1. Sally Hoyt, UNC Energy Services April 6, 2009
UNC Stormwater BMPs
Sally Hoyt, UNC Energy Services
April 6, 2009

2. UNDERGROUND WATER QUALITY

5. Ehringhaus field

6. SASB

7. UNDERGROUND STORAGE

10. Manning steam

11. CISTERNS

13. FedEx Global Ed Cistern – 54,000 gal
As a result of this building boom, we have 6 cisterns on campus. All underground, large scale from a variety of materials. FedEx Globlal Ed center uses this cistern for toilet flushing. Bag filters and UV disinfection.

14. Ramshead Cistern – 56,000 gal
Used for landscape irrigation.

15. Hanes Cistern – 60,000 gal
Under historic quad. For landscape irrigation

16. Boshamer Cistern – 80,000 gal
Pre-cast concrete vaults. Baseball stadium.

17. Hooker Field Cistern – 500,000 gal
Stone bed under rec fields used to irrigate soccer and football practice. Will be backed up with RCW.

18. Hooker field

19. Hooker field

20. Bell Tower Cistern – 300,000 gal
Bell Tower cistern combines detention with rainwater harvesting and a reclaimed water back-up. Turn over to Kevin to talk about.

21. UNDERGROUND STORAGE – WITH INFILTRATION

23. Global ed – east side

24. Global ed – east side

25. PERMEABLE PAVEMENT

27. GH

28. GH

29. Bot Garden VEC

30. Bot Garden VEC

31. Bot Garden VEC

32. Regenerative sweeper truck sweeps and vacuums at the same time
Regenerative sweeper truck sweeps and vacuums at the same time. campus lots are vacuumed at least once per quarter.
This is last slide. This was a whirlwind tour. I’d be happy to talk with you more at the break.

33. PONDS AND WETLANDS

35. Rizzo 3

36. Rizzo 1

37. BIORETENTION

39. How Bioretention Works
Precipitation
Evapotranspiration
Inflow
Overflow
Ponding
Overflow -Underdrain
Infiltration/Filtration
Storage
Exfiltration/Recharge
Graphic: CWP

40. Softball

41. Softball

42. Softball

43. GREEN ROOFS

45. Carrington

47. Global ed

48. Global ed

49. Global ed

50. Vegetative Conveyance
Rams Head Center

51. For More Information: Sally Hoyt, P.E. UNC-CH Energy Services