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Sizing Calculation of General Service Pumps

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Sizing Calculation for Service Water Pumps. A. Calculation of Service Water Requirements : Sl. No. Operation 1 36 Continuous 2 36 Continuous 3 36 Continuous 4 4 Continuous 5 4 Continuous 6 374 During Emergency 7 0 8 5 9 Hose Station 60 Intermittent 10 Total 555 B. Calculation of Service water requirement for condensing steam during Description of the Consumers Water Requirement (US GPM) Pressure Drop in the cooler (psi) CT # 20 Evaporative Coolers CT # 41 Evaporative Coolers CT # 42 Evaporative Coolers HRSG # 41 Blowdown Tank HRSG # 42 Blowdown Tank Cooling Tower Emergency Make-up Service Water Fill to CW & ACW piping. Before Starting of the plant. Service Water for HP Atmospheric Drain Tank During Starting of the plant.
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Service Water PumpSizing Calculation for Service Water Pumps.A. Calculation of Service Water Requirements :Sl. No.Description of the ConsumersWater Requirement (US GPM)OperationPressure Drop in the cooler (psi)Design Pressure of the Coolers (psig)Remark1CT # 20 Evaporative Coolers36ContinuousRef. Water Balance Diagram2CT # 41 Evaporative Coolers36ContinuousRef. Water Balance Diagram3CT # 42 Evaporative Coolers36ContinuousRef. Water Balance Diagram4HRSG # 41 Blowdown Tank4ContinuousRef. Water Balance Diagram5HRSG # 42 Blowdown Tank4ContinuousRef. Water Balance Diagram6Cooling Tower Emergency Make-up374During EmergencyRef. Water Balance Diagram7Service Water Fill to CW & ACW piping.0Before Starting of the plant.Not considered, since the requirement is for filling up the CW & ACW piping before starting of the Power Plant and during this time there is no requirement of service water in the plant..8Service Water for HP Atmospheric Drain Tank5During Starting of the plant.9Hose Station 60IntermittentConsidering 3/4" hose , Terminal Pressure 100 psig and two (2) hoses will be operated at a time.10Total555

B. Calculation of Service water requirement for condensing steam during start-up in the HP Atmospheric Drain Tank for HP Steam.

1. Calculation of total HP & Seal Steam Pipe Weight

Sl. No. DescriptionPipe Size (NB, inch)Pipe thicness, SchTotal length of Pipe, (ft)Pipe unit weight, lb/ftTotal weight of pipe , lbOD of pipe , inchCross-sectional Area of the Pipe, ft2Remarks1HP Steam pipe8XS81.8343.393550.758.6250.41Ref: ISO - HP Steam2HP Steam pipe4XS1.5014.9822.474.50.11Ref: ISO - HP Steam3HP Steam pipe6XS80.4228.572297.506.6250.24Ref: ISO - HP Steam4HP Steam pipe4XS2.5014.9837.454.50.11Ref: ISO - HP Steam5HP Steam pipe21601.087.468.082.3750.03Ref: ISO - HP Steam6HP Steam pipe6XS176.6728.575047.376.6250.24Ref: ISO - HP Steam7HP Steam pipe4XS3.5814.9853.684.50.11Ref: ISO - HP Steam8HP Steam pipe21601.087.468.082.3750.03Ref: ISO - HP Steam9Total weight11025.391.2810Considering 30% margin, Total weight14333.0030% margin is considered to take care of fittings and Seal Steam Piping for which the Layout/ISO is not available2. Calculation of amount of condensate formed during pipe warm-upSl. No.Total Weight of the pipe, Wp (lb)Specific heat of piping material, s (Btu/lb 0 F)HP Steam Pressure during warm-up, P (psig)HP Steam Pressure during warm-up, P (psia)Saturation temperature of Steam, t (0 F)Enthalpy of vaporisation of steam, hfg (Btu/lb)Ambient winter average dry bulb temperature , ta (0 F)Warm-up time, N (min)Total condensate during warm-up, C ,lb/hr =(60* Wp)*(t)*s/(hfg *N)Enthalpy of vaporization of steam at 210 psig saturation pressure, hfg210 (Btu/lb)Enthalpy of vaporization of steam at 840 psig saturation pressure, hfg840 (Btu/lb)Remarks114333.000.144480.422495.12466756.172945.001590.38833.7254678.6156Ref. HRSG Start-up Curve, Steam Table. Warm-up time is assumed since the decision is that no Start-up curve for Steam Turbine from Siemens will be requested. 3. Calculation of radiation loss condensate loadSl.no.Total Length of the Pipe, L (ft)External Area of the pipe, A (ft2)Heat loss through pipe insulation , H (Btu/sq.ft.hr. 0 F)Enthalpy of vaporisation of steam, hfg (Btu/lb)Temperature difference , t ( 0 F)The radiation loss condensate load, Cr , lb/hr= (L)*(A)* (t)*(H)/hw Consider 30% margin the radiation loss condensate load (lb/hr)Total Condesate produce during warming -up operation by convection and radiation, W ,lb/hr = C+0.5Cr181.830.410.286756.17437.005.487921.500.110.286756.17437.000.0274380.420.240.286756.17437.003.181842.500.110.286756.17437.000.045651.080.030.286756.17437.000.00556176.670.240.286756.17437.006.990173.580.110.286756.17437.000.065481.080.030.286756.17437.000.00559Total15.8120.551600.6510Consider1601.004. Calculation of the mass of the codensate while entering into the Atmospheric HP Drain TankSl. NoTotal amount of condensate flash in the Tank, lb/hr X= [W*(hf-hf1)]/(hg-hf1)Total Condensate Flow in the Atmospheric HP Flash Tank, W (lb/hr)Saturation Temperasture of condensate , 0 FEnthalpy of Satuation liquid, hf (Btu/lb)Pressure inside the Atmospheric HP Flash Tank, psiaEnthalpy of steam at Saturation Pressure 14 psia, hg(Btu/lb)Enthalpy of condensate at Saturation Pressure 14 psia, hf1(Btu/lb)1445.871601.00466448.3714.001149.567177.71

5. Calculation of Service water requirement for cooling HP drain during star-up in the Atmosphric Drain TankSl No.Condensate flow,W ( lb/hr)Condensate Enthalpy, hc (Btu/lb)Service water temperature , ts (0 F)Service Water Enthalpy, hs(Btu/lb)Mixing Water Temerature , tm (0F)Mixing Water Enthalpy, hm(Btu/lb)Service Water Flow Ws (lb/hr) = [W*(hc-hm)]/(hm-hs)Service water density, ds(lb/ft3) Service Water Flow Ws (ft3/hr)Service Water Flow Ws (gpm)Remarks11155.13177.7160.0028.0596140.00107.94981008.6862.3716.172.022Consider 25% margin2.52Margin is considered because service water shall also be injected in the inlet manifold before the condensate enters into the tank3Let us consider56. Selection of Service Water Pump's ParametersSl. No.DescriptionUnitData1Total Service Water requirement for complete PlantUS GPM5552Considering 10% margin to take of wear & tear as per DBRUS GPM610.53Consider 2X50% Pumps, the capacity of each pump.US GPM3054Selected capacity of each PumpUS GPM3007. Calculation of Frictional Head (OLD)

SL. No.DescriptionPipe Size (NB, Inch)Pipe OD (inch)Pipe Thickness (inch)Pipe ID (inch)Pipe Legth (ft)Friction Factor for Pipe, fTPipe Line, "K"Gate Valve, K = 8*fTNRV, K=100fTGlobe Valve, K=340fT900 Bend, K= 30fT450 Bends, K= 16fTTee , Line, K=20fTTee , Branch , K=60fTReducerExpanderK for Exit LossTotal "K"Flow, USGPMFlow, ft3/secVelocity of flow, v (ft/sec)Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)]Nos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.K =d1/d2Nos.K =d1/d21Main Service Water Header66.6250.286.065500.000.01514.83910.1211.5005.120.4500.2420.300.910.8820.66401.6030.664018.84274.50.6123.052.722Main Service Water Header44.50.2374.026650.000.01732.93600.13601.7005.7860.5100.27230.3401.0201.3500.61302.7380.613037.023330.7428.3940.483Branch2.52.8750.2032.4695.000.0180.4370.000.14401.8006.1200.5400.28810.3011.0811.3500.61302.7380.61303.17360.0802.410.294Individual pipe connected to evaporative cooler11.3150.1790.9575.000.0231.4420.000.18402.3007.8200.6900.28800.3601.38111.5260.388031.8310.388113.97180.0408.0313.985Total57.47

Calculation of head loss through 6" pipe from TP to Service Water Tank

SL.DescriptionUnitDataRemarks1Total length of pipeft15002Margin considered for equivalent length of fitting%203Total length of pipe considering 20% marginft18004Total flowgpm6005Head lossft/100ft2.33Total Head Loss through piping and fitting considering 20% marginft50.328Terminal Point Elevationft5909Plant Elevation at Service water Tankft5936Difference in Elevationft27Service Water Tank inlet nozzle height from ground ft25AssumedTotal Static head from TP to Service water inlet nozzle ft52Total head loss for friction and static heightft102.328Sp. Gravity of waterlbm/ft362.341Total Pressure losspsig44Terminal Point Pressurepsig85 -125Residual Pressurepsig76Pressure available at Service Water Tank inlet32So the pipe size 6" is acceptableStatic height at potable water TPft27Total head loss at potable water TP due to friction and static heightft77Pressure loss at Potable Water TPpsig33Pressure available at Potable Water TPpsig43

8. Calculation of Pump Head

Sl. NoDescriptionUnitDataRemarks1Frictional head through piping and fitting ft of water column57.47Ref cal2Considering 20% margin ft of water column68.962Static Headft of water column7.5Assumed.3TDH of the pumpft of water column76.464Selected Pump TDHft of water column809. Selection of Service Water PumpsSL No.DescriptionData1Nos. of Pumps2X50%2Capactity of each Pump, US GPM3003TDH of the Pump8010.0 Selection of the KW rating of the Service Water Pump MotorSl. NoDescriptionUnitData1Pump CapacityUS GPM3002Pump Headft of WC803Sp.gravity of water14Efficiency of pump%755Motor efficiency%906Pump BHPHP8.677Considering 15% margin, Pump shaft input powerHP9.979Selected Pump input powerHP10.08Motor input powerHP11.19Selected Motor input PowerHP15Flow through pipeRecommended VelocityCalculated Pipe ID, ftCalculated Pipe ID, inchSelected PipeOD, inchSelected Pipe Thicness, inchSelected Pipe ID, inchActual Velocity, ft/secWhether Actual Velocity "acceptable"Selected Pipe Size , NB, inch & Pipe ScheduleRemarksSL No. DescriptionUSGPMft3/secm/secft/sec1Service Water Tank Filling Line600.0001.3372.5008.2020.4565.4666.6250.286.0656.663Acceptable6inch, Sch : Std2Individual Header to Pump Suction300.0000.6681.8005.9060.3804.5556.6250.286.0653.332Acceptable6inch, Sch : Std3Individual Header to Pump Discharge3000.6683.009.8430.2943.5294.50.2374.0267.561Acceptable4inch, Sch : Std4Common discharge header6001.3373.009.8430.4164.9906.6250.286.0656.663Acceptable6inch, Sch : Std5Header for HP Atmospheric Head Tank and service water hose650.1453.009.8430.1371.6422.3750.2181.9397.062Acceptable2inch, Sch : 806HP Head Tank50.0113.009.8430.0380.4561.3150.1790.9572.230Acceptable1inch, Sch : 807Common Header for combined Cycle , Simple Cycle Plant and Cooling Tower Plant Area6001.3373.009.8430.4164.9906.6250.286.0656.663Acceptable6inch, Sch : Std8Header to Cooling Tower Area4841.0783.009.8430.3734.4826.6250.286.0655.375Acceptable6inch, Sch : Std9Cooling Tower Emergency Make-up3740.8333.009.8430.3283.9404.50.2374.0269.426Acceptable4inch, Sch : Std10Header to Simple and Combined Cycle Plant193.60.4313.009.8430.2362.8353.50.2163.0688.402Acceptable2.5 inch, Sch : Std11Combined Cycle Plant # 411100.2453.009.8430.1782.1372.8750.2032.4697.371Acceptable3inch, Sch : Std12Service Water to Blow down Tank # 4140.0093.009.8430.0340.4071.90.2001.5000.726Acceptable1.5 inch, Sch : 8013Header for Evaporative Cooler for Module B of unit # 41180.0403.009.8430.0720.8641.3150.1790.9578.029Acceptable1.0 inch, Sch : 8014Header for Combined Cycle Plant # 42 & Simple Cycle Plant # 20149.60.3333.009.8430.2082.4923.5000.223.0686.492Acceptable3inch, Sch : Std15Blow down header from Simple Cycle110.0251.003.2810.101.1702.3750.2181.9391.195Acceptable2 inch, Sch : 8016Blow down header from Simple Cycle # 20 and combined Cycle # 41220.0491.003.2810.141.6552.3750.2181.9392.390Acceptable2 inch, Sch : 8013Blow down header from Simple Cycle # 20 and combined Cycle # 41 & 42330.0741.003.2810.172.0273.5000.2163.0681.432Acceptable3inch, Sch : 4014Recirculation line1840.4103.009.8430.232.7633.5000.2163.0687.985Acceptable3inch, Sch : 4015Outlet of HP Atmospheric Drain Tank8.050.0181.003.2810.081.0012.8750.2032.4690.539Acceptable2.5 inch, Sch : 40

7. Calculation of Frictional Head (Revised Design Condition)

SL. No.DescriptionPipe Size (NB, Inch)Pipe OD (inch)Pipe Thickness (inch)Pipe ID (inch)Pipe Legth (ft)Friction Factor for Pipe, fTPipe Line, "K"Gate Valve, K = 8*fTNRV, K=100fTGlobe Valve, K=340fTButterfly Valve, K= 45 fT900 Bend, K= 30fT450 Bends, K= 16fTTee , Line, K=20fTTee , Branch , K=60fTReducerExpanderK for flow elementK for Exit LossTotal "K"Flow, USGPMFlow, ft3/secVelocity of flow, v (ft/sec)Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)]Nos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.K =d1/d2Nos.K =d1/d21Individual Pump Discharge Pump44.50.2374.02620.000.0171.01300.13611.7005.7810.76520.5100.27210.34001.0200.8820.66411.6030.6640.00006.443000.6687.565.722Common Service Water Discharge Header66.6250.286.065370.000.01510.98100.1201.5005.100.67510.4500.2410.30000.9026.3100.320076.7670.32031.217042.956001.3376.6629.613Header in STG Building22.3750.2181.93980.000.0199.4070.000.15201.9006.4600.85500.5700.30410.38001.1413.9030.494076.7670.3200.000013.69650.1457.0610.604Individual pipe connected to HP Atmospheric Drain Tank11.3150.1790.95715.000.0234.3260.000.18402.3007.8201.03540.6900.36800.46001.3803.9030.49409.5940.4940.00007.0950.0112.230.555Common Header for combined Cycle , Simple Cycle Plant and Cooling Tower Plant Area66.6250.286.065150.000.0154.4520.000.1201.5005.100.67540.4500.2410.3000.900.8820.66401.6030.6640.00006.556001.3376.664.526Common Header for CT make-up66.6250.286.065530.000.01515.7300.000.1201.5005.100.67520.4500.2410.3000.910.8820.66401.6030.6640.000020.41411.40.9174.576.617Header to CT make-up44.50.2374.02680.000.0174.0540.000.13601.7005.7810.76540.5100.27210.3401.0200.3810.76200.5190.76231.21706.43411.40.91710.3710.748Common Header for combined Cycle & Simple Cycle Plant Area33.50.2163.068100.000.0187.0400.000.14401.8006.1200.8120.5400.28810.3601.0813.4790.50608.4140.5060.00009.63188.60.4208.1910.029Header for Combined Cycle Plant #4133.50.2163.068260.000.01818.3050.000.14401.8006.1200.8140.5400.28800.3611.0811.1520.63200.5190.7620.000022.04105.60.2354.587.1910Header to Evaporative Cooler # 4122.3750.2181.93910.000.0191.1760.000.15201.9006.4600.85540.5700.30400.3811.1413.9030.49409.5940.4940.00005.0939.60.0884.301.4611Header to Evaporative Cooler B # 4111.3150.1790.95710.000.0232.8841.000.18402.3017.8201.03540.6900.36800.4611.3803.9030.49409.5940.4940.000116.0319.80.0448.8319.4112Header for CTG # 42 & 2033.50.2163.068100.000.0187.0400.000.14401.8006.1200.8120.5400.28810.3601.0801.1520.63202.2490.6320.00008.481490.3326.475.5113Header for CTG # 2033.50.2163.068520.000.01836.6100.000.14401.8006.1200.8140.5400.28800.3611.0811.1520.63202.2490.6320.000040.34105.60.2354.5813.1614Header for CTG # 2022.3750.2181.93910.000.0191.1760.000.15201.9006.4600.85540.5700.30400.3811.1413.9030.49409.5940.4940.00005.0939.60.0884.301.4615Header to Evaporative Cooler B # 2011.3150.1790.95710.000.0232.8841.000.18402.3017.8201.03540.6900.36800.4611.3803.9030.49409.5940.4940.000116.0319.80.0448.8319.4116Pump Minimum flow recircualtion line33.50.2163.068158.000.01811.1241.000.14401.8006.1200.8160.5400.28810.3611.0813.4790.50608.4140.5060.000117.951840.4107.9917.7717Common header for recirculation line66.6250.286.065100.000.0152.9680.000.1201.5005.100.67540.4500.2410.3000.900.0001.00000.8023.1280.00005.076001.3376.663.4918Pipe Line from City Water TP to Service Water Tank inlet66.6250.286.0651500.000.01544.5182.000.1221.5005.110.675160.4540.2420.3010.910.8820.66400.9466.33831.217158.426001.3376.6640.27

Calculation of "K" factor for OrificeSl.No.Ratio of Orifice Diameter to Pipe Diameter "" Flow Coefficient "C"Orifice "K" = (1-^2)/(C^2*^4)Remarks10.50.6231.22 is assumed as 0.5 and flow is turbulent

Calculation of Pressure drop through 1 inch 100 mesh Y Strainer

Sl. No.Description Unit DataRemarks1Pressure droppsi1.56From Manufacturer's Catalog2Density of Waterlbm/ft362.0585From Steam Table at 95 0 F3Pressure dropft of WC3.62

Calculation of Pump TDH at Design Condition

Sl. NoDescriptionUnitData1Friction Loss from Pump Discharge upto Evaporative Cooler Module RH # 20ft of WC89.402Considering 20% margin, Friction lossft of WC96.553Static Headft of WC7.504TDH ft of WC104.055TDH (Selected)ft of WC110.00

Calculation of Control Valve Parameters

A. Control Valve : TCV-43150-01 : Service Water Supply Line to HP Atmospheric Drain Tank

Sl. NoDescriptionUnitData 5 gpmMinimum Flow 0 gpmMaximum Flow 10 gpm1Friction Loss from Pump Discharge upto Upstream of Control valve of HP Atmospheric Drain Tankft of WC46.4845.9348.122Considering 20% margin, Friction lossft of WC55.7755.1157.743Static Head Consideredft of WC7.507.507.504Total Head loss at upstream control valveft of WC63.2762.6165.245Pressure Head Available at upstream of control Valveft of WC46.7347.3944.766Density of Water at 950 Flbm/ft362.058562.058562.05857Pressure available at upstream of control Valvepsig20.1420.4219.298Consider velocity through the sparger pipeft/sec50.0050.0050.009Velocity headft of WC38.8238.8238.8210Pressure required at downstream of Control Valvepsig16.7316.7316.73

Selection of Control Valve : TCV-43150-01 : Service Water Supply Line to HP Atmospheric Drain Tank

Sl.NoDescriptionUnitDataFlow 0 gpmFlow 10 gpm1Flow rategpm5.000.00102Inlet Pressurepsig20.1420.4219.293Oulet Pressurepsig16.7316.7316.73

B. Control Valve LCV 43601-01 at Tank Outlet

1Total condensate flow into the tanklb/hr1155.132Temperature of condensate and water mixture0F140.003Density of Water at 140 0F lbm/ft361.37574Volume flow rate of condensateft3/hr18.825Volume flow rate of condensategpm2.356Taking 30% margin Volume flow rate of condensategpm3.057Total flow of water and condensategpm8.05

Calculation of Velocity through the out let pipe of HP Atmospheric Drain Tank

SL.No.% of Pipe filled with waterValue of factor "n"Cross-sectional area of Pipe, A (ft2)Perimeter of Pipe, P (ft) considering half filled of waterHydraulic Radius, R (ft) R for circular pipe = (Cross-sectional Area/Wetted Perimeter) =A/P =(ID/4)Slope, S (Dimension Less) 1:48Velocity of Flow (ft/Sec), V=(1.0/n)*(R^(2/3)*(S^1/2)Velocity head, ft of WCStatic Height, ft (assumed)Total head avaiable at upstream of valve, ft WCDensity of Water at 140 0F, lbm/ft3Total head avaiable at upstream of valve, psig1500.0150.0170.3230.0510.0211.3310.037.0007.0361.37573.00

Selection of Control Valve : LCV-43601-01 : Out let of HP Atmospheric Drain Tank

Sl.NoDescriptionUnitDataminimum flow 0 gpmmaximum flow1Flow rategpm8.050.00152Inlet Pressurepsig3.003.0033Oulet Pressurepsig0.000.000

C. Control Valve LCV-00151-01 at Cooling Tower Emergency Make up.

Sl. NoDescriptionUnitDataMinimum Flow 0 gpmMaximum Flow 569*1.1= 625.91Friction Loss from Pump Discharge upto Upstream of Control valve of HP Cooling Tower Emergency Make-upft of WC57.2039.8480.012Considering 20% margin, Friction lossft of WC68.6447.8196.013Static Head Consideredft of WC7.507.507.504Total Head loss at upstream control valveft of WC76.1455.31103.515Pressure Head Available at upstream of control Valveft of WC33.8654.696.496Density of Water at 950 Flbm/ft362.058562.058562.05857Pressure available at upstream of control Valvepsig14.5923.572.79

Selection of Control Valve : LCV-0051-01 : At Cooling Tower Emergency Make-up

Sl.NoDescriptionUnitDataMinimum Flow 0 gpmMaximum Flow 625.91Flow rategpm411.400.00625.92Inlet Pressurepsig14.5923.572.793Oulet Pressurepsig0.000.000.00

Selection of Control Valve : FCV-001114-02 : At Service Water Mininum Flow Recirculation Line

Sl. NoDescriptionUnitData, Flow , 184 gpm maxflow , minimum 0 gpmflow operating 54.9 gpm1Friction Loss from Pump Discharge upto Upstream of Control valve of minimum flow recirculation lineft of WC26.989.2110.792Considering 20% margin, Friction lossft of WC32.3811.0512.953Static Head Consideredft of WC20.0020.0020.004Total Head loss at upstream control valveft of WC52.3831.0532.955Pressure Head Available at upstream of control Valveft of WC57.6278.9577.056Density of Water at 950 Flbm/ft362.058562.058562.05857Pressure available at upstream of control Valvepsig24.8334.0233.20

Selection of Control Valve : FCV-001114-02 : At Service Water Mininum Flow Recirculation Line

Sl.NoDescriptionUnitData Max FlowMinimum FlowOperating Flow1Flow rategpm184.000.0054.902Inlet Pressurepsig24.8334.0233.203Oulet Pressurepsig0.000.000.00

Selection of Motor operated Valve : MOV-00103-0 : At Service Water Tank inlet

Sl. NoDescriptionUnitData1Friction Loss from Pump Discharge upto Upstream of Control valve of minimum flow recirculation lineft of WC40.272Considering 20% margin, Friction lossft of WC48.333Terminal Point Elevationft59094Plant Elevation at Service water Tankft59365Difference in Elevationft276Service Water Tank inlet nozzle height from ground ft257Total Static head from TP to Service water inlet nozzle ft52Total head loss for friction and static heightft100.33Sp. Gravity of waterlbm/ft362.341Total Pressure losspsig43Terminal Point Pressurepsig85 -125Residual Pressurepsig76Pressure available at Service Water Tank inlet33So the pipe size 6" is acceptableStatic height at potable water TPft27Total head loss at potable water TP due to friction and static heightft75Pressure loss at Potable Water TPpsig33Pressure available at Potable Water TPpsig43

DM Water PumpSizing Calculation for DM Water Transfer PumpsA. Calculation of DM Water Requirements :

Sl. No.Description of the ConsumersWater Requirement (US GPM)OperationPressure Drop in the cooler (psi)Design Pressure of the Coolers (psig)Remark1Make-up to condenser vacuum pumps10Intermittent (During initial startRef. Unique System Vendor drawing no. 10-1095-PFDS and the requirement of Seal Water is 18 GPM per Pump. However , as advised by SD& BKM dated 03.11.13 the requirement is revised as 10 GPM for two (2) Pumps.2Power Cycle Normal Make-up (Condenser Normal Make-up)10ContinuousRef. Water Balance Diagram3Power Cycle Emergency Make-up (Condenser Emergency Make-up)260IntermittentRef. Mom. January 23,20134Water Supply to Auxilaiary Skid for CTG Wash Water System0Intermittent 65Ref : GE drawing no. 7246329-571262. The wash water requirement is 4-5 GPM for On-line & 5-8 GPM for Off-line Wash. However , However , as advised by SD& BKM dated 03.11.13 the requirement is revised as 0 GPM.5Water Supply to Sprint for CTG # 4141Continuous6Water Supply to Sprint for CTG # 4241Continuous7Water Supply to Sprint for CTG # 2041Continuous8Total Continuos requirement1339Total Intermittent requirement270

8Total403(1) Calculation of Pump Capacity Sl No.DescriptionUnitData1Total Service Water requirementUS GPM4032Cconsidering 10% marginUS GPM443.33Consider 3X50% Pumps, the capacity of each PumpUS GPM221.654Let us selected the capacity of each pumpUS GPM2207. Calculation of Frictional Head considering emergency make -up (Alternative -1)

SL. No.DescriptionPipe Size (NB, Inch)Pipe OD (inch)Pipe Thickness (inch)Pipe ID (inch)Pipe Legth (ft)Friction Factor for Pipe, fTPipe Line, "K"Butterfly Valve, K = 45*fTNRV, K=100fTGlobe Valve, K=340fT900 Bend, K= 30fT450 Bends, K= 16fTTee , Line, K=20fTTee , Branch , K=60fTReducerExpanderK for Exit LossFlow Meter,KTotal "K"Flow, USGPMFlow, ft3/secVelocity of flow, v (ft/sec)Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)]Nos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.K =d1/d2Nos.K =d1/d21Individual header44.50.2374.02610.000.0170.50710.76511.7005.7820.5100.27200.3401.0200.8820.66411.6030.664005.601980.4414.992.162Main Header66.6250.286.065550.000.01516.32320.1201.5005.140.4500.2420.310.910.8820.66401.6030.66403050.753960.8824.4015.243Header to STG building44.50.2374.02675.000.0173.8002.000.76501.7005.7820.5100.27210.3401.0200.8820.66401.6030.664006.692800.6247.065.174Header to codenser emergency make up44.50.2374.02620.000.0171.0133.000.13601.7005.7820.5100.27220.3401.0200.8820.66401.6030.664104.122600.5796.552.755Total Head loss25.328. Calculation of Frictional Head considering sprint for unit #20 (Alternative -2)

SL. No.DescriptionPipe Size (NB, Inch)Pipe OD (inch)Pipe Thickness (inch)Pipe ID (inch)Pipe Legth (ft)Friction Factor for Pipe, fTPipe Line, "K"Butterfly Valve, K = 45*fTNRV, K=100fTGlobe Valve, K=340fT900 Bend, K= 30fT450 Bends, K= 16fTTee , Line, K=20fTTee , Branch , K=60fTReducerExpanderK for Exit LossFlow Meter,KTotal "K"Flow, USGPMFlow, ft3/secVelocity of flow, v (ft/sec)Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)]Nos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.K =d1/d2Nos.K =d1/d21Individual header44.50.2374.02610.000.0170.50710.76511.7005.7820.5100.27200.3401.0200.8820.66411.6030.664005.601980.4414.992.162Main Header66.6250.286.065550.000.01516.32320.1201.5005.140.4500.2420.310.910.8820.66401.6030.66403050.753960.8824.4015.243Header to Sprint for Unit # 41,42 & 2033.50.2163.068200.000.01814.08100.14401.8006.1220.5400.28810.3601.0813.4790.50608.4140.5060019.001230.2745.348.415Header to Sprint for Unit # ,42 & 2033.50.2163.0681000.0187.04000.14401.8006.1200.5400.28810.3601.0811.1520.63202.2490.632008.55820.1833.561.686Header to Sprint for Unit # , 2022.3750.2181.939350.000.01941.15520.15201.9016.4640.5700.30400.3801.1401.1520.63202.2490.63203080.20410.0914.4524.717Total52.209. Selection of Pump HeadSl. NoDescription Unit Data1Frictional head (Alternative - 2)ft of W.C.52.202Considering 20 % margin , the frictional headft of W.C.62.643Terminal Pressure at Sprintpsig54Density of water at 600 Flbm/ft362.37075Terminal Pressure at Sprintft of W.C.11.546Static Head (considered)ft of W.C.7.57Total Headft of W.C.81.698Let us consider TDH ft of W.C.909Density of water at 800 Flbm/ft362.22039Let us consider TDH psig38.89Let us consider TDH psig4010 Selection of DM Water PumpsSl. NoDescriptionData1No. of Pumps3X50%2Capacity of each Pump, US GPM2203TDH of the Pump, ft of W.C.9010.0 Selection of the KW rating of the Pump Motor

Sl. NoDescriptionUnitData1Pump CapacityUS GPM2202Pump Headft of WC903Sp.gravity of water14Efficiency of pump%755Motor efficiency%906Pump BHPHP7.158Considering 15% margin, Pump shaft input powerHP8.29Selected Pump input powerHP9.010Motor input powerHP10.011Selected Motor input PowerHP10Flow through pipeRecommended VelocityCalculated Pipe ID, ftCalculated Pipe ID, inchSelected PipeOD, inchSelected Pipe Thicness, inchSelected Pipe ID, inchActual Velocity, ft/secWhether Actual Velocity "acceptable"Selected Pipe Size , NB, inch & Pipe ScheduleRemarksSL No. DescriptionUSGPMft3/secm/secft/sec1Pump Suction Common Header440.0000.9801.8005.9060.4605.5176.6250.286.0654.886Acceptable6inch, Sch : Std2Individual Header to Pump Suction220.0000.4901.8005.9060.3253.9014.50.2374.0265.545Acceptable4 inch, Sch : Std3Individual Header to Pump Discharge220.0000.4903.0009.8430.2523.0224.5000.2374.0265.545Acceptable4 inch, Sch : Std4Pump Discharge Common Header440.0000.9803.0009.8430.3564.2736.6250.286.0654.886Acceptable6inch, Sch : Std5Pump Recirculation Header87.000.1943.0009.8430.1581.9002.8750.2032.4695.830Acceptable2.5 inch, Sch : 40It is assumed that worst case is one pump operaties with continuous demand.6Header to STG Buiding for condenser normal/emergency make-up, ccw head tank make-up, condenser vacuum pump make-up & initial sealing of CEP2900.6463.009.8430.2893.4694.50.2374.0267.309Acceptable4 inch, Sch : Std10.0 USGPM is considered for CCW Head Tank Make-up and initial sealing of CEP.7Condenser emergency make-up header 2600.5793.009.8430.2743.2854.50.2374.0266.553Acceptable4nch, Sch : Std8Condenser normal make-up100.0223.009.8430.0540.6442.3750.2181.9391.087Acceptable2nch, Sch : 809Make-up to condenser vacuum pump360.0803.009.8430.1021.2222.3750.2181.9393.911Acceptable2nch, Sch : 8010Header for Combined cycle Plants # 41, 42 and Simple Cycle Plant1230.2743.009.8430.1882.2593.50.2163.0685.338Acceptable3nch, Sch : 4011Individual header to combined cycle plant410.0913.009.8430.1091.3042.3750.2181.9394.455Acceptable2nch, Sch : 8012Header for combined cycle unit # 42 & Simple Cycle Plant820.1833.009.8430.1541.8452.8750.2032.4695.495Acceptable2.5 inch, Sch : 4013DM water return Header for unit # 41, 42 & 20330.0743.009.8430.0981.1702.3750.2181.9393.585Acceptable2nch, Sch : 8011. Calculation of Frictional Head (Revised Design Condition)

SL. No.DescriptionPipe Size (NB, Inch)Pipe OD (inch)Pipe Thickness (inch)Pipe ID (inch)Pipe Legth (ft)Friction Factor for Pipe, fTPipe Line, "K"Gate Valve, K = 8*fTNRV, K=100fTGlobe Valve, K=340fTButterfly Valve, K= 45 fT900 Bend, K= 30fT450 Bends, K= 16fTTee , Line, K=20fTTee , Branch , K=60fTReducerExpanderK for flow elementK for Exit LossTotal "K"Flow, USGPMFlow, ft3/secVelocity of flow, v (ft/sec)Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)]Nos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.K =d1/d2Nos.K =d1/d21Individual Pump Discharge Pump44.50.2374.02610.000.0170.50700.13611.7005.7810.76520.5100.27210.34001.0200.8820.66411.6030.6640.00005.942200.4905.542.832Common Discharge Header66.6250.286.065160.000.0154.74900.1201.5005.110.67540.4500.2420.30010.900.0001.00000.0001.00031.217039.944400.9804.8914.813Header to STG Building66.6250.286.065360.000.01510.68400.1201.5005.100.67540.4500.2410.30000.910.8820.66401.6030.6640.000013.672800.6243.112.053Header in STG Building44.50.2374.02620.000.0171.0130.000.13601.7005.7800.76540.5100.27250.34001.0214.3700.482010.9090.4820.00009.122800.6247.067.054Condenser normal make-up header22.3750.2181.93910.000.0191.1761.000.15201.9006.4600.85540.5700.30410.38001.1404.3700.482010.9090.4820.00003.99100.0221.090.075Condenser emergency make-up header44.50.2374.02610.000.0170.5070.000.13601.7015.7800.76540.5100.27210.34011.0204.3700.48200.4820.00009.692600.5796.556.465Common Header for combined Cycle , Simple Cycle Plant 33.50.2163.068200.000.01814.0810.000.14401.8006.1200.8160.5420.28810.3611.0813.4790.506010.9090.4820.000019.341390.3106.0310.936Common Header for Combined Cycle Plants # 41 & 4233.50.2163.06870.000.0184.9280.000.14401.8006.1200.8120.5400.28810.3611.0800.3810.76200.4820.00007.45980.2184.252.097Common Header for Sprint and Water Wash System # 4122.3750.2181.939270.000.01931.7481.000.15201.9006.4600.85540.5700.30410.3811.1411.1520.63202.2490.6320.000035.70410.0914.4511.008Header for Sprint and Water Wash System # 4222.3750.2181.939180.000.01921.1661.000.15201.9006.4600.85540.5700.30410.3801.1411.1520.63202.2490.6320.000023.98410.0914.457.399Header for Sprint and Water Wash System # 2022.3750.2181.939460.000.01954.0901.000.15201.9006.4600.85560.5700.30410.3801.1411.1520.63202.2490.63231.217058.04410.0914.4517.8910Minimum Flow recirculation line2.52.8750.2032.46990.000.0187.8741.000.14401.8006.1200.8120.5420.28800.3611.0819.3000.407025.2160.4070.000010.7587.000.1945.835.6811Return sprint header # 2011.3150.1790.95710.000.0232.8840.000.18402.3007.8201.03520.6900.36810.4601.3803.9030.49419.5940.4940.000014.32110.0254.915.3512Return sprint header to Storage Tank from unit # 2022.3750.2181.939460.000.01954.0900.000.15201.9006.4600.85560.5700.30410.3801.1400.3080.78500.3840.7850.000057.89110.0251.201.2813Return sprint header to Storage Tank from unit # 20, 41 & 4222.3750.2181.939280.000.01932.9241.000.15201.9006.4600.85540.5710.30410.3801.1400.49409.5940.4940.000137.04330.0743.597.39

Determination of Pump HeadSl. NoDescription Unit Data1Frictional head ft of W.C.46.452Considering 20 % margin , the frictional headft of W.C.55.743Terminal Pressure at Sprintpsig54Density of water at 800 Flbm/ft362.235Terminal Pressure at Sprintft of W.C.11.576Static Head (considered)ft of W.C.7.57Total Headft of W.C.74.818Let us consider TDH ft of W.C.909Let us consider TDH psig38.8910Let us consider TDH psig40

(A) Selection of Minimum Flow Recirculation Valve FCV-00109-01

Sl. NoDescriptionUnitDataMinimum Flow 53.4Maximum Flow. 100 =1.2*871Friction Loss from Pump Discharge upto Upstream of Control valve of minimum flow recirculation lineft of WC23.3219.7825.13939365962Considering 20% margin, Friction lossft of WC27.9823.7430.173Static Head Consideredft of WC7.507.57.54Total Head loss at upstream control valveft of WC35.4831.2437.675Pressure Head Available at upstream of control Valveft of WC54.5258.7652.336Density of Water at 800 Flbm/ft362.220362.220362.22037Pressure available at upstream of control Valvepsig23.5625.3922.61

Selection of Control Valve : FCV-00109-01 : Minimum Flow Recirculation

Sl.NoDescriptionUnitData1Flow rategpm87.0053.401002Inlet Pressurepsig23.5625.3922.613Oulet Pressurepsig0.000.000

(B) Selection of Control Valve LCV-43004-01 : Condenser Normal Make-up Control Valve

Selection of Condenser Normal Make-up Control ValveValve : LCV-43004-01

Sl. NoDescriptionUnitDataAt 0 flowat 13 GPM Flow (1.30% of operating flow1Friction Loss from Pump Discharge upto Upstream of Control valve of Condenser Normal Make-up Lineft of WC26.8226.747589411126.87112981772Considering 20% margin, Friction lossft of WC32.1832.1032.253Static Head Consideredft of WC7.507.507.504Total Head loss at upstream control valveft of WC39.6839.6039.755Pressure Head Available at upstream of control Valveft of WC50.3250.4050.256Density of Water at 800 Flbm/ft362.220362.220362.22037Pressure available at upstream of control Valvepsig21.7421.7821.71

Selection of Condenser Normal Make-up Control ValveValve : LCV-43004-01

Sl.NoDescriptionUnitData1Flow rategpm10.000.00132Inlet Pressurepsig21.7421.7821.713Oulet Pressurepsig0.000.000

(C) Selection Pressure Reducing Valve PRV-41004-01

Sl. NoDescriptionUnitDataFlow 11gpmFlow 49 gpm1Friction Loss from Pump Discharge upto Upstream of PRV of Sprint # 41ft of WC41.6631.45165086846.37234413932Considering 20% margin, Friction lossft of WC49.9937.7455.653Static Head Consideredft of WC7.507.507.504Total Head loss at upstream control valveft of WC57.4945.2463.155Pressure Head Available at upstream of control Valveft of WC32.5144.7626.856Density of Water at 800 Flbm/ft362.220362.220362.22037Pressure available at upstream of control Valvepsig14.0519.3411.60

Selection Pressure Reducing Valve PRV-41004-01

Sl.NoDescriptionUnitData1Flow rategpm41.0011.00492Inlet Pressurepsig14.0519.3411.603Oulet Pressurepsig2 to 52 to 52 to 5

(D) Selection Pressure Reducing Valve PRV-42004-01

Sl. NoDescriptionUnitData11 gpm49 gpm1Friction Loss from Pump Discharge upto Upstream of PRV of Sprint # 42ft of WC38.0531.191636237641.21288027472Considering 20% margin, Friction lossft of WC45.6637.4349.463Static Head Consideredft of WC7.507.504Total Head loss at upstream control valveft of WC53.1644.9349.465Pressure Head Available at upstream of control Valveft of WC36.8445.0740.546Density of Water at 800 Flbm/ft362.220362.220362.22037Pressure available at upstream of control Valvepsig15.9219.4717.52

Selection Pressure Reducing Valve PRV-42004-01

Sl.NoDescriptionUnitData1Flow rategpm41.0011.00492Inlet Pressurepsig15.9219.4717.523Oulet Pressurepsig2 to 52 to 52 to 5

(E) Selection Pressure Reducing Valve PRV-20004-01

Sl. NoDescriptionUnitData11 gpm49 gpm1Friction Loss from Pump Discharge upto Upstream of PRV of Sprint # 20ft of WC46.4529.85509861854.1132246042Considering 20% margin, Friction lossft of WC55.7435.8364.943Static Head Consideredft of WC7.507.507.504Total Head loss at upstream control valveft of WC63.2443.3372.445Pressure Head Available at upstream of control Valveft of WC26.7646.6717.566Density of Water at 800 Flbm/ft362.220362.220362.22037Pressure available at upstream of control Valvepsig11.5620.177.59

Selection Pressure Reducing Valve PRV-20004-01

Sl.NoDescriptionUnitData1Flow rategpm41.0011.00492Inlet Pressurepsig11.5620.177.593Oulet Pressurepsig2 to 52 to 52 to 5

Calculation of "K" factor for OrificeSl.No.Ratio of Orifice Diameter to Pipe Diameter "" Flow Coefficient "C"Orifice "K" = (1-^2)/(C^2*^4)Remarks10.50.6231.22 is assumed as 0.5 and flow is turbulent

Calculation of Pressure drop through 1 inch 100 mesh Y Strainer

Sl. No.Description Unit DataRemarks1Pressure droppsi1.56From Manufacturer's Catalog2Density of Waterlbm/ft362.0585From Steam Table at 95 0 F3Pressure dropft of WC3.62

Sewer Lifting Pump.Calculation of Sewer Pump Sizing :

A. Selection of Pump Capacity

SL. No.DescriptionUnitDataReference1As per Water Balance Diagram , the total sewer water during peak summer operationUSGPM50Drawing No. SRW-M-00-1003, Rev. B : Water Balance Diagram2Minimum Sewer Pump discharge pipe size , NBinch4Wygen 2, Unit 43Flow through 4 inch steel pipe with head loss 0.179 ft per 100 ftUS GPM50Refer Cameron Hydraulic Data.4No. of water cosumption points in the plant in respect of Showers, WC, Urinal,LAV and SinkNos.145Maximum water consumption per man per dayUS Gallon2506Considering all the toilets are used simultaneously , the total water discharged from all the consumption pointsUS GPM2.437 Capacity of PumpUS GPM508Taking 10% margin, the capacity of the pumpUS GPM559Selected Capacity of the PumpUS GPM6010Velocity of flow through pipeft/sec1.512. Calculation of Frictional Head considering sprint for unit #20 (Alternative -2)

SL. No.DescriptionPipe Size (NB, Inch)Pipe OD (inch)Pipe Thickness (inch)Pipe ID (inch)Pipe Legth (ft)Friction Factor for Pipe, fTPipe Line, "K"Butterfly Valve, K = 45*fTNRV, K=100fTGlobe Valve, K=340fT900 Bend, K= 30fT450 Bends, K= 16fTTee , Line, K=20fTTee , Branch , K=60fTReducerExpanderK for Exit LossFlow Meter,KTotal "K"Flow, USGPMFlow, ft3/secVelocity of flow, v (ft/sec)Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)]RemarksNos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.K =d1/d2Nos.K =d1/d21Individual header44.50.2374.02610.000.0170.50710.76511.7005.7820.5100.27210.3401.0200.0001.00000.0001.000004.33540.1201.360.12It is assumed that the Sewer Lift Pump will discharge in to WWC Mixing Pit.2Main Header44.50.2374.026550.000.01727.86900.13601.7005.7840.5100.27200.3401.0200.0001.00000.0001.0001030.91540.1201.360.893Total1.013. Selection of Pump HeadSl. NoDescription Unit Data1Frictional head ft of W.C.1.012Considering 20 % margin , the frictional headft of W.C.1.223Static Head (considered)ft of W.C.104Total Headft of W.C.11.225Let us consider TDH ft of W.C.20.00 Sewer Sump & Pumps in Sewer Lift StationSL .NoDescriptionUnitData1Total nos of Sewer PumpNo.2X100%2Capacity of each pumpUS GPM603Total Discharge Headft of W.C.204TypeVertical SubmersibleCalculation of Minimum Sump volume (Sewer Lift)

Sl. NoDescription Unit DataRemarks1Pumping Rate, QpUS GPM60Calculated2Inflow Rate, QfUS GPM50.00Calculated3Volume , V = (T*Qf)*(Qp-Qf)/QpUS gallon83.33The Hydraulic Design of Pump Sump and Intakes : By M.J. Prosser4Time between the startNos/hour65Net flow when not pumping, , QfUS GPM50.006Net flow when pumping, , (Qp-Qf)US GPM10.007Time taken to fill , t1 = V/QfMin1.678Time taken to empty, t2 =V/(Qp-Qf)Min8.339Time for complete cycle , T =(t1+t2) =(V*Qp)/[Qf*(Qp-Qf)]Mins1010Sump Volume considered, VUS gallon8511Sump Volume considered, Vft311.3612Sump Volume selected, Vft312Selection of Sump SizeSl. NoDescription Unit DataRemark1Required Volume of the sumpft312Calculated2Sump Length offeredinch36.625Flow Serve Offer3Sump Length consideredinch663Sump Length consideredft5.50Flow Serve Offer4Sump Width offeredinch65.375Flow Serve Offer for two pumpsSump Width consideredinch785Sump Width consideredft6.506Sump depthft0.347Sump depth required to accommodate the vertical pump onlyft1.76Flow Serve Offer8Sump depth Required ft2.67Selected Sump SizeSl. NoDescription Unit DataRemark1Lengthinch66As discussed with Mr. Bijan , Mr. Arman & Banida on 05.21.20132Widthinch783Depth (from bottom of Drain pipe)inch324Grade Elevationft-inch99.33As confired by Mr. Armen. 99'-4"5C.L. Elevation of the Sewage Pipeft92As confired by Mr. Armen6Pipe ODinch87Depth (From Grade)inch122Calculation of Water Levels in the Sump

Sl. NoDescription Unit DataRemark1Pump capacityUSGPM602Low Level Height from the bottom of the sumpinch7.75Flow Serve Offer3Considering operation of pump between Mid Level and high levelMins5Operation time is selected based on the advise of Banida on 05/21/20134Height of the Mid level from low levelft1.125Height of the Mid level from low level consideredinch136Height of High Level from Mid Levelinch5.00Operation time is selected based on the advise of Banida on 05/21/20137Height of High Level from drain pipe BOP inch6.00Operation time is selected based on the advise of Banida on 05/21/20139Total height of the sumpinch32.2110Total height of the sump consideredinch32Total height of the sump consideredft2.6711Volume between mid level and low levelft340.1112Volume between mid level and low levelUS GPM300.02So the sump sizing is O.K

Selection of Sump

Sl. NoDescription Unit DataRemark1Grade Elevationft99.672C.L. Elevation of the Sewage Pipeft923Sump Depth from bottom of drain pipeft2.67

Sump Pump HRSG Blowdown Sump Calculation of Permanently Installed Blodown Pump Sizing :

A. Selection of Pump CapacitySL. No.DescriptionUnitDataReference1As per Water Balance Diagram , the total HRSG CBD/IBD blowdown during peak summer operationUS GPM9Drawing No. SRW-M-00-1003, Rev. B : Water Balance Diagram2Considering that the blowdown sump will have storage minutes30As recommended by Mr. B.K.M3The storage capacity of blowdown sumpUS Gallon2704Interval of blowdown sump pump operationminutes15As recommended by Mr. B.K.M5Capacity of Blowdown Sump PumpUS GPM186Taking 10% margin, the capacity of the pumpUS GPM19.89Selected Capacity of the PumpUS GPM2510Actual operation of pump to evacute the sumpminutes10.8Selection is o.k.

B. Selection of Pipe SizeSL. No.DescriptionUnitDataReference1Total water flowUS GPM252Consider minimum pipe size as inch23Velocity of flow ft/sec2.83Ref: Camereron Hydraulic Data

2. Calculation of Frictional Head

SL. No.DescriptionPipe Size (NB, Inch)Pipe OD (inch)Pipe Thickness (inch)Pipe ID (inch)Pipe Legth (ft)Friction Factor for Pipe, fTPipe Line, "K"Butterfly Valve, K = 45*fTNRV, K=100fTGlobe Valve, K=340fT900 Bend, K= 30fT450 Bends, K= 16fTTee , Line, K=20fTTee , Branch , K=60fTReducerExpanderK for Exit LossFlow Meter,KTotal "K"Flow, USGPMFlow, ft3/secVelocity of flow, v (ft/sec)Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)]RemarksNos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.K =d1/d2Nos.K =d1/d21Individual header22.3750.2181.93910.000.0191.17610.85511.9006.4620.5700.30410.3801.1400.0001.00000.0001.000005.45250.0562.720.62It is assumed that the Blow down Pump will discharge into cooling tower basin2Main Header22.3750.2181.939900.000.01794.68800.13601.7005.7840.5100.27200.3401.0200.0001.00000.0001.0001097.73250.0562.7211.203Total11.823. Selection of Pump HeadSl. NoDescription Unit DataRemarks1Frictional head ft of W.C.11.822Considering 20 % margin , the frictional headft of W.C.14.193Static Head (considered)ft of W.C.10REF.SPX Clarfication. The head required at riser isolation valve end is 22.3 ft. However, the discharge of the pump shall be terminated to cooling tower basin7Total Headft of W.C.24.198Let us consider TDH ft of W.C.30.00

HRSG Blowdown Sump & Sump Pumps per unitSL .NoDescriptionUnitData1Total nos of Blowdown sump pump per unitNo.2X100%2Capacity of each pumpUS GPM253Total Discharge Headft of W.C.30.004TypeVertical wet pit typeCalculation of Minimum Sump volume (HRSG Blow down Area)

Sl. NoDescription Unit Data1Pumping Rate, QpUS GPM252Inflow Rate, QfUS GPM9.003Volume , V = (T*Qf)*(Qp-Qf)/QpUS gallon57.604Time between the startNos/hour65Net flow when not pumping, , QfUS GPM9.006Net flow when pumping, , (Qp-Qf)US GPM16.007Time taken to fill , t1 = V/QfMin6.408Time taken to empty, t2 =V/(Qp-Qf)Min3.609Time for complete cycle , T =(t1+t2) =(V*Qp)/[Qf*(Qp-Qf)]Mins1010Sump Volume considered, VUS gallon6011Sump Volume considered, Vft38.0212Sump Volume selected, Vft310Selection of Sump SizeSl. NoDescription Unit DataRemark1Required Volume of the sumpft310Calculated2Sump Length offeredinch62Flow Serve Offer3Sump Length consideredinch724Sump Length consideredft6.005Sump Width offeredinch42Flow Serve Offer6Sump Width consideredinch487Sump Width consideredft48Sump depthft0.429Sump depth required to accommodate the vertical pump onlyft1.33Flow Serve Offer10Sump depth consideredft3.5Selected Sump SizeSl. NoDescription Unit DataRemark1Lengthinch72As discussed with Mr. Bijan , Mr. Arman & Banida on 05.21.20132Widthinch483Depthinch36Calculation of Water Levels in the SumpSl. NoDescription Unit DataRemark1Pump capacityUSGPM252Low Level Height from the bottom of the sumpinch16Flow Serve Offer3Considering operation of pump between Mid Level and high levelMins5Operation time is discussed with Banida4Height of the Mid level from low levelft0.705Height of the Mid level from low level consideredinch8.366Height of High Level from Mid Levelinch4.187Height of High Level from Grade Levelinch6.009Total height of the sumpinch3510Total height of the sump consideredinch3610Volume between low level and mid levelft316.7111Volume between low level and mid levelUS Gallon125.01Sump Size is O.K

Turbine Area Sump PumpCalculation of Permanently Installed Sump Pump Sizing for Turbine Area Sump.:

Assumption :1. The lekage water from Condensate discharge piping & CW supply and return piping shall be collected in the sump near Turbine area.2. For calculation of sump pump sizing continuous leakage from Condensate Pump discharge is assumed as a worst senario because of higher pressure compare to that of Circulating Water Pumps.

A. Selection of Pump CapacitySL. No.DescriptionUnitDataReferenceRemarks1Condensate Pump discharge headft of W.C.610Refer Condensate Pump Specification2Velocity of flow , v = (2*g*H)^0.5ft/sec198.20As recommended by Mr. B.K.M3Hole size inch0.4Assumed4Total flow through the hole, Qft3/sec0.17As recommended by Mr. B.K.M5Total flow through the hole, QUS GPM77.636Taking 10% margin, the capacity of the pumpUS GPM85.397Selected Capacity of the PumpUS GPM100

B. Selection of Pipe SizeSL. No.DescriptionUnitDataReference1Total water flowUS GPM1002Consider minimum pipe size as inch33Velocity of flow ft/sec4.34Ref: Camereron Hydraulic Data

2. Calculation of Frictional Head

SL. No.DescriptionPipe Size (NB, Inch)Pipe OD (inch)Pipe Thickness (inch)Pipe ID (inch)Pipe Legth (ft)Friction Factor for Pipe, fTPipe Line, "K"Butterfly Valve, K = 45*fTNRV, K=100fTGlobe Valve, K=340fT900 Bend, K= 30fT450 Bends, K= 16fTTee , Line, K=20fTTee , Branch , K=60fTReducerExpanderK for Exit LossFlow Meter,KTotal "K"Flow, USGPMFlow, ft3/secVelocity of flow, v (ft/sec)Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)]RemarksNos.KNos.KNos.KNos.KNos.KNos.KNos.KNos.K =d1/d2Nos.K =d1/d21Individual header33.50.2163.06810.000.0190.74310.85511.9006.4620.5700.30410.3801.1400.0001.00000.0001.000005.02900.2013.911.19It is assumed that the Blow down Pump will discharge into cooling tower basin2Main Header33.50.2163.068450.000.01729.92200.13601.7005.7840.5100.27200.3401.0200.0001.00000.0001.0001032.96900.2013.917.813Total9.003. Selection of Pump HeadSl. NoDescription Unit Data1Frictional head ft of W.C.9.002Considering 20 % margin , the frictional headft of W.C.10.803Static Head (considered)ft of W.C.127Total Headft of W.C.22.808Let us consider TDH ft of W.C.30.00

Sump & Sump Pump at Turbine Area.SL .NoDescriptionUnitData1Total nos of Turbine Area sump pump No.2X100%2Capacity of each pumpUS GPM1003Total Discharge Headft of W.C.30.004TypeVertical wet pit typeNote : The depth of sump is considered as 10 ft based on the advice of Mr. S. Dutta .Calculation of Minimum Sump volume (Turbine Area)

Sl. NoDescription Unit Data1Pumping Rate, QpUS GPM1002Inflow Rate, QfUS GPM77.633Volume , V = (T*Qf)*(Qp-Qf)/QpUS gallon173.654Time between the startNos/hour65Net flow when not pumping, , QfUS GPM77.636Net flow when pumping, , (Qp-Qf)US GPM22.377Time taken to fill , t1 = V/QfMin2.248Time taken to empty, t2 =V/(Qp-Qf)Min7.769Time for complete cycle , T =(t1+t2) =(V*Qp)/[Qf*(Qp-Qf)]Mins1010Sump Volume considered, VUS gallon17411Sump Volume considered, Vft323.2612Sump Volume selected, Vft330Selection of Sump SizeSl. NoDescription Unit DataRemark1Required Volume of the sumpft330Calculated2Sump Length offeredinch62Flow Serve Offer3Sump Length consideredinch624Sump Length consideredft5.175Sump Width offeredinch42Flow Serve Offer6Sump Width consideredinch485Sump Width consideredft4Flow Serve Offer6Sump depthft1.457Sump depth required to accommodate the vertical pump onlyft1.30Flow Serve Offer8Sump depth consideredft3.5Selected Sump SizeSl. NoDescription Unit DataRemark1Lengthinch62Asdiscussed with Mr. Bijan , Mr. Arman & Banida on 05.21.20132Widthinch483Depthinch72Calculation of Water Levels in the SumpSl. NoDescription Unit DataRemark1Pump capacityUSGPM1002Low Level Height from the bottom of the sumpinch16Flow Serve Offer3Considering operation of pump between Mid Level and high levelMins5Operation time is selected based on the advise of Banida on 05/21/20134Height of the Mid level from low levelft3.235Height of the Mid level from low level consideredinch396Height of High Level from Mid Levelinch12As advised by Banida on 05/21/20137Height of High Level from Grade Levelinch6As advised by Banida on 05/21/20138Total height of the sumpinch739Total height of the sump consideredinch72As advised by Banida on 05/21/201310Total Height of the sumpft611Total volume between low level and mid levelft366.8412Total volume between low level and mid levelUS Gallon500So the size of the sump is O.K

CT Aux. Building Sump PumpCalculation of Cooling Tower Aux. Building Permanently Installed Sump Pump Sizing :

Assumption :1. The pump capacity is based on the total water requirement for the operation of the safety shower .

A. Selection of Pump CapacitySL. No.DescriptionUnitDataReference1Water discharge from the operation of one safety showerUS GPM20Drawing No. SRW-M-00-1003, Rev. B : Water Balance Diagram2The duration of operation of safety showerminutes15As recommended by Mr. B.K.M3Total water discharge from the operation of one safety shower for 15 minutesUS Gallon300As recommended by Mr. B.K.M4Interval of blowdown sump pump operationminutes10As recommended by Mr. B.K.M5Assuming that the total water will be pumped out by Pump within 10 minutes, the capacity of the pumpUS GPM30As recommended by Mr. B.K.M9Selected Capacity of the PumpUS GPM30

B. Selection of Pipe SizeSL. No.DescriptionUnitDataReference1Total water flowUS GPM302Consider minimum pipe size as inch23Velocity of flow ft/sec3.26Ref: Camereron Hydraulic Data

C Selection of Pump HeadThe pump will discharge into the cooling tower basin which is about 100 ft from the Cooling Tower Aux. Building Sump and the discharge pressure of the pump is considered as 20 ft.

Cooling Tower Aux. Building Sump & Sump Pumps

SL .NoDescriptionUnitData1Total nos of sump pumps at cooling tower Aux. Building No.2X100%2Capacity of each pumpUS GPM303Total Discharge Headft of W.C.20.004TypeVertical Wet pit type .Calculation of Minimum Sump volume (Cooling Tower Aux. Building Area)

Sl. NoDescription Unit Data1Pumping Rate, QpUS GPM302Inflow Rate, QfUS GPM20.003Volume , V = (T*Qf)*(Qp-Qf)/QpUS gallon66.674Time between the startNos/hour65Net flow when not pumping, , QfUS GPM20.006Net flow when pumping, , (Qp-Qf)US GPM10.007Time taken to fill , t1 = V/QfMin3.338Time taken to empty, t2 =V/(Qp-Qf)Min6.679Time for complete cycle , T =(t1+t2) =(V*Qp)/[Qf*(Qp-Qf)]Mins1010Sump Volume considered, VUS gallon7011Sump Volume considered, Vft39.3612Sump Volume selected, Vft310Selection of Sump SizeSl. NoDescription Unit DataRemark1Required Volume of the sumpft310Calculated2Sump Length offeredinch62Flow Serve OfferSump Length consideredinch723Sump Length consideredft6.004Sump Width offeredinch42Flow Serve OfferSump Width consideredinch425Sump Width consideredft3.5Flow Serve Offer6Sump depthft0.487Sump depth required to accommodate the vertical pump onlyft1.33Flow Serve Offer8Sump depth consideredft3.5Selected Sump SizeSl. NoDescription Unit DataRemark1Lengthinch72Asdiscussed with Mr. Bijan , Mr. Arman & Banida on 05.21.20132Widthinch423Depthinch38Calculation of Water Levels in the SumpSl. NoDescription Unit DataRemark1Pump capacityUSGPM302Low Level Height from the bottom of the sumpinch16Flow Serve Offer3Considering operation of pump between Mid Level and high levelMins5Operation time is discussed with Banida4Height of the Mid level from low levelft0.955Height of the Mid level from low level consideredinch116Height of High Level from Mid Levelinch57Height of High Level from Grade Levelinch68Total height of the sumpinch389Total height of the sump consideredinch3810Total volume between low level and mid levelft320.0512Total volume between low level and mid levelUS Gallon150So the size of the sump is O.K

NH3 Area Portable Sump PumpCalculation of Ammonia Storage Area Portable Sump Pump Sizing :

Assumption :1. The pump capacity is based on the total water requirement for the operation of the safety shower .

A. Selection of Pump CapacitySL. No.DescriptionUnitDataReference1Water discharge from the operation of one safety showerUS GPM20Drawing No. SRW-M-00-1003, Rev. B : Water Balance Diagram2The duration of operation of safety showerminutes15As recommended by Mr. B.K.M3Total water discharge from the operation of one safety shower for 15 minutesUS Gallon300As recommended by Mr. B.K.M4Interval of blowdown sump pump operationminutes10As recommended by Mr. B.K.M5Assuming that the total water will be pumped out by Portable Pump within 10 minutes, the capacity of the pumpUS GPM30As recommended by Mr. B.K.M9Selected Capacity of the PumpUS GPM30

B. Selection of Pipe SizeSL. No.DescriptionUnitDataReference1Total water flowUS GPM302Consider minimum pipe size as inch23Velocity of flow ft/sec3.26Ref: Camereron Hydraulic Data

C Selection of Pump HeadAssuming that the pump will be discharged into the road tanker/cooling tower basin, the discharge pressure of the pump is considered as 30 ft.

Ammonia Storage Area Sump and Portable Sump Pump

SL .NoDescriptionUnitData1Total nos of Portable sump pump No.3X100%2Capacity of each pumpUS GPM303Total Discharge Headft of W.C.30.004TypeVertical SubmersibleCalculation of Minimum Sump volume (Ammonia Storage Area)

Sl. NoDescription Unit DataRemarks1Pumping Rate, QpUS GPM302Inflow Rate, QfUS GPM20.003Volume , V = (T*Qf)*(Qp-Qf)/QpUS gallon66.674Time between the startNos/hour65Net flow when not pumping, , QfUS GPM20.006Net flow when pumping, , (Qp-Qf)US GPM10.007Time taken to fill , t1 = V/QfMin3.338Time taken to empty, t2 =V/(Qp-Qf)Min6.679Time for complete cycle , T =(t1+t2) =(V*Qp)/[Qf*(Qp-Qf)]Mins1010Sump Volume considered, VUS gallon7011Sump Volume considered, Vft39.3612Sump Volume selected, Vft310Selection of Sump SizeSl. NoDescription Unit DataRemark1Required Volume of the sumpft310Calculated2Sump Length offeredinch16.4Flow Serve OfferSump Length consideredinch363Sump Length consideredft3.004Sump Width offeredinch11.1875Flow Serve OfferSump Width consideredinch365Sump Width consideredft3Flow Serve Offer6Sump depthft1.117Sump depth required to accommodate the vertical pump onlyft0.53Flow Serve Offer8Sump depth consideredftSelected Sump SizeSl. NoDescription Unit DataRemark1Lengthinch36Asdiscussed with Mr. Bijan , Mr. Arman & Banida on 05.21.20132Widthinch363Depthinch52Calculation of Water Levels in the SumpSl. NoDescription Unit DataRemark1Pump capacityUSGPM302Low Level Height from the bottom of the sumpinch6.375Flow Serve Offer3Considering operation of pump between Mid Level and high levelMins5Operation time is discussed with Banida4Height of the Mid level from low levelft2.235Height of the Mid level from low level consideredinch276Height of High Level from Mid Levelinch137Height of High Level from Grade Levelinch68Total height of the sumpinch529Total height of the sump consideredinch5210Total volume between low level and mid levelft320.0511Total volume between low level and mid levelUS Gallon150So the size of the sump is O.K

Portable Sump Pump for TransforCalculation of sizing of Portable Sump Pump for Trasformer Pit

A. Selection of capacity of the PumpSl No. DescriptionUnitData.Remarks1Total capacity of transformer oil for 125 MVA Transformerliter31000Information received from Electrical Department2Total capacity of transformer oil for 125 MVA TransformerUS Gallon8189.33513Consider that the total oil will be disposed off by portable sump pump Minutes904Capacity of the pumpUS GPM90.995Considering 10 % margin, the capacity of the pumpUS GPM1006Selected capacity of the pumpUS GPM100B. Selection of Pipe SizeSL. No.DescriptionUnitDataReference1Total water flowUS GPM1002Consider minimum pipe size as inch33Velocity of flow ft/sec4.34Ref: Camereron Hydraulic DataC Selection of Pump HeadAssuming that the pump will be discharged into the road tanker, the discharge pressure of the pump is considered as 20 ft.

125 MVA Transformer Area Sump & Portable Sump Pump

SL .NoDescriptionUnitData1Total nos of Portable sump pump No.1X100%2Capacity of each pumpUS GPM1003Total Discharge Headft of W.C.20.004TypeVertical SubmersibleCalculation of Minimum Sump volume (Transformer Pit for 125 MVA Transformer)

Sl. NoDescription Unit DataRemarks1Pumping Rate, QpUS GPM1002Inflow Rate, QfUS GPM90.993Volume , V = (T*Qf)*(Qp-Qf)/QpUS gallon81.964Time between the startNos/hour65Net flow when not pumping, , QfUS GPM90.996Net flow when pumping, , (Qp-Qf)US GPM9.017Time taken to fill , t1 = V/QfMin0.908Time taken to empty, t2 =V/(Qp-Qf)Min9.109Time for complete cycle , T =(t1+t2) =(V*Qp)/[Qf*(Qp-Qf)]Mins1010Sump Volume considered, VUS gallon10011Sump Volume considered, Vft313.3712Sump Volume selected, Vft315Selection of Sump SizeSl. NoDescription Unit DataRemark1Required Volume of the sumpft315Calculated2Sump Length offeredinch36.625Flow Serve OfferSump Length consideredinch603Sump Length consideredft5.004Sump Width offeredinch32.69Flow Serve OfferSump Width consideredinch605Sump Width consideredft5Flow Serve Offer6Sump depthft0.607Sump depth required to accommodate the vertical pump onlyft0.67Flow Serve Offer8Sump depth consideredftSelected Sump SizeSl. NoDescription Unit DataRemark1Lengthinch60Asdiscussed with Mr. Bijan , Mr. Arman & Banida on 05.21.20132Widthinch603Depthinch56Calculation of Water Levels in the SumpSl. NoDescription Unit DataRemark1Pump capacityUSGPM1002Low Level Height from the bottom of the sumpinch8.06Flow Serve Offer3Considering operation of pump between Mid Level and high levelMins5Operation time is discussed with Banida4Height of the Mid level from low levelft2.675Height of the Mid level from low level consideredinch326Height of High Level from Mid Levelinch107Height of High Level from Grade Levelinch68Total height of the sumpinch569Total height of the sump consideredinch5610Total volume between low level and mid levelft366.8411Total volume between low level and mid levelUS Gallon500So the size of the sump is O.K

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