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SPRINGETTSBURY TOWNSHIP

SPRINGETTSBURY TOWNSHIP. Springettsbury Township . Wastewater Treatment Plant. Springettsbury Watewater Treatment Plant. Service Area WWTP History BNR Upgrade UV Disinfection Upgrade Administration Addition Construction Costs. Service Area. Springettsbury Township Windsor Borough

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SPRINGETTSBURY TOWNSHIP

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  1. SPRINGETTSBURY TOWNSHIP

  2. Springettsbury Township Wastewater Treatment Plant

  3. Springettsbury Watewater Treatment Plant • Service Area • WWTP History • BNR Upgrade • UV Disinfection Upgrade • Administration Addition • Construction Costs

  4. Service Area • Springettsbury Township • Windsor Borough • Red Lion Borough • Yoe Borough • Dallastown Borough • Windsor Township And Portions of: • Manchester Township • Spring Garden Township • York Township Approximate Population Serviced - 70,000

  5. Service Area Collection System withinSpringettsbury Includes • 120 Miles of Gravity Sewer • 7 Pumping Stations • 20 Miles of Forcemain

  6. Springettsbury Watewater Treatment Plant • Service Area • WWTP History • BNR Upgrade • UV Disinfection Upgrade • Administration Addition • Construction Costs

  7. Wastewater Treatment Plant History • The Springettsbury Wastewater Treatment Plant as it appeared in 1970 • The Plant was Permitted for 8 Million Gallons Per Day

  8. Wastewater Treatment Plant History • In 1984 the Wastewater Treatment Plant Underwent an Upgrade and Expansion to 15 Million Gallons Per Day

  9. Springettsbury Watewater Treatment Plant • Service Area • WWTP History • BNR Upgrade • UV Disinfection Upgrade • Administration Addition • Construction Costs

  10. BNR Upgrade Project Why Upgrade in 2011? PA DEP Bay Strategy Biological Nutrient Removal (BNR)Reduce Nitrogen and Phosphorous discharges to the Chesapeake Bay

  11. BNR Upgrade Project 2011 BNR Upgrade BNR Strategy The main goal of this project was to design a BNR system that would meet the new effluent requirements without incurring the substantial expense of building new tanks (about 25 % more expensive).

  12. BNR Upgrade Project • Integrated Fixed Film System (IFAS) • Conventional Aeration Systems – Microorganisms are suspended in tank • IFAS Systems – Microorganisms are attached to a suspended media; media offers greater surface area for microorganisms to grow • More microorganisms: • Provide higher degree of treatment • Can offset the need for additional aeration basin capacity

  13. BNR Upgrade Project Media Facts -38% Fill -85,000 CF - 274 SF/CF -23M SF - 536 ACRES Kruger IFAS System

  14. BNR System Site Plan BNR Upgrade Project To 2nd Clarifiers North Train Anaerobic Anaerobic Oxic Stage #3 (N3) AnoxicStage #1 (N1) Oxic (IFAS) Stage #2 (N2) Sludge Digesters (N4) Anaerobic Influent Internal Nitrate Recycle Internal Nitrate Recycle Anaerobic Sludge Digesters (N4) Oxic Stage #3 (N3) AnoxicStage #1 (N1) Oxic (IFAS) Stage #2 (N2) Anaerobic Anaerobic South Train To 2nd Clarifiers RAS

  15. - 50 Screens -16” Diameter -10’ Long BNR Upgrade Project Media Retention Screens

  16. BNR Upgrade Project Additional Upgrades Required • New High Efficiency Diffused Air System • Blowers and Blower Building • Internal Mixed Liquor Recycle Pumps • Conversion of Primary Clarifiers to Anaerobic/ Anoxic Selectors (anaerobic portion for phosphorous removal; anoxic portion for nitrogen removal)

  17. BNR Upgrade Project Additional Plant Considerations • Motor Control Center (MCC) Upgrade • Emergency Power Upgrade • Final Clarifier Improvements • Current Density Baffles • Algae Control System • Headworks Screening System Upgrade • Relocated Septage Dump Station

  18. BNR Upgrade Project Influent Screening is CRITICAL 3 mm opening

  19. Springettsbury Watewater Treatment Plant • Service Area • WWTP History • BNR Upgrade • UV Disinfection Upgrade • Administration Addition • Construction Costs

  20. UV Disinfection Upgrade Enaqua UV Disinfection System UV Lights do not Contact the water

  21. UV Disinfection Upgrade Enaqua UV Disinfection System • Contact UV reactor configuration UV Lamps Flow in Flow out Front view • Non - Contact UV reactor configuration UV Lamps Flow out Flow in Flow in Flow out Front view Flow tubes Side view

  22. UV Disinfection Upgrade

  23. Springettsbury Watewater Treatment Plant • Service Area • WWTP History • BNR Upgrade • UV Disinfection Upgrade • Administration Addition • Construction Costs

  24. Administration Addition 18 MGD Unit ready for Channel Mount • Enhanced Security Required Post 9/11 • Added Needed Office/Storage Space • Added Multi-Use Training Room • Existing Lab Updated

  25. Administration Addition

  26. Administration Addition "Green" Features • Use of Regional Materials for Construction • New High Efficiency Geothermal Heating/ Cooling • Energy Efficient Windows throughout Building • Passive Heating in Conference Room • Day Lighting Throughout Entire Addition

  27. Springettsbury Watewater Treatment Plant • Service Area • WWTP History • BNR Upgrade • UV Disinfection Upgrade • Administration Addition • Construction Costs

  28. Construction Costs - General $18M - Electrical $ 4M - Mechanical $ 1M TOTAL $23M

  29. Questions?

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