 12300 g/m3 Soluble BOD 1130 1130 1130 g/m3 COD 7200 4320 45600 g/m3 Soluble COD 3450 3450 3450 g/m3 TKN 72.7 69.1 121 gN/m3 Soluble TKN 28.9 28.9 28.9 gN/m3 Ammonia 28.9 28.9 28.9 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 17.4 16.6 29.1 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 8.39 0.0 0.0 g/m3 Oil and grease 88.6 88.6 88.6 g/m3 Summer 24.4 24.4 24.4 deg C temperature Winter temperature 12.8 12.8 12.8 deg C RAFA User Input Data Upflow Anaerobic Sludge Blanket Reactor Description Value Units Reactor Operating Temperature 35.0 deg C Reactor Height 5.0 m Maximum Upflow Velocity 4.1667E-4 m/s Maximum Volumetric Loading Rate 6570.0 kg/(m3·yr) Maximum Sludge Loading Rate 1.0 kg COD/(kg VSS·d) Loading Rate Safety Factor 2.0 COD Removal Efficiency 0.9 Influent COD Acid Fraction 0.9 Influent Solids Retention 0.8 Influent Sulphate 200.0 g/m3 Average Biomass Concentration 25.0 kg/m3 Waste Sludge Concentration 1.0 % Yield of Acidogens 0.15 Yield of Methanogens 0.03 Yield of Sulphidogens 0.048 Hydrolysis Rate 0.15 1/d Override Design FALSE 30 de enero de 2018, E. Espino Pag. 33 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Reactor Volume 135.0 m3 Construction Cost Multiplier 515.97 $/m3 Override Database Costs FALSE Standard 3000 gpm Pump and Driver Unit 20500.0 $ UASB Heat Exchanger 2300.0 $ Pump 25.0 years Heat Exchanger 25.0 years Structural 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Upflow Anaerobic Sludge Blanket Reactor Design Information Design SRT 2.33 d Total reactor suspended solids 3380 kg Calculated VSS:TSS ratio 0.616 mg VSS/mg SS Reactor hydraulic retention time 3.38 hr Total volume of reactors 135 m3 Total reactor surface area 27.0 m2 Reactor height 5.0 m Upflow velocity 0.000411 m/s Sludge loading rate 0.5 kgCOD/kgVSS/d Calculated volumetric loading rate for this design 12.5 kg/m3/d User-defined maximum loading rate 18.0 kg/m3/d Calculated maximum loading rate 23.4 kg/m3/d Methane production 0.543 m3 gas/m3 wastewater Potential energy gain from methane 65.0 kW Effluent sulphide COD 88.9 gCOD/m3 Amount of alkalinity required 2.99 meq Estimated alkalinity gained by acid reduction 23.8 meq Amount of sludge wasted 1450 kg/d Nitrogen requirement for biomass growth 5.54 g/m3 Phosphorus requirement for biomass growth 1.38 g/m3 Quantities 30 de enero de 2018, E. Espino Pag. 34 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Operation labor required 2200 pers-hrs/yr Maintenance labor required 534 pers-hrs/yr Costs Construction and equipment cost 285000 $ Operational labor cost 16500 $/yr Maintenance labor cost 3180 $/yr Material and supply cost 5700 $/yr Chemical cost 0 $/yr Energy cost 0 $/yr Amortization cost 56600 $/yr Notes WARNING: SRT is less than 8 days, consider changing user-inputs to increase the SRT. WARNING: Sulphide gas is being produced, odour control may be necessary. Wastewater Pumping Design Information Average daily pumping rate 958 m3/d Total pumping capacity 958 m3/d Design capacity per pump 479 m3/d Number of pumps 3.0 Number of batteries 1.0 Firm pumping capacity 958 m3/d Quantities Operation labor required 369 pers-hrs/yr Maintenance labor required 294 pers-hrs/yr Electrical energy required 8510 kWh/yr Volume of earthwork required 46.4 m3 Area of pump building 19.0 m2 Costs Construction and equipment cost 51100 $ Earthwork Cost 297 $ Pump Building Cost 17100 $ Installed Pump Cost 25900 $ Misc Costs 7800 $ Operational labor cost 2770 $/yr Maintenance labor cost 1750 $/yr Material and supply cost 358 $/yr Chemical cost 0 $/yr Energy cost 851 $/yr Amortization cost 6740 $/yr Waste Sludge Pumping Design Information Average daily pumping rate 145 m3/d Total pumping capacity 145 m3/d Design capacity per pump 72.6 m3/d Number of pumps 3.0 Number of batteries 1.0 Firm pumping capacity 145 m3/d Quantities Operation labor required 289 pers-hrs/yr Maintenance labor required 222 pers-hrs/yr Electrical energy required 1290 kWh/yr 30 de enero de 2018, E. Espino Pag. 35 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Volume of earthwork required 45.5 m3 Area of pump building 18.7 m2 Costs Construction and equipment cost 33400 $ Earthwork Cost 291 $ Pump Building Cost 16800 $ Installed Pump Cost 11300 $ Misc Costs 5100 $ Operational labor cost 2170 $/yr Maintenance labor cost 1320 $/yr Material and supply cost 234 $/yr Chemical cost 0 $/yr Energy cost 129 $/yr Amortization cost 4410 $/yr Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 958 813 145 m3/d Minimum flow 958 813 145 m3/d Average flow 958 813 145 m3/d Suspended solids 1920 385 10000 g/m3 % volatile solids 62.2 62.2 61.6 % BOD 1590 320 1010 g/m3 Soluble BOD 1130 105 105 g/m3 COD 4320 2360 11200 g/m3 Soluble COD 3450 2000 2000 g/m3 TKN 69.1 31.4 280 gN/m3 Soluble TKN 28.9 23.4 23.4 gN/m3 Ammonia 28.9 23.4 23.4 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 16.6 15.2 15.2 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 0.0 0.0 0.0 g/m3 Oil and grease 88.6 0.0 0.0 g/m3 Summer 24.4 35.0 35.0 deg C temperature Winter temperature 12.8 35.0 35.0 deg C Gravity Thickening User Input Data Gravity Thickening Description Value Units Underflow Concentration 5.0 % Depth 2.7432 m Based On Mass Loading Mass Loading 48.824 kg/(m2·d) Settling Velocity 2.1167E-4 m/s Initial Height 1.2192 m 30 de enero de 2018, E. Espino Pag. 36 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Intercept 0.91441 m Override Design FALSE Surface Area per Thickener 476.51 sqft Number of Units 2.0 Override Database Costs FALSE Standard 90 ft Diameter Thickener 154000.0 $ Thickener 20.0 years Structural 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Gravity Thickening Design Information Initial concentration 1.99 % Thickened concentration 5.0 % Mass loading 48.8 kg/(m2·d) Hydraulic loading 2.45 m3/(m2·d) Hydraulic retention time 26.9 hr Number of tanks 2.0 Tank volume 243 m3 Depth 2.74 m Surface area per tank 44.3 m2 Tank diameter 7.62 m Quantities Amount of sludge generated 4320 kg/d Volume of thickened sludge 74.2 m3/d Operation labor required 405 pers-hrs/yr Maintenance labor required 312 pers-hrs/yr Electrical energy required 7200 kWh/yr Volume of earthwork required 382 m3 Slab thickness 25.8 cm Volume of slab concrete required 33.2 m3 Wall thickness 29.2 cm Volume of wall concrete required 50.9 m3 30 de enero de 2018, E. Espino Pag. 37 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Costs Construction and equipment cost 208000 $ Earthwork Cost 2450 $ Wall Concrete Cost 35700 $ Slab Concrete Cost 16600 $ Installed Equipment Cost 122000 $ Misc Costs 31800 $ Operational labor cost 3040 $/yr Maintenance labor cost 1860 $/yr Material and supply cost 2080 $/yr Chemical cost 0 $/yr Energy cost 720 $/yr Amortization cost 28400 $/yr Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 217 143 74.2 m3/d Minimum flow 217 143 74.2 m3/d Average flow 217 143 74.2 m3/d Suspended solids 19900 4330 50000 g/m3 % volatile solids 62.0 62.0 62.0 % BOD 4770 1380 11300 g/m3 Soluble BOD 444 444 444 g/m3 COD 22600 6850 53000 g/m3 Soluble COD 2480 2480 2480 g/m3 TKN 228 69.1 533 gN/m3 Soluble TKN 25.2 25.2 25.2 gN/m3 Ammonia 25.2 25.2 25.2 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 19.8 19.8 19.8 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 0.0 0.0 0.0 g/m3 Oil and grease 29.4 29.4 29.4 g/m3 Summer 31.5 31.5 31.5 deg C temperature Winter temperature 27.7 27.7 27.7 deg C Anaerobic Digestion User Input Data Anaerobic Digestion Description Value Units Specific Gravity 1.05 Percent Volatile Solids Destroyed 50.0 % Concentration in Digester 5.0 % Minimum Detention Time in Primary Digester 15.0 d Location Warm-Winter > 10 Deg C Raw Wastewater 20.0 deg C Digester 40.0 deg C 30 de enero de 2018, E. Espino Pag. 38 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Fraction of Influent Flow Returned as Supernantant 2.0 % Suspended Solids 6250.0 g/m3 BOD 1000.0 g/m3 COD 2150.0 g/m3 TKN 950.0 gN/m3 Ammonia 650.0 g/m3 Override Design FALSE Diameter 45.0 ft Sidewater Depth 23.543 ft Number of Primary Digester Tanks 1.0 Number of Secondary Digester Tanks 1.0 Number of Batteries 1.0 Override Database Costs FALSE Standard 70 ft Diameter Floating Cover 470000.0 $ Standard 60 ft Diameter Gas Circulation Unit 140000.0 $ Standard 1 Million Btu/Hr Heating Unit 58000.0 $ Standard 2 in Diameter Gas Safety Equipment 46000.0 $ Standard Size Sludge Pump 8gpm At 70 ft of Head 6300.0 $ Natural Gas Per 1000 cuft 9.3 $ Floating Cover 20.0 years Gas Circulation Unit 20.0 years Heating Unit 20.0 years Gas Safety Equipment 20.0 years Sludge Pump 25.0 years Structural 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Anaerobic Digestion Design Information Percent VSS destroyed 50.0 % Solids concentration in digester 5.0 % Detention time 15.0 d Digester depth 7.18 m 30 de enero de 2018, E. Espino Pag. 39 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Digester diameter 13.7 m Effective digester volume 2290 m3 Number of digesters per battery 2.0 Number of primary digesters per battery 1.0 Number of secondary digesters per battery 1.0 Number of batteries 1.0 Gas produced 1130 m3/d Heat required 421000 BTU/hr Digester gas required 662 m3/d Total natural gas required 0.0 m3/d Quantities Operation labor required 1370 pers-hrs/yr Maintenance labor required 888 pers-hrs/yr Electrical energy required 111000 kWh/yr Volume of earthwork required 2280 m3 Slab thickness 25.3 cm Volume of slab concrete required 84.9 m3 Wall thickness 49.0 cm Volume of wall concrete required 379 m3 Sidewater depth 7.18 m Surface area/floor of 2-story control bldg 55.3 m2 Piping size 15.3 cm Length of total piping system 148 m Number of 90 degree elbows 26.0 Number of tees 51.0 Number of plug valves 37.0 Total dry solids treated 3890 kg/d Costs Construction and equipment cost 1940000 $ Earthwork Cost 14600 $ Wall Concrete Cost 265000 $ Slab Concrete Cost 42400 $ Building Cost 49800 $ Piping System Cost 197000 $ Floating Cover Cost 615000 $ Gas Recirculation Units Cost 225000 $ Heating Units Cost 161000 $ Gas Safety Equipment Cost 102000 $ Installed Pumps Cost 72200 $ Operational labor cost 10300 $/yr Maintenance labor cost 5280 $/yr Material and supply cost 17600 $/yr Chemical cost 0 $/yr Energy cost 11100 $/yr Amortization cost 263000 $/yr Notes Mass balance based on user input Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 74.2 23.0 51.2 m3/d 30 de enero de 2018, E. Espino Pag. 40 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Minimum flow 74.2 23.0 51.2 m3/d Average flow 74.2 23.0 51.2 m3/d Suspended solids 50000 6250 50000 g/m3 % volatile solids 62.0 62.0 44.9 % BOD 11300 1000 3140 g/m3 Soluble BOD 444 100 100 g/m3 COD 53000 2150 31400 g/m3 Soluble COD 2480 215 215 g/m3 TKN 533 950 1550 gN/m3 Soluble TKN 25.2 25.2 25.2 gN/m3 Ammonia 25.2 650 650 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 19.8 19.8 19.8 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 0.0 0.0 0.0 g/m3 Oil and grease 29.4 29.4 29.4 g/m3 Summer 31.5 31.5 31.5 deg C temperature Winter temperature 27.7 27.7 27.7 deg C Lechos de secado User Input Data Drying Beds Description Value Units Depth Applied 30.516 cm Time to Drain 2.0 d Drained Solids 20.0 % Final Solids 50.0 % Evaporation Rate 127.0 mm/month Rainfall 76.2 mm/month Correction for Evaporation 0.75 Fraction Absorbed 0.57 Override Design FALSE Total Surface Area Requirement 51458.0 sqft Width of Drying Beds 20.0 ft Number of Drying Beds 18.0 Depth of Gravel 12.0 in Depth of Sand 9.0 in Override Database Costs FALSE 1 ft of Perforated PVC Pipe in Place:4-in Diam. 8.1 $ 1 ft of Perforated PVC Pipe in Place:6-in Diam. 12.0 $ 1 ft of Perforated PVC Pipe in Place:8-in Diam. 16.8 $ 1 cuyd of Sand in Place 30.0 $ 1 cuyd of Gravel in Place 18.6 $ Pipe 20.0 years Structural 40.0 years Cost Override 30 de enero de 2018, E. Espino Pag. 41 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Sludge Drying Beds Design Information Total surface area required 4780 m2 Initial depth of sludge 30.5 cm Final solids 50.0 % Bed holding time 28.5 d Quantities Total drying bed surface area 4780 m2 Number beds 18.0 Surface area of each individual bed 266 m2 Length of each bed 43.6 m Volume of earthwork required 7180 m3 Volume concrete for dividing wall 492 m3 Volume of R.C. in-place for truck tracks 109 m3 Volume of sand 1090 m3 Volume of gravel 1460 m3 Clay pipe diameter 15.3 cm Total length clay pipe 13100 cm Sludge solids produced 2560 kg/d Operational labor required 3010 pers-hrs/yr Maintenance labor required 1500 pers-hrs/yr Costs Construction and equipment cost 511000 $ Earthwork Cost 45900 $ Wall Concrete Cost 241000 $ Slab Concrete Cost 32800 $ Drying Bed Media Cost 78300 $ Drain Pipe System Cost 61700 $ Misc Costs 50600 $ Operational labor cost 22500 $/yr Maintenance labor cost 8940 $/yr Material and supply cost 4600 $/yr Chemical cost 0 $/yr 30 de enero de 2018, E. Espino Pag. 42 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Energy cost 0 $/yr Amortization cost 66700 $/yr Water Quality Data Parameter Influent Sludge Units Maximum flow 51.2 5.12 m3/d Minimum flow 51.2 5.12 m3/d Average flow 51.2 5.12 m3/d Suspended solids 50000 500000 g/m3 % volatile solids 44.9 44.9 % BOD 3140 30500 g/m3 Soluble BOD 100 100 g/m3 COD 31400 312000 g/m3 Soluble COD 215 215 g/m3 TKN 1550 15300 gN/m3 Soluble TKN 25.2 25.2 gN/m3 Ammonia 650 650 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 19.8 19.8 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 0.0 0.0 g/m3 Oil and grease 29.4 29.4 g/m3 Summer temperature 31.5 31.5 deg C Winter temperature 27.7 27.7 deg C Planta SAGUAPAC User Input Data User Wastewater Process Description Value Units Suspended Solids 0.0 % Reduction Volatile Solids 0.0 % Reduction BOD 0.0 % Reduction Soluble BOD 0.0 % Reduction COD 0.0 % Reduction Soluble COD 0.0 % Reduction TKN 0.0 % Reduction Soluble TKN 0.0 % Reduction Ammonia 0.0 % Reduction Total Phosphorus 0.0 % Reduction pH 7.0 Cations 0.0 % Reduction Anions 0.0 % Reduction Settleable Solids 0.0 % Reduction Oil and Grease 0.0 % Reduction Nitrite 0.0 % Reduction Nitrate 0.0 % Reduction Average Summer 23.0 deg C Average Winter 10.0 deg C 30 de enero de 2018, E. Espino Pag. 43 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Flow Generated 0.0 m3/d Suspended Solids 0.0 % Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units User Specified Wastewater Process Design Information No Design Data Costs Construction and equipment cost 0 $ Operational labor cost 0 $/yr Maintenance labor cost 0 $/yr Material and supply cost 0 $/yr Chemical cost 0 $/yr Energy cost 0 $/yr Amortization cost 0 $/yr Water Quality Data Parameter Influent Effluent Units Maximum flow 813 813 m3/d Minimum flow 813 813 m3/d Average flow 813 813 m3/d Suspended solids 385 385 g/m3 % volatile solids 62.2 62.2 % BOD 320 320 g/m3 Soluble BOD 105 105 g/m3 COD 2360 2360 g/m3 Soluble COD 2000 2000 g/m3 TKN 31.4 31.4 gN/m3 Soluble TKN 23.4 23.4 gN/m3 Ammonia 23.4 23.4 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 15.2 15.2 gP/m3 30 de enero de 2018, E. Espino Pag. 44 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz pH 7.6 7.0 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 0.0 0.0 g/m3 Oil and grease 0.0 0.0 g/m3 Summer temperature 35.0 23.0 deg C Winter temperature 35.0 10.0 deg C Monorrelleno User Input Data User Specified Sludge Process Description Value Units Volume Reduction 0.0 % Percent Volatile Solids Destroyed 0.0 % Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units User Specified Sludge Treatment Process Design Information No Design Data Costs Construction and equipment cost 0 $ Operational labor cost 0 $/yr Maintenance labor cost 0 $/yr Material and supply cost 0 $/yr Chemical cost 0 $/yr Energy cost 0 $/yr Amortization cost 0 $/yr Water Quality Data Parameter Influent Sludge Units Maximum flow 5.12 5.12 m3/d Minimum flow 5.12 5.12 m3/d Average flow 5.12 5.12 m3/d 30 de enero de 2018, E. Espino Pag. 45 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Suspended solids 500000 500000 g/m3 % volatile solids 44.9 0.449 % BOD 30500 404 g/m3 Soluble BOD 100 100 g/m3 COD 312000 3340 g/m3 Soluble COD 215 215 g/m3 TKN 15300 177 gN/m3 Soluble TKN 25.2 25.2 gN/m3 Ammonia 650 650 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 19.8 19.8 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 0.0 0.0 g/m3 Oil and grease 29.4 29.4 g/m3 Summer temperature 31.5 31.5 deg C Winter temperature 27.7 27.7 deg C 30 de enero de 2018, E. Espino Pag. 46 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz C 2.- Mecanizada con filtros prensa Summary Equipment Database Hydromantis 2014,(USA Avg) Layout Summary Description Value Units CONSTRUCTION COSTS Unit process construction costs $3,550,000 $ Other direct construction costs $370,000 $ Other indirect construction costs $0 $ Total construction costs $3,920,000 $ ANNUAL COSTS LABOR COSTS Administration labor cost $823 $/yr Laboratory labor cost $14,700 $/yr Unit process operation labor cost $45,700 $/yr Unit process maintenance labor cost $17,600 $/yr 30 de enero de 2018, E. Espino Pag. 47 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Total labor costs $78,800 $/yr MATERIAL COSTS Total material cost $29,000 $/yr CHEMICAL COSTS Total chemical cost $32,100 $/yr ENERGY COSTS Total energy cost $29,900 $/yr Total operation and maintanence cost $170,000 $/yr CONSTRUCTION COST AMORTIZATION Amortization cost for total construction cost $547,000 $/yr Total annual project cost $717,000 $/yr PROJECT SUMMARY Present worth $5,430,000 $ Total project cost $3,920,000 $ Total operation labor cost $61,200 $/yr Total maintenance labor cost $17,600 $/yr Total material cost $29,000 $/yr Total chemical cost $32,100 $/yr Total energy cost $29,900 $/yr Total amortization cost $547,000 $/yr Process Summary Process Constructio Operation Maintenanc Material Chemical Energy Amortizatio n ($) ($/yr) e ($/yr) ($/yr) ($/yr) ($/yr) n ($/yr) Regulación 153000 1760 803 920 0 9690 20600 Trat. preliminar 34700 2730 1270 867 0 807 4480 Sedimentación 1ria 125000 4610 2300 1160 0 814 16800 RAFA 373000 21800 6060 6350 0 1010 68200 Espesamiento 208000 3040 1800 2080 0 720 28400 gravimétrico Digestión anaeróbica 1940000 10300 5110 17600 0 11100 263000 Filtro prensa 726000 1410 271 0 32100 5740 97200 Planta SAGUAPAC 0 0 0 0 0 0 0 Monorrelleno 0 0 0 0 0 0 0 Other Costs 370000 15500 0 0 0 0 48800 Summary of Other Costs for Layout Description Value Units Other Costs Quantities Required land 3.64 ha Administration labor hours 110 hr/yr Laboratory labor hours 1960 hr/yr Costs 30 de enero de 2018, E. Espino Pag. 48 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz DIRECT COSTS Site electrical 103000 $ Yard piping 73300 $ Instrumentation and control 44700 $ Lab and administration buildings 149000 $ Total direct construction costs 370000 $ INDIRECT COSTS Cost of land 0 $ Miscellaneous cost 0 $ Legal cost 0 $ Engineering design fee 0 $ Inspection cost 0 $ Contingency 0 $ Technical 0 $ Interest during construction 0 $ Profit 0 $ Total indirect construction costs 0 $ Total of other construction costs 370000 $ LABOR COSTS Administration labor cost 823 $/yr Laboratory labor cost 14700 $/yr Afluente User Input Data Description Value Units Average Flow 10.0 L/s Minimum Flow 8.0 L/s Maximum Flow 12.0 L/s Suspended Solids 4579.0 g/m3 % Volatile Solids 62.219 % BOD 2822.0 g/m3 Soluble BOD 1411.0 g/m3 COD 7675.0 g/m3 Soluble COD 3837.0 g/m3 TKN 50.0 gN/m3 Soluble TKN 28.0 gN/m3 Ammonia 13.0 gN/m3 Total Phosphorus 17.0 gP/m3 pH 7.6 Cations 160.0 g/m3 Anions 160.0 g/m3 Settleable Solids 10.0 mL/L Oil and Grease 100.0 g/m3 Nitrite 0.0 gN/m3 Nitrate 0.0 gN/m3 Non-Degradable Fraction of VSS 40.0 % Average Summer 23.0 deg C Average Winter 10.0 deg C 30 de enero de 2018, E. Espino Pag. 49 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Water Quality Data Parameter Influent Effluent Units Maximum flow 1040 1040 m3/d Minimum flow 691 691 m3/d Average flow 864 864 m3/d Suspended solids 4580 4580 g/m3 % volatile solids 62.2 62.2 % BOD 2820 2820 g/m3 Soluble BOD 1410 1410 g/m3 COD 7680 7680 g/m3 Soluble COD 3840 3840 g/m3 TKN 50.0 50.0 gN/m3 Soluble TKN 28.0 28.0 gN/m3 Ammonia 13.0 13.0 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 17.0 17.0 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 10.0 10.0 g/m3 Oil and grease 100 100 g/m3 Summer temperature 23.0 23.0 deg C Winter temperature 10.0 10.0 deg C Regulación User Input Data Equalization Description Value Units Oxygen Requirements 360.01 g/m3/d Pressure Correction Coefficient 1.0 Dissolved Oxygen 2.0 g/m3 Depth of Basin 1.8288 m Minimum Water Level 1.524 m Design Based On Default - 20% Avg. Flow Volume of Basin 0.0 m3 Basin Type Concrete Basin Alpha Factor for Oxygen Transfer in Wastewater 0.9 Beta Factor for Oxygen Saturation in Wastewater 0.95 Minimum hp Required for Mixing 0.011811 kW/m3 Standard Oxygen Transfer Efficiency 3.0419 kgO2/kWh Override Database Costs FALSE Standard 50 hp High Speed Floating Aerator 29000.0 $ 1 sqft of Installed Liner 2.5 $ Floating Aerator 15.0 years Capital Cost 40.0 years Liner Life - Earthen Basin 15.0 years Cost Override Description Value Units 30 de enero de 2018, E. Espino Pag. 50 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Equalization Design Information Effective storage volume 173 m3 Average hourly flow 864 m3/d Length of basin 23.9 m Width of basin 23.9 m Tank volume 1040 m3 Operating transfer efficiency 1.92 kgO2/kWh Power required 12.3 kW Quantities Volume of earthwork required 1740 m3 Volume of slab concrete required 130 m3 Volume of wall concrete required 53.2 m3 Number of aerators per basin 2.0 Power of selected aerator 7.46 kW Total installed power 14.9 kW Operational labor required 234 pers-hrs/yr Maintenance labor required 140 pers-hrs/yr Electrical energy required 96900 kWh/yr Costs Construction and equipment cost 153000 $ Earthwork Cost 11100 $ Wall Concrete Cost 37200 $ Slab Concrete Cost 65000 $ Installed Aerator Equipment Cost 32300 $ Misc Costs 7280 $ Operational labor cost 1760 $/yr Maintenance labor cost 803 $/yr Material and supply cost 920 $/yr Chemical cost 0 $/yr Energy cost 9690 $/yr Amortization cost 20600 $/yr Water Quality Data 30 de enero de 2018, E. Espino Pag. 51 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Parameter Influent Effluent Units Maximum flow 1040 864 m3/d Minimum flow 691 864 m3/d Average flow 864 864 m3/d Suspended solids 4580 4580 g/m3 % volatile solids 62.2 62.2 % BOD 2820 2540 g/m3 Soluble BOD 1410 1270 g/m3 COD 7680 7390 g/m3 Soluble COD 3840 3700 g/m3 TKN 50.0 50.0 gN/m3 Soluble TKN 28.0 28.0 gN/m3 Ammonia 13.0 13.0 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 17.0 17.0 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 10.0 10.0 g/m3 Oil and grease 100 100 g/m3 Summer temperature 23.0 23.0 deg C Winter temperature 10.0 10.0 deg C Trat. preliminar User Input Data Screening Description Value Units Cleaning Method Mechanically Cleaned Mechanically Cleaned Depth 0.3048 m Manually Cleaned Depth 0.60961 m Width 0.63576 cm Space 3.8146 cm Slope 30.0 degrees Shape Factor 2.42 Approach 0.76201 m/s Max 0.91441 m/s Ave 0.76201 m/s Grit Removal Description Value Units Particle Size 0.02 cm Specific Gravity 2.65 Type of Grit Removal Horizontal Number of Units 2.0 Design By Depth Depth 1.2192 m Width 1.2192 m Current Allowance 1.7 Manning Coefficient 0.035 Volume of Grit 2.9922E-5 m3 grit/m3 30 de enero de 2018, E. Espino Pag. 52 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Detention Time 2.5 min Air Supply per Unit Length of Tank 0.27871 N m3/min/m Surface Velocity 0.45721 m/s Tank Floor Velocity 0.3048 m/s Capital Cost 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Preliminary Treatment Design Information Mechanically Cleaned Bar Screen Bar size 0.636 cm Bar spacing 3.81 cm Slope of bars from horizontal 30.0 degrees Head loss through screen 0.00628 m Approach velocity 0.762 m/s Average flow through velocity (screen) 0.762 m/s Maximum flow through velocity (screen) 0.914 m/s Screen channel width 0.0429 m Average channel depth 0.305 m Horizontal Flow Grit Chamber Maximum flow 860 m3/d Average flow 860 m3/d Minimum flow 860 m3/d Temperature 10.0 deg C Maximum flow through velocity (grit chamber) 0.457 m/s Average flow through velocity (grit chamber) 0.305 m/s Size of smallest particle 100% removed 0.02 cm Specific gravity of particle 2.65 Number of units 2.0 Maximum flow/unit 430 m3/d Width of channel 0.00893 m Depth of channel 1.22 m Length of channel 44.0 m 30 de enero de 2018, E. Espino Pag. 53 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Settling velocity of particle 0.0215 m/s Slope of channel bottom 0.155 Allowance for currents 1.7 Manning coefficient 0.035 Hydraulic retention time 1.6 min Volume of grit 0.0259 m3/d Costs Construction and equipment cost 34700 $ Operational labor cost 2730 $/yr Maintenance labor cost 1270 $/yr Material and supply cost 867 $/yr Chemical cost 0 $/yr Energy cost 807 $/yr Amortization cost 4480 $/yr Water Quality Data Parameter Influent Effluent Units Maximum flow 864 864 m3/d Minimum flow 864 864 m3/d Average flow 864 864 m3/d Suspended solids 4580 4580 g/m3 % volatile solids 62.2 62.2 % BOD 2540 2540 g/m3 Soluble BOD 1270 1270 g/m3 COD 7390 7390 g/m3 Soluble COD 3700 3700 g/m3 TKN 50.0 50.0 gN/m3 Soluble TKN 28.0 28.0 gN/m3 Ammonia 13.0 13.0 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 17.0 17.0 gP/m3 pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 10.0 10.0 g/m3 Oil and grease 100 100 g/m3 Summer temperature 23.0 23.0 deg C Winter temperature 10.0 10.0 deg C Sedimentación 1ria User Input Data Primary Clarification Description Value Units Design Basis Average Flow Surface Overflow Rate 40.746 m3/(m2·d) Sidewater Depth 2.7432 m Specific Gravity 1.05 Underflow Concentration 4.0 % Weir Overflow Rate 186.3 m3/(m·d) Type of Clarifier Circular 30 de enero de 2018, E. Espino Pag. 54 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Suspended Solids 58.0 % BOD 32.0 % COD 40.0 % TKN 5.0 % Phosphorus 5.0 % Override Design FALSE Length-Rectangular Only 0.0 m Width-Rectangular Only 0.0 m Diameter-Circular Only 14.0 ft Excavation Depth 4.0 ft Number of Tanks per Battery 2.0 Number of Batteries 1.0 Override Database Costs FALSE Standard 20 X 120 ft Rectangular Clarifier Mechanism 126000.0 $ Standard 90 ft Diameter Circular Mechanism 105000.0 $ Standard 3000 gpm Pump and Driver Unit 20500.0 $ Mechanical 20.0 years Structural 40.0 years Pump 25.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Primary Clarification Design Information Surface area 26.2 m2 Surface area per circular clarifier 13.1 m2 Diameter of each circular clarifier 4.27 m Number of clarifiers per battery 2.0 Number of batteries 1.0 Solids loading rate 180 kg/(m2·d) Hydraulic retention time 1.62 hr Weir length 5.73 m Volume of sludge generated 71.8 m3/d Quantities 30 de enero de 2018, E. Espino Pag. 55 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Operation labor required 350 pers-hrs/yr Maintenance labor required 200 pers-hrs/yr Electrical energy required 7500 kWh/yr Volume of earthwork required 162 m3 Slab thickness 25.8 cm Volume of slab concrete required 12.8 m3 Wall thickness 29.2 cm Volume of wall concrete required 31.2 m3 Costs Construction and equipment cost 94900 $ Earthwork Cost 1030 $ Wall Concrete Cost 21900 $ Slab Concrete Cost 6400 $ Installed Equipment Cost 51200 $ Misc Costs 14500 $ Operational labor cost 2620 $/yr Maintenance labor cost 1150 $/yr Material and supply cost 949 $/yr Chemical cost 0 $/yr Energy cost 750 $/yr Amortization cost 12900 $/yr Waste Sludge Pumping Design Information Average daily pumping rate 71.8 m3/d Total pumping capacity 71.8 m3/d Design capacity per pump 35.9 m3/d Number of pumps 3.0 Number of batteries 1.0 Firm pumping capacity 71.8 m3/d Quantities Operation labor required 264 pers-hrs/yr Maintenance labor required 200 pers-hrs/yr Electrical energy required 642 kWh/yr Volume of earthwork required 45.4 m3 Area of pump building 18.6 m2 Costs Construction and equipment cost 29900 $ Earthwork Cost 291 $ Pump Building Cost 16800 $ Installed Pump Cost 8270 $ Misc Costs 4560 $ Operational labor cost 1980 $/yr Maintenance labor cost 1150 $/yr Material and supply cost 209 $/yr Chemical cost 0 $/yr Energy cost 64 $/yr Amortization cost 3940 $/yr Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 1070 996 71.8 m3/d 30 de enero de 2018, E. Espino Pag. 56 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Minimum flow 1070 996 71.8 m3/d Average flow 1070 996 71.8 m3/d Suspended solids 4420 1860 40000 g/m3 % volatile solids 62.2 62.2 62.2 % BOD 2260 1540 12300 g/m3 Soluble BOD 1090 1090 1090 g/m3 COD 6940 4170 45500 g/m3 Soluble COD 3320 3320 3320 g/m3 TKN 72.6 69.0 123 gN/m3 Soluble TKN 54.3 54.3 54.3 gN/m3 Ammonia 54.3 54.3 54.3 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 17.6 16.7 29.8 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 8.09 0.0 0.0 g/m3 Oil and grease 86.3 86.3 86.3 g/m3 Summer 24.6 24.6 24.6 deg C temperature Winter temperature 13.4 13.4 13.4 deg C RAFA User Input Data Upflow Anaerobic Sludge Blanket Reactor Description Value Units Reactor Operating Temperature 35.0 deg C Reactor Height 5.0 m Maximum Upflow Velocity 4.1667E-4 m/s Maximum Volumetric Loading Rate 6570.0 kg/(m3·yr) Maximum Sludge Loading Rate 1.0 kg COD/(kg VSS·d) Loading Rate Safety Factor 2.0 COD Removal Efficiency 0.9 Influent COD Acid Fraction 0.9 Influent Solids Retention 0.8 Influent Sulphate 200.0 g/m3 Average Biomass Concentration 25.0 kg/m3 Waste Sludge Concentration 1.0 % Yield of Acidogens 0.15 Yield of Methanogens 0.03 Yield of Sulphidogens 0.048 Hydrolysis Rate 0.15 1/d Override Design FALSE Reactor Volume 139.0 m3 Construction Cost Multiplier 512.18 $/m3 Override Database Costs FALSE Standard 3000 gpm Pump and Driver Unit 20500.0 $ UASB Heat Exchanger 2300.0 $ Pump 25.0 years Heat Exchanger 25.0 years 30 de enero de 2018, E. Espino Pag. 57 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Structural 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Upflow Anaerobic Sludge Blanket Reactor Design Information Design SRT 2.39 d Total reactor suspended solids 3480 kg Calculated VSS:TSS ratio 0.616 mg VSS/mg SS Reactor hydraulic retention time 3.35 hr Total volume of reactors 139 m3 Total reactor surface area 27.8 m2 Reactor height 5.0 m Upflow velocity 0.000415 m/s Sludge loading rate 0.487 kgCOD/kgVSS/d Calculated volumetric loading rate for this design 12.2 kg/m3/d User-defined maximum loading rate 18.0 kg/m3/d Calculated maximum loading rate 23.4 kg/m3/d Methane production 0.524 m3 gas/m3 wastewater Potential energy gain from methane 65.2 kW Effluent sulphide COD 88.9 gCOD/m3 Amount of alkalinity required 2.92 meq Estimated alkalinity gained by acid reduction 23.0 meq Amount of sludge wasted 1460 kg/d Nitrogen requirement for biomass growth 5.38 g/m3 Phosphorus requirement for biomass growth 1.34 g/m3 Quantities Operation labor required 2250 pers-hrs/yr Maintenance labor required 535 pers-hrs/yr Costs Construction and equipment cost 287000 $ Operational labor cost 16900 $/yr Maintenance labor cost 3080 $/yr Material and supply cost 5750 $/yr 30 de enero de 2018, E. Espino Pag. 58 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Chemical cost 0 $/yr Energy cost 0 $/yr Amortization cost 57000 $/yr Notes WARNING: SRT is less than 8 days, consider changing user-inputs to increase the SRT. WARNING: Sulphide gas is being produced, odour control may be necessary. Wastewater Pumping Design Information Average daily pumping rate 996 m3/d Total pumping capacity 996 m3/d Design capacity per pump 498 m3/d Number of pumps 3.0 Number of batteries 1.0 Firm pumping capacity 996 m3/d Quantities Operation labor required 371 pers-hrs/yr Maintenance labor required 296 pers-hrs/yr Electrical energy required 8840 kWh/yr Volume of earthwork required 46.5 m3 Area of pump building 19.1 m2 Costs Construction and equipment cost 51700 $ Earthwork Cost 297 $ Pump Building Cost 17200 $ Installed Pump Cost 26300 $ Misc Costs 7880 $ Operational labor cost 2780 $/yr Maintenance labor cost 1700 $/yr Material and supply cost 362 $/yr Chemical cost 0 $/yr Energy cost 884 $/yr Amortization cost 6820 $/yr Waste Sludge Pumping Design Information Average daily pumping rate 146 m3/d Total pumping capacity 146 m3/d Design capacity per pump 72.8 m3/d Number of pumps 3.0 Number of batteries 1.0 Firm pumping capacity 146 m3/d Quantities Operation labor required 290 pers-hrs/yr Maintenance labor required 222 pers-hrs/yr Electrical energy required 1300 kWh/yr Volume of earthwork required 45.5 m3 Area of pump building 18.7 m2 Costs Construction and equipment cost 33500 $ Earthwork Cost 291 $ Pump Building Cost 16800 $ Installed Pump Cost 11300 $ 30 de enero de 2018, E. Espino Pag. 59 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Misc Costs 5110 $ Operational labor cost 2170 $/yr Maintenance labor cost 1280 $/yr Material and supply cost 234 $/yr Chemical cost 0 $/yr Energy cost 130 $/yr Amortization cost 4420 $/yr Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 996 851 146 m3/d Minimum flow 996 851 146 m3/d Average flow 996 851 146 m3/d Suspended solids 1860 371 10000 g/m3 % volatile solids 62.2 62.2 61.6 % BOD 1540 309 1010 g/m3 Soluble BOD 1090 101 101 g/m3 COD 4170 2270 11200 g/m3 Soluble COD 3320 1930 1930 g/m3 TKN 69.0 51.8 169 gN/m3 Soluble TKN 54.3 48.9 48.9 gN/m3 Ammonia 54.3 48.9 48.9 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 16.7 15.4 15.4 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 0.0 0.0 0.0 g/m3 Oil and grease 86.3 0.0 0.0 g/m3 Summer 24.6 35.0 35.0 deg C temperature Winter temperature 13.4 35.0 35.0 deg C Espesamiento gravimétrico User Input Data Gravity Thickening Description Value Units Underflow Concentration 5.0 % Depth 2.7432 m Based On Mass Loading Mass Loading 48.824 kg/(m2·d) Settling Velocity 2.1167E-4 m/s Initial Height 1.2192 m Intercept 0.91441 m Override Design FALSE Surface Area per Thickener 476.87 sqft Number of Units 2.0 Override Database Costs FALSE Standard 90 ft Diameter Thickener 154000.0 $ Thickener 20.0 years 30 de enero de 2018, E. Espino Pag. 60 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Structural 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Gravity Thickening Design Information Initial concentration 1.99 % Thickened concentration 5.0 % Mass loading 48.8 kg/(m2·d) Hydraulic loading 2.45 m3/(m2·d) Hydraulic retention time 26.8 hr Number of tanks 2.0 Tank volume 243 m3 Depth 2.74 m Surface area per tank 44.3 m2 Tank diameter 7.62 m Quantities Amount of sludge generated 4330 kg/d Volume of thickened sludge 74.2 m3/d Operation labor required 405 pers-hrs/yr Maintenance labor required 312 pers-hrs/yr Electrical energy required 7200 kWh/yr Volume of earthwork required 382 m3 Slab thickness 25.8 cm Volume of slab concrete required 33.2 m3 Wall thickness 29.2 cm Volume of wall concrete required 50.9 m3 Costs Construction and equipment cost 208000 $ Earthwork Cost 2450 $ Wall Concrete Cost 35700 $ Slab Concrete Cost 16600 $ Installed Equipment Cost 122000 $ Misc Costs 31800 $ 30 de enero de 2018, E. Espino Pag. 61 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Operational labor cost 3040 $/yr Maintenance labor cost 1800 $/yr Material and supply cost 2080 $/yr Chemical cost 0 $/yr Energy cost 720 $/yr Amortization cost 28400 $/yr Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 217 143 74.2 m3/d Minimum flow 217 143 74.2 m3/d Average flow 217 143 74.2 m3/d Suspended solids 19900 4320 50000 g/m3 % volatile solids 62.0 62.0 62.0 % BOD 4740 1360 11300 g/m3 Soluble BOD 428 428 428 g/m3 COD 22500 6750 52900 g/m3 Soluble COD 2390 2390 2390 g/m3 TKN 154 73.0 310 gN/m3 Soluble TKN 50.7 50.7 50.7 gN/m3 Ammonia 50.7 50.7 50.7 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 20.1 20.1 20.1 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 0.0 0.0 0.0 g/m3 Oil and grease 28.5 28.5 28.5 g/m3 Summer 31.6 31.6 31.6 deg C temperature Winter temperature 27.9 27.9 27.9 deg C Digestión anaeróbica User Input Data Anaerobic Digestion Description Value Units Specific Gravity 1.05 Percent Volatile Solids Destroyed 50.0 % Concentration in Digester 5.0 % Minimum Detention Time in Primary Digester 15.0 d Location Warm-Winter > 10 Deg C Raw Wastewater 20.0 deg C Digester 40.0 deg C Fraction of Influent Flow Returned as 2.0 % Supernantant Suspended Solids 6250.0 g/m3 BOD 1000.0 g/m3 COD 2150.0 g/m3 TKN 950.0 gN/m3 Ammonia 650.0 g/m3 30 de enero de 2018, E. Espino Pag. 62 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Override Design FALSE Diameter 45.0 ft Sidewater Depth 23.543 ft Number of Primary Digester Tanks 1.0 Number of Secondary Digester Tanks 1.0 Number of Batteries 1.0 Override Database Costs FALSE Standard 70 ft Diameter Floating Cover 470000.0 $ Standard 60 ft Diameter Gas Circulation Unit 140000.0 $ Standard 1 Million Btu/Hr Heating Unit 58000.0 $ Standard 2 in Diameter Gas Safety Equipment 46000.0 $ Standard Size Sludge Pump 8gpm At 70 ft of Head 6300.0 $ Natural Gas Per 1000 cuft 9.3 $ Floating Cover 20.0 years Gas Circulation Unit 20.0 years Heating Unit 20.0 years Gas Safety Equipment 20.0 years Sludge Pump 25.0 years Structural 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance FALSE Cost 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization FALSE Cost 0.0 $ Design Output Data Description Value Units Anaerobic Digestion Design Information Percent VSS destroyed 50.0 % Solids concentration in digester 5.0 % Detention time 15.0 d Digester depth 7.18 m Digester diameter 13.7 m Effective digester volume 2290 m3 Number of digesters per battery 2.0 Number of primary digesters per battery 1.0 30 de enero de 2018, E. Espino Pag. 63 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Number of secondary digesters per battery 1.0 Number of batteries 1.0 Gas produced 1130 m3/d Heat required 421000 BTU/hr Digester gas required 662 m3/d Total natural gas required 0.0 m3/d Quantities Operation labor required 1370 pers-hrs/yr Maintenance labor required 888 pers-hrs/yr Electrical energy required 111000 kWh/yr Volume of earthwork required 2280 m3 Slab thickness 25.3 cm Volume of slab concrete required 84.9 m3 Wall thickness 49.0 cm Volume of wall concrete required 379 m3 Sidewater depth 7.18 m Surface area/floor of 2-story control bldg 55.3 m2 Piping size 15.3 cm Length of total piping system 148 m Number of 90 degree elbows 26.0 Number of tees 51.0 Number of plug valves 37.0 Total dry solids treated 3890 kg/d Costs Construction and equipment cost 1940000 $ Earthwork Cost 14600 $ Wall Concrete Cost 265000 $ Slab Concrete Cost 42400 $ Building Cost 49800 $ Piping System Cost 197000 $ Floating Cover Cost 615000 $ Gas Recirculation Units Cost 225000 $ Heating Units Cost 161000 $ Gas Safety Equipment Cost 102000 $ Installed Pumps Cost 72200 $ Operational labor cost 10300 $/yr Maintenance labor cost 5110 $/yr Material and supply cost 17600 $/yr Chemical cost 0 $/yr Energy cost 11100 $/yr Amortization cost 263000 $/yr Notes Mass balance based on user input Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 74.2 23.0 51.2 m3/d Minimum flow 74.2 23.0 51.2 m3/d Average flow 74.2 23.0 51.2 m3/d Suspended solids 50000 6250 50000 g/m3 % volatile solids 62.0 62.0 44.9 % 30 de enero de 2018, E. Espino Pag. 64 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz BOD 11300 1000 3140 g/m3 Soluble BOD 428 100 100 g/m3 COD 52900 2150 31400 g/m3 Soluble COD 2390 215 215 g/m3 TKN 310 950 1550 gN/m3 Soluble TKN 50.7 50.7 50.7 gN/m3 Ammonia 50.7 650 650 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 20.1 20.1 20.1 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 0.0 0.0 0.0 g/m3 Oil and grease 28.5 28.5 28.5 g/m3 Summer 31.6 31.6 31.6 deg C temperature Winter temperature 27.9 27.9 27.9 deg C Filtro prensa User Input Data Belt-Filter Press Description Value Units Cake Solids Content 19.0 % Density of Cake 1201.4 kg/m3 Operating Schedule per Day 8.0 hr/d Days Operating per Week 5.0 d/wk Hydraulic Loading per Metre of Belt Press Width 381.58 m3/d Polymer Dose 1.0 % dry wt Filtrate Solids Concentration 100.0 g/m3 Override Design FALSE Building Size Requirement 2535.0 sqft Number of Belt Filters 1.0 Override Database Costs FALSE 1m Belt Filter System 265000.0 $ 2m Belt Filter System 290000.0 $ Belt Filter 20.0 years Structural 40.0 years Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ 30 de enero de 2018, E. Espino Pag. 65 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units Belt-Filter Press Design Information Belt filter width 1.0 m Number of units 1.0 Hydraulic loading per unit per meter of belt width 382 m3/d Hydraulic loading required per meter of belt width 215 m3/d Final solids content 19.0 % Solids capture fraction 0.998 Quantities Operation labor required 188 pers-hrs/yr Maintenance labor required 47.0 pers-hrs/yr Power 57400 kWh/yr Polymer required 30.7 kg/d Dry solids produced 3070 kg/d Belt filter(s) 265000 $ Building 212000 $ Installation 66300 $ Polymer system 79500 $ Feed pumps 29200 $ Conveyor system 74200 $ Costs Construction and equipment cost 726000 $ Building Cost 212000 $ Polymer System Cost 79500 $ Feed Pumps Cost 29200 $ Conveyor System Cost 74200 $ Installed Belt Filter 331000 $ Operational labor cost 1410 $/yr Maintenance labor cost 271 $/yr Material and supply cost 0 $/yr Chemical cost 32100 $/yr Energy cost 5740 $/yr Amortization cost 97200 $/yr Water Quality Data Parameter Influent Effluent Sludge Units Maximum flow 51.2 37.8 13.5 m3/d Minimum flow 51.2 37.8 13.5 m3/d Average flow 51.2 37.8 13.5 m3/d Suspended solids 50000 100 190000 g/m3 % volatile solids 44.9 44.9 44.9 % BOD 3140 106 11700 g/m3 Soluble BOD 100 100 100 g/m3 COD 31400 277 119000 g/m3 30 de enero de 2018, E. Espino Pag. 66 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Soluble COD 215 215 215 g/m3 TKN 1550 53.7 5740 gN/m3 Soluble TKN 50.7 50.7 50.7 gN/m3 Ammonia 650 650 650 gN/m3 Nitrite 0.0 0.0 0.0 gN/m3 Nitrate 0.0 0.0 0.0 gN/m3 Total phosphorus 20.1 20.1 20.1 gP/m3 pH 7.6 7.6 7.6 - Cations 160 160 160 g/m3 Anions 160 160 160 g/m3 Settleable solids 0.0 0.0 0.0 g/m3 Oil and grease 28.5 28.5 28.5 g/m3 Summer 31.6 31.6 31.6 deg C temperature Winter temperature 27.9 27.9 27.9 deg C Planta SAGUAPAC User Input Data User Wastewater Process Description Value Units Suspended Solids 0.0 % Reduction Volatile Solids 0.0 % Reduction BOD 0.0 % Reduction Soluble BOD 0.0 % Reduction COD 0.0 % Reduction Soluble COD 0.0 % Reduction TKN 0.0 % Reduction Soluble TKN 0.0 % Reduction Ammonia 0.0 % Reduction Total Phosphorus 0.0 % Reduction pH 7.0 Cations 0.0 % Reduction Anions 0.0 % Reduction Settleable Solids 0.0 % Reduction Oil and Grease 0.0 % Reduction Nitrite 0.0 % Reduction Nitrate 0.0 % Reduction Average Summer 23.0 deg C Average Winter 10.0 deg C Flow Generated 0.0 m3/d Suspended Solids 0.0 % Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 30 de enero de 2018, E. Espino Pag. 67 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units User Specified Wastewater Process Design Information No Design Data Costs Construction and equipment cost 0 $ Operational labor cost 0 $/yr Maintenance labor cost 0 $/yr Material and supply cost 0 $/yr Chemical cost 0 $/yr Energy cost 0 $/yr Amortization cost 0 $/yr Water Quality Data Parameter Influent Effluent Units Maximum flow 851 851 m3/d Minimum flow 851 851 m3/d Average flow 851 851 m3/d Suspended solids 371 371 g/m3 % volatile solids 62.2 62.2 % BOD 309 309 g/m3 Soluble BOD 101 101 g/m3 COD 2270 2270 g/m3 Soluble COD 1930 1930 g/m3 TKN 51.8 51.8 gN/m3 Soluble TKN 48.9 48.9 gN/m3 Ammonia 48.9 48.9 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 15.4 15.4 gP/m3 pH 7.6 7.0 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 0.0 0.0 g/m3 Oil and grease 0.0 0.0 g/m3 Summer temperature 35.0 23.0 deg C Winter temperature 35.0 10.0 deg C Monorrelleno User Input Data User Specified Sludge Process Description Value Units 30 de enero de 2018, E. Espino Pag. 68 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Volume Reduction 0.0 % Percent Volatile Solids Destroyed 0.0 % Cost Override Description Value Units Override Construction Cost FALSE 0.0 $ Override Annual Operational Cost FALSE 0.0 $ Override Annual Maintenance Cost FALSE 0.0 $ Override Annual Materials Cost FALSE 0.0 $ Override Annual Chemical Cost FALSE 0.0 $ Override Annual Energy Cost FALSE 0.0 $ Override Annual Amortization Cost FALSE 0.0 $ Design Output Data Description Value Units User Specified Sludge Treatment Process Design Information No Design Data Costs Construction and equipment cost 0 $ Operational labor cost 0 $/yr Maintenance labor cost 0 $/yr Material and supply cost 0 $/yr Chemical cost 0 $/yr Energy cost 0 $/yr Amortization cost 0 $/yr Water Quality Data Parameter Influent Sludge Units Maximum flow 13.5 13.5 m3/d Minimum flow 13.5 13.5 m3/d Average flow 13.5 13.5 m3/d Suspended solids 190000 190000 g/m3 % volatile solids 44.9 0.449 % BOD 11700 216 g/m3 Soluble BOD 100 100 g/m3 COD 119000 1400 g/m3 Soluble COD 215 215 g/m3 TKN 5740 108 gN/m3 Soluble TKN 50.7 50.7 gN/m3 Ammonia 650 650 gN/m3 Nitrite 0.0 0.0 gN/m3 Nitrate 0.0 0.0 gN/m3 Total phosphorus 20.1 20.1 gP/m3 30 de enero de 2018, E. Espino Pag. 69 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz pH 7.6 7.6 - Cations 160 160 g/m3 Anions 160 160 g/m3 Settleable solids 0.0 0.0 g/m3 Oil and grease 28.5 28.5 g/m3 Summer temperature 31.6 31.6 deg C Winter temperature 27.9 27.9 deg C Appendices Unit Costs Description Value Units Building Cost 900.00 $/m2 Excavation 6.40 $/m3 Wall Concrete 700.00 $/m3 Slab Concrete 500.00 $/m3 Crane Rental 250.00 $/hr Canopy Roof 170.00 $/m2 Electricity 0.10 $/kWh Hand Rail 200.00 $/m Land Costs 0.00 $/ha Construction Labor Rate 6.50 $/hr Operator Labor Rate 7.50 $/hr Administration Labor Rate 7.50 $/hr Laboratory Labor Rate 7.50 $/hr Hydrated Lime-[Ca(OH)2] 0.18 $/lb Al2(SO4)3*14H2O 0.27 $/lb Ferric Chloride 0.36 $/lb Polymer 1.30 $/lb Citric Acid 50% 0.52 $/lb NaOCl 14% 9.76 $/cuft Interest Rate 12.5 % Construction Period 0 years Operating Life of Plant 25 years Engineering Design Fee 0.0 % Miscellaneous 0.0 % Administration/Legal 0.0 % Inspection 0.0 % Contingency 0.0 % Technical 0.0 % Profit and Overhead 0.0 % Cost Indices Description Value Units MAS - Marshall and Swift Index 1585.7 ENR - Engineering News Records Cost Index 9834.6 PIPE - Pipe Cost Index 878.2 HECI - Hydromantis Equipment Cost Index 100.0 HCCI - Hydromantis Construction Cost Index 60.0 HPCI - Hydromantis Pipe Cost Index 100.0 Additional Site-Specific Costs 30 de enero de 2018, E. Espino Pag. 70 de 70 Diseño preliminar y antepresupuesto de alternativas de tratamiento de los LFDs de Santa Cruz Description Value Units Override Foundation Estimate 0.00 $ Override Effluent Pumping Estimate 0.00 $ Override Outfall Diffuser Estimate 0.00 $ Override Mobilization Estimate 0.00 $ Override Site Preparation Estimate 0.00 $ Override Site Electrical Estimate false Override Yard Piping Estimate false Override Instrumentation and Control Estimate false Override Lab and Administration Building Estimate false Override Raw Sewage Pumping Estimate 0.00 $ Override Outfall Estimate 0.00 $ 30 de enero de 2018, E. Espino Pag. 71 de 70