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PS Discharge Pressure (psi) What is Surge • Transient cycling can be a concern, esp. for plastic pipe, which can fail prematurely from cyclic Wolpert Road Pump Station Surge Conditions with One Pump Normal Shutdown fatigue 160 140 120 100 80 60 40 20 0 -20 0 100 200 300 400 500 600 700 Time (seconds) 6
Surge Control Devices • Surge Relief & Surge Anticipating Valves • Check Valves and Pump Control Valves • Air and Vacuum Valves • Standpipes • Hydro-pneumatic Surge Tanks • Compressor style • Bladder style 7
Page 1 and 2: Ohio Section AWWA Annual Conference
Page 3 and 4: Introduction • Surge modeling has
Page 5: What is Surge • Both high & low t
Page 9 and 10: Surge Modeling: Why Model Surge •
Page 11 and 12: Surge Modeling: Information Require
Page 13 and 14: Surge Model Calibration: Reasons/Be
Page 15 and 16: Surge Model Calibration: Applicatio
Page 17 and 18: Case Study 1: Kentucky • Frequent
Page 19 and 20: Case Study 1: Kentucky - One Pump S
Page 21 and 22: Case Study 1: Kentucky • Final so
Page 23 and 24: Case Study 1: Kentucky • Check va
Page 25 and 26: Case Study 1: Kentucky - Trip All P
Page 27 and 28: Case Study 2: Maryland • Several
Page 29 and 30: Case Study 2: Maryland - HSPS Power
Page 31 and 32: Case Study 2: Maryland - Opening Va
Page 33 and 34: Case Study 2: Maryland - Alternativ
Page 35 and 36: Case Study 2: Maryland - Field Data
Page 37 and 38: Case Study 2: Maryland - Field Data
Page 39 and 40: Case Study 3: Ohio • 15 MGD WTP H
Page 41 and 42: Case Study 3: Ohio - Normal Pump Sh
Page 43 and 44: Model-Predicted Pressure (psi) Case
Page 45 and 46: Conclusions Successful surge improv
Page 47: Questions Contact Info: Bo Copeland

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