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When is Enough, Enough?

When is Enough, Enough?. Opening Remarks and Comments. Presentation Purpose. History of Environmental Compliance Actions Existing Deicing Facilities, Collection Systems and Operating Protocols System Improvements Current Conceptual Consideration (Stormwater Management and Treatment).

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When is Enough, Enough?

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  1. When is Enough,Enough?

  2. Opening Remarksand Comments

  3. Presentation Purpose

  4. History of Environmental Compliance Actions Existing Deicing Facilities, Collection Systems and Operating Protocols System Improvements Current Conceptual Consideration (Stormwater Management and Treatment) Presentation Setup and Approach

  5. PIT:Who We Are

  6. Structure Allegheny County Airport Authority incorporated in November 1999to succeed the Allegheny County Department of Aviation

  7. General Description

  8. Hub Focus City O&D Current Operating Role

  9. Airfield Layout Runways (4)

  10. Airfield Layout Terminal Buildings

  11. Airfield Layout Cargo, Military Bases, FBO & Maintenance

  12. Geographic Location/Setting/Environment/Climate

  13. Geographic Location/Setting/Environment/Climate

  14. History ofCompliance

  15. Conditions Before 1992

  16. Administrative Orders

  17. 1994 Consent Order andAdjudication

  18. 1998 Administrative Order “. . . Cease unauthorized discharges of deicing/anti-icing chemicals . . .”

  19. Facilities

  20. Overall ACAA Deicing Pad Military Deicing Pad Cargo Defrosting Area YankeeNorth Charlie FBO YankeeSouth 911th Echo Sierra PANG

  21. Cargo

  22. Charlie

  23. Echo

  24. FBO

  25. Sierra

  26. Yankee North and South(No longer is use)

  27. SystemImprovements

  28. Echo and Charlie Pads Dedicated to deicing 12 pedestal-mounted booms Icehouse Collection systems Initial Pads $10MM

  29. Echo Pad Second set of trench drains Echo and Charlie Type II fluid system 1994 Improvements $12.3MM

  30. Charlie Pad Trench drain modifications New pavement Piping and above-ground storage for impacted runoff 1998 Improvements $13.3MM

  31. Echo and Charlie Pads Relocation of boom pedestals Replaced boom cabs Converted diversion vault valves to positive seals (gate valves) 2000 Improvements $14.4MM

  32. Sierra Pad New deicing pad to accommodate wide-body aircraft Yankee South Pad Expanded pad and installed liner 2001 Improvements $41.8MM

  33. Central piping systemto transfer collectedfluids to onsite recycling facility Echo and Charlie Pads Joint and slab rehab/replacement 2002 Improvements $45 MM

  34. 2003 Improvements $50.3MM • Echo and Charlie Pads • Addition of forced air • Third party vendor forced air equipment

  35. Grand total of capital improvements of $50.3MM Operational costs on an annual basis of $1.7MM per year Capture 60 – 65% of applied aircraft deicing fluid by volume Summary of SystemImprovements

  36. Current ConceptualConsideration

  37. Data Collection and Evaluation Stormwater Management Treatment Current Concept Engineering Evaluation

  38. 5+ years of flow and water quality data Intensive and periodic 15 minute continuous rainfall datasince May 1948 Wetland delineation in 2004 Stream assessments in 2004 PG and pavement deicer quantities Data

  39. Wetland Delineation

  40. Stream Bacteriological Report Thiothrix Beggiatoa Zoogloea

  41. Instream Habitat and ChannelGeomorphology Report

  42. Benthic Macroinvertibrate Report

  43. Riparian Assessment

  44. Electrofishing

  45. Stream Assessment – Sampling Locations

  46. Stormwater Evaluation • Modeling • H&H and water quality • Conceptual Design Capture Area • Conceptual Design Capture Volume • Treatment Rate

  47. Stormwater Evaluation Top of Dam

  48. Stormwater Evaluation Top of Dam

  49. Stormwater Evaluation

  50. Development/Use of SWMMModel

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