MRT NEL C7005

K_VALUEPARSONS BRINCKERHOFF (ASIA) LTDProject Name :C1106 Shatin to Central LinkProject No. :2511018ACalculation No.:M09Service :ECSRevision:ASubject :HUH - Pump Head CalculationDesign Criteria for Pipe Sizing (NWDSM Section 7.8.2.8.1.2(c)):DescriptionSizing RequirementRemarkMax. Chiller Water Flow Velocity2.5 m/s (Main Pipe Line)2.0 m/s (Branch Pipe)1.5 m/s (Header Pipe)Max. Pressure Drop in Chilled Water Pipe200 - 300 Pa/mK Factor and Pressure Loss of Pipe Fitting:ItemFITTINGK FactorFitting Loss (Pa)RemarksReference1Globe Valve4.0CIBSE C4.36Assume d >= 50mm, A2/A1 = 0.72Modulating Valve6.0CIBSE C4.36Assume d >= 75mm, A2/A1 = 0.73Regulating Valve2.0CIBSE C4.36Assume d >= 75mm, angle = 60o4Gate Valve0.1CIBSE C4.36Assume d = 25mm5Butterfly Valve0.8CIBSE C4.36Assume t/d=0.36Check Valve2.0CIBSE C4.367Elbow0.3CIBSE C4.368Tee (Straight)0.2CIBSE C4.369Tee (Branch)1.2CIBSE C4.36Assume 0.5 + 0.3 (Elbow) + 0.4 (Size) = 1.210Reducer0.4CIBSE C4.36Assume A2/A1=0.411Expansion0.35CIBSE C4.36Assume A1/A2=0.412Straight Pipe0.0See Remark a)ASHRAE Fundamental 2005,Ch.36.113Flexible Connector0.2Assumption-14Expansion Bellow0.2Assumption-15Strainer4.5Australian Pump Handbook16Heat Exchanger0.050000Static LiftCatalogue - SPX Cooling Technologies17Condenser Coil0.075000Technical InformationCatalogue - Trane18Evaporator Coil0.040900Technical InformationCatalogue - Trane19AHU Cooling Coil0.045000Assumption-20FCU Cooling Coil0.020000Technical InformationCatalogue - Sinko21Diverging0.5CIBSE C4.3522Converging0.5CIBSE C4.36Remark:a)Hazen-Williams Equation:Roughness factor Cnew steel pipe =140AUTO FLOW VALVE0.022000FlowConFLOAT VALVE0.015000Based on supplier's data

CHP -1 TO 3PARSONS BRINCKERHOFF CONSULTANTS PTE LTDCOMPUTATION SHEETProject Name : MRT C7005 (C709 - CNT STATION)Prepared By :EYRev. AAdd entranceProject No. :6195Checked By :IRENE TEOService :ECS INSTALLATIONApproved By :VINCENT HANDate :24/3/99Index no. :AC-008PUMP HEAD CALCULATIONPUMP DESIGNATION : CHP - 1 TO CHP - 3LOCATION : SE PLATFORMSECTIONQPIPE SIZEDP/LVLFITTINGS / PLANTK VALUEVelocityQTYS N/m2REMARKSREF.(l/s)(mm)(N/m2/m)(m/s)(m)(K)Head (Pa)(nos.)11.7125175.01.01.9STRAIGHT PIPE0.0454.4332.530.1150175.01.7383.4STRAIGHT PIPE0.01446.467095.056.7200140.01.818.7STRAIGHT PIPE0.01625.42618.056.725040.01.224.4STRAIGHT PIPE0.0665.8976.0CHILLEREVAPORATOR COIL140900.028.31501.6BUTTERFLY VALVE0.81284.722055.528.31501.6FLEXIBLE JOINT0.01284.720.028.31501.6AUTO FLOW VALVE10.028.31501.6MOTORISED VALVE0.01284.710.028.31501.6REDUCER0.41284.71513.928.31501.6EXPANSION0.41284.71449.6PUMP28.31501.6FLEXIBLE JOINT0.01284.720.028.31501.6BUTTERFLY VALVE0.81284.722055.528.31501.6GLOBE VALVE4.01284.715138.828.31501.6MOTORISED VALVE0.01284.710.028.31501.6CHECK VALVE2.01284.712569.428.31501.6STRAINER4.51284.715781.228.31501.6REDUCER0.41284.71513.928.31501.6EXPANSION0.41284.71449.6AHU11.71251.0FLEXIBLE JOINT0.0454.420.011.71251.0BUTTERFLY VALVE0.8454.42727.011.71251.0MODULATING VALVE6.0454.412726.211.71251.0AUTO FLOW VALVE10.011.71251.0STRAINER4.5454.412044.711.7125COOLING COIL10.0FITTINGS11.71251.0REDUCER0.4454.41181.711.71251.0EXPANSION0.4454.41159.027.31501.5ELBOW0.31193.9258954.027.31501.5TEE0.01193.960.027.31501.5REDUCER0.41193.931432.627.31501.5EXPANSION0.41193.931253.627.31501.5BUTTERFLY VALVE0.81193.921910.227.31501.5REGULATING VALVE2.01193.912387.756.72001.8ELBOW0.31626.052438.956.72001.8TEE0.01626.020.056.72001.8REDUCER0.41626.021300.856.72001.8EXPANSION0.41626.01569.156.72501.2TEE0.0666.0130.0NOTES :HYDRAULIC LOSS TO FURTHEST FCU/AHU WITH 2 CHW PUMPS RUNNING.TOTAL0.0PaADD 10% S.F0.0PaUSE0.0KPa

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HTWPPaul Y. (E & M) Contractors LimitedProject Name :Re-Provision of Kennedy Town Swimming Pool (Phase 2)Project No. :MTR 713Service :ECSSubject :Heating Water Pump Head CalculationPump Designation :HTWP-01~03 (2 Duty, 1 Standby,13.4l/s each)Location :G/F AC Plant Room 1SectionRef.Q(l/s)Pipe Size(mm)DP/L(Pa/m)V(m/s)L(m)Fittings / PlantK FactorVelocityPressure(Pa)Qty.(NOS)DP(Pa)RemarksPIPEWORK13.40HTWP-031013.401251.1Expansion0.4596120913.401251.1Flexible Connector0.2596111913.40125941.10.2Straight Pipe0.05961913.401251.1Elbow0.3596117913.401251.1Check Valve2.05961119213.401251.1Regulating Valve2.05961119213.401251.1Gate Valve0.159616013.40125941.11.0Straight Pipe0.05969413.402000.4Tee (Branch)0.991177A1/A2=0.4, Enlargement13.40200100.41.2Straight Pipe0.09112Header13.402000.4Tee (Straight)0.291118Header13.40200100.40.2Straight Pipe0.0912Header13.402000.4Tee (Branch)1.191195A2/A1=0.56, Reduction26.801501401.50.6Straight Pipe0.011508426.801501.5Elbow0.31150134526.801501401.51.0Straight Pipe0.0115014026.801501.5Elbow0.31150134526.801501401.58.0Straight Pipe0.01150112026.801501.5Elbow0.31150134526.801501401.52.5Straight Pipe0.0115035026.801501.5Elbow0.31150134526.801501401.513.7Straight Pipe1.31150191826.801501.5Elbow0.31150134526.801501401.59.5Straight Pipe0.01150133026.801501.5Elbow0.31150134526.801501401.50.5Straight Pipe0.011507026.801501.5Elbow0.31150134526.801501401.54.0Straight Pipe0.0115056026.801501.5Elbow0.31150134526.801501401.51.9Straight Pipe0.011502668.80801.8Tee (Straight)0.7153219968.80803811.812.1Straight Pipe0.0153246108.80801.8Gate Valve0.1153211538.80801.8Regulating Valve2.01532130648.80801.8Elbow2.01532130648.80803811.80.5Straight Pipe0.015321918.80801.8Elbow0.3153214608.80803811.80.5Straight Pipe0.015321918.80801.8Elbow0.3153214608.80803811.84.0Straight Pipe0.0153215248.80801.8Elbow0.3153214608.80803811.83.1Straight Pipe0.0153211818.80801.8Elbow1.51532122228.80803811.82.2Straight Pipe0.015328388.80801.8Elbow0.3153214608.80803811.819.4Straight Pipe0.0153273918.40801.7Tee (Straight)0.2139612798.40803501.70.7Straight Pipe0.013962458.40801.7Elbow0.3139614198.40803501.74.3Straight Pipe0.0139615058.40801.7Flexible Connector0.2139612798.40801.7Gate Valve0.1139611408.00801.6Tee (Straight)0.2126612538.00803201.63.1Straight Pipe0.012669928.00801.6Elbow0.3126613808.00803201.64.9Straight Pipe0.0126615687.60801.5Tee (Straight)0.2114312297.60802911.56.2Straight Pipe0.0114317907.60801.5Elbow0.3114313437.60802911.51.3Straight Pipe0.011433787.20801.4Tee (Straight)0.2102612057.20802631.44.5Straight Pipe0.0102611787.20801.4Elbow0.3102613087.20802631.41.0Straight Pipe0.010262757.20801.4Elbow0.3102613087.20802631.49.1Straight Pipe0.0102623896.40801.3Tee (Branch)1.281019726.40802111.32.0Straight Pipe0.08104303.60501.8Tee (Branch)1.21680120163.60507191.80.6Straight Pipe0.016804663.60501.8Elbow0.3168015043.60507191.80.1Straight Pipe0.01680723.60501.8Elbow0.3168015043.60507191.82.0Straight Pipe0.0168014383.60501.8Elbow0.3168015043.60507191.80.1Straight Pipe0.01680723.60501.8Elbow0.3168015043.60507191.80.7Straight Pipe0.016805183.60501.8Elbow1.31680121843.60507191.82.0Straight Pipe0.0168014163.20501.6Tee (Straight)0.2132812663.20505781.67.8Straight Pipe0.0132845342.80501.4Tee (Straight)0.2101712032.80504511.43.8Straight Pipe0.0101717072.80501.4Elbow0.8101718132.80504511.47.5Straight Pipe0.0101733722.40501.2Tee (Straight)0.274711492.40503391.25.3Straight Pipe0.074717822.40501.2Elbow0.374712242.40503391.23.6Straight Pipe0.074712062.00501.0Tee (Straight)0.251911042.00502421.00.9Straight Pipe0.05192092.00501.0Elbow0.351911562.00502421.01.2Straight Pipe0.05192902.00501.0Elbow0.351911562.00502421.01.9Straight Pipe0.05194692.00501.0Elbow0.351911562.00502421.00.7Straight Pipe0.05191622.00501.0Elbow0.351911562.00502421.02.2Straight Pipe0.05195281.60401.3Tee (Straight)0.581013651.60404751.34.5Straight Pipe0.081021380.80251.6Tee (Branch)1.21328115930.802512971.61.6Straight Pipe0.0132820750.80251.6Elbow0.3132813980.802512971.64.8Straight Pipe0.0132862260.80251.6Elbow1.51328119250.802512971.60.6Straight Pipe0.013287780.80251.6Elbow0.3132813980.802512971.69.7Straight Pipe1.51328126040.80251.6Elbow0.6132817970.802512971.61.8Straight Pipe0.0132823840.80251.6Elbow0.3132813980.802512971.63.5Straight Pipe0.0132845030.80251.6Elbow0.91328111950.802512971.60.6Straight Pipe0.013287300.40250.8Tee (Branch)1.233213980.40253590.82.4Straight Pipe0.03328780.40250.8Gate Valve0.13321330.40250.8Reducer0.433211330.40250.8FCU160000.40250.8Reducer0.433211330.40250.8Modulating Valve6.0332119920.40250.8Globe Valve4.033211328HTWR10992126.801501.5Elbow0.31150134526.801501401.51.0Straight Pipe0.0115014026.801501.5Elbow0.31150134526.801501401.51.4Straight Pipe0.0115019626.801501.5Elbow0.31150134526.801501401.58.0Straight Pipe0.01150112026.801501.5Elbow0.31150134526.801501401.513.6Straight Pipe0.01150190426.801501.5Elbow0.31150134526.801501401.52.5Straight Pipe0.0115035026.801501.5Elbow0.31150134526.801501401.57.5Straight Pipe0.01150105026.801501.5Elbow0.31150134526.801501401.51.0Straight Pipe0.0115014026.801501.5Elbow0.31150134526.801501401.55.0Straight Pipe0.0115070026.801501.5Elbow0.31150134526.801501401.51.0Straight Pipe0.0115014026.801501.5Gate Valve0.11150111526.801501.5Reducer0.41150146026.80Tank02000026.801501.5Expansion0.41150140226.801501401.52.4Straight Pipe0.0115033613.402000.4Tee (Branch)1.091186A1/A2=0.6, Enlargement13.40200100.40.6Straight Pipe0.0916Header13.401251.1Tee (Branch)1.25961715A2/A1=0.4, Reduction13.40125941.10.5Straight Pipe0.05964713.401251.1Elbow0.3596117913.40125941.10.5Straight Pipe0.05964713.401251.1Gate Valve0.159616013.401251.1Strainer4.55961268213.401251.1Flexible Connector0.2596111913.401251.1Reducer0.45961238Total (kPa) :284Safety Factor 10% (kPa) :28Total Pressure Head (kPa) :313Pump Capacity (l/s) :13Calculated by :Checked by: