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Porous Pavement and Model Municipal Operations Center Demonstration Project Phase II

Porous Pavement and Model Municipal Operations Center Demonstration Project Phase II. 1. Photo Document Project County of San Diego DEPARTMENT OF GENERAL SERVICES August 1, 2008. Order of Review. 2. Overview of Phase I Results Treatment Train Site Preparation Construction

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Porous Pavement and Model Municipal Operations Center Demonstration Project Phase II

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  1. Porous Pavement and Model Municipal Operations Center Demonstration Project Phase II 1 Photo Document Project County of San Diego DEPARTMENT OF GENERAL SERVICES August 1, 2008

  2. Order of Review 2 Overview of Phase I Results Treatment Train Site Preparation Construction Post Construction Porous Pavement Site Preparation Construction Post Construction Rain Event Results to Date

  3. Overview of Phase I 3

  4. N 7 Porous Concrete 14,936 s.f. Porous Asphalt 40,126 s.f. Pavers 7,896 s.f. Reference Area. M12A 4 11 Porous Pavement Center COC 62,958 s.f.

  5. Cost Summary – Porous Pavement 7

  6. 8

  7. Phase I Treatment TrainSchematic 5

  8. Targeted Pollutants of Concern • Suspended Solids • Oil/Grease • Metals (Copper, Zinc, Chromium, Cadmium) • Organics • Nitrogen • Note: These are consistent between Phase I and Phase II. 6

  9. Phase II 9

  10. 10 Current and Proposed Porous Pavement and Treatment TrainLocations

  11. Phase II Expansion • Three additional media filtration units • Three additional porous paving test plots (54,000 sf) • One additional porous concrete test plot • Two additional porous asphalt test plots • Geogrid stabilization under 1/2 of each new porous asphalt test plot • 26,000 sf of roof runoff diverted to porous asphalt test beds • Enhanced monitoring to evaluate current/expanded BMP effectiveness 11

  12. Phase II Treatment TrainSchematic 12

  13. 13

  14. TREATMENT TRAIN Site Preparation 14

  15. TREATMENT TRAIN 15 Site Preparation and Excavation

  16. TREATMENT TRAIN 16 Excavation Around Phase 1 Treatment Train

  17. TREATMENT TRAIN CONSTRUCTION 17

  18. TREATMENT TRAIN 20 Installation of MFS and Storm Filter Chambers

  19. TREATMENT TRAIN 21 Installation of MFS and Storm Filter Chambers

  20. TREATMENT TRAIN 26 Installation of Diversion Pipe and Monitoring Boxes

  21. TREATMENT TRAIN 28 Backfilling Treatment Train

  22. TREATMENT TRAIN Maintenance 30

  23. TREATMENT TRAIN 29 CONSTRUCTION

  24. TREATMENT TRAIN 31 MSF Unit Replacement Filter

  25. TREATMENT TRAIN 32 Filter Replacement of Phase 1 MSF Unit

  26. CDS PRE-TREATMENT CLEAN-OUT 33 After Three Rain Events

  27. POROUS PAVEMENT Site Preparation 34

  28. POROUS PAVEMENT 35 Excavation Engraving

  29. POROUS PAVEMENT CONSTRUCTION 37

  30. POROUS PAVEMENT 38 Installation of Subsurface Overflow Drainage and Monitoring System

  31. POROUS PAVEMENT 39 CONSTRUCTION

  32. 41 POROUS ASPHALT PROFILE

  33. POROUS PAVEMENT 44 Installation of Geotech Style Fabric and Aggregate

  34. POROUS PAVEMENT 45 Installation of Geogrip Re-enforcement

  35. POROUS PAVEMENT 52 Porous Asphalt Overlain Aggregate Bed

  36. POROUS PAVEMENT 50 Installation of Porous Asphalt

  37. POROUS ASPHALT PROFILE 46

  38. POROUS PAVEMENT 47 Installation of Porous Concrete

  39. 48 POROUS PAVEMENT Porous Concert Curing Process

  40. POROUS PAVEMENT POST CONSTRUCTION 54

  41. POROUS PAVEMENT 55 Asphalt concrete Interface

  42. POROUS PAVEMENT 56 POST-CONSTRUCTION

  43. POROUS PAVEMENT 57 Porous Concrete Infiltration

  44. 58 POROUS PAVEMENT Porous Asphalt Infiltration

  45. POROUS PAVEMENT 59 Rain Event November 30, 2007

  46. POROUS PAVEMENT 60 RAIN EVENT (11/30/2007)

  47. 61 POROUS PAVEMENT RAIN EVENT (11/30/2007)

  48. 62 POROUS PAVEMENT RAIN EVENT (11/30/2007)

  49. 63 POROUS PAVEMENT RAIN EVENT (11/30/2007)

  50. 64 Results to Date

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