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Green Roof at Summit United Methodist Church - Service Learning Project

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Green Roof at Summit United Methodist Church - Service Learning Project

Green Roof at Summit United Methodist Church - Service Learning Project

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  • 1. Our purpose in this research is to provideinformation on various green roof systems,the maintenance involved, and how tosecure funding for the implementation of aGreen Roof at The Summit UnitedMethodist Church.
  • 2. 1.  General Benefits of a Green Roof2.  Benefits of comparable modular tray systems a)  Live Roof b)  Green Roof Block c)  Carlisle/Green Grid Systems3.  Maintenance Plan4.  Rainwater collection feature5.  Green Wall option6.  Cost7.  Alternatives to a green roof8.  Funding9.  References
  • 3. •  Decreases heating and cooling load –  Increases thermal resistance value of roof and cooling roof by evaporation•  More than doubles life of roofing membrane –  Protects membrane from harmful UV rays, punctures, and extreme temperature fluctuations
  • 4. •  Reduces the amount •  Michigan State of storm water runoff University Study from a building’s roof•  Materials absorb rain water and releases it over time•  Plants filter pollutants creating cleaner runoff Green roof water amount retained: 60-100%
  • 5. •  Support local wildlife –  Increases amount of local plants –  Cuts down on lost vegetative space –  Encourages biodiversity
  • 6. •  Implement an outreach program within the church –  Community volunteers giving back –  Create a sense of self-worth and pride –  Helps a nonresidential building blend in with the neighborhood –  Improves aesthetics of neighborhood
  • 7. • Specs
 ‐
2’
x
2’
x
4”
pre‐vegetated
 aluminum
trays
 ‐
Accommodates
growth
 media
depths
ranging
from
 4”
to
11”
 ‐
65
yr
life
expectancy
 ‐
12‐18
lb/ft²
 Greenroofblock.com

  • 8. • Benefits
 ‐
Installed
directly
onto
 roof

 ‐
Mobile
for
roof
 maintenance
other
 purposes
Children’s Museum ‐
$25/ft²
including
Pittsburgh installation
and
shipping

  • 9. •  1’ x 2’ pre-vegetated plastic trays•  27-29 lb/ft² fully saturated•  $18-$22/ft² including installation –  Excludes water membrane •  Less than $1/ft²•  Non Compartmentalized **Future
Projects:
Franklin



 




County
Courthouse
 –  edges are never visible 




Spring
2010
 liveroofs.com

  • 10. •  Maintenance –  Annual soil testing and Fertilization –  Watering when less than 1” of rainfalls during a 2 to 4 week period when it is 75 degrees or hotter –  Biweekly weeding during Spring and Fall growing seasons –  $0.15 to $0.30 annually liveroofs.com

  • 11. •  Carlisle Protection Fabric ( CCW-200V) –  Installed directly on exiting membrane roof•  Planted Modular Trays –  24” x 48” –  24” x 24”•  New roofing membrane application would be needed before this system or other green roofs systems were installed to keep the existing roof warranty
  • 12. •  Maintenance Plan –  Despite such claims, there is no such thing as a maintenance-free green roof. –  Do not let your maintenance plan go ignored
  • 13. •  Maintenance Contracts –  3-5 years –  Typically established with the green roof installer, who –  Installers most likely cover the warranty of your green roof
  • 14. •  How Frequent? –  During establishment period (18-24 months) •  4-6 routine maintenance visits are required to insure survival of the vegetated cover –  Establishment period will be less with pre-vegetated modular trays (Live Roof).
  • 15. •  Watering –  The plants selected for a project should be drought tolerant. –  Periodic hand watering during the establishment period and afterwards but only in sustained drought•  Drainage –  Visually and manually check drains for clogs every 4-6 months
  • 16. •  Weeding –  Every 4-6 months after establishment period recommended –  Hand pruning should be used •  No digging or using pointed tools•  Fertilizer –  Soil tests should be conducted each spring in order to assess plant nutritional requirements. –  The nutrient applications should be made in early spring and fall.
  • 17. Rainwater Data Tank Specs•  1000 ft² = 623 gallons •  $315 (on sale for $206) –  1 inch rainfall •  305 gallons•  1700 ft² = 1059 gallons •  Diameter: 46 inches (Approximate) •  Height: 49 inches•  Need: 4 tanks to hold •  Weight: 64 LBs optimum water storage
  • 18. •  Each tank empty = 64 LBs•  305 Gallons x 8.35LBs/gallon = 2546 LBs•  2546 LBs + 64 LBs = 2610 LBs per tank•  Weights –  1 tank: 2610 LBs –  2 tanks: 5220 LBs –  3 tanks: 7830 LBs –  4 tanks: 10,440 LBs
  • 19. •  Modular tray system attaches to wall•  Growing medium included•  Can use reclaimed water
  • 20. •  Modular trellis system•  Can be wall hung or freestanding•  Plants typically grow from base of wall and vine up the trellis
  • 21. Stage 1: Outlined in yellow, isapprox. 1160 ft² • Improve HVAC operation by reducing heat island effect on roof. • Approximately 10% of section is occupied by equipment.Stage 2: Outlined in red, isapprox. 1600 ft² • Provide additional benefits described previously.
  • 22. •  Modular –  Live Roof- $20/ ft² –  Green Roof Blocks - $25/ ft² –  Green Grid System (Carlisle) $12.50 to $ 13.00 per ft²•  Conventional –  Tremco - $15-25/ ft² –  Greenscapes - $8 - $10/ ft²•  Green Wall - $9-$12/ ft²•  G-Sky wall system $100 or more/ ft²•  Leak detection - Electronic Vectormapping $0.75 / ft²•  (4) x 305 gallon water cisterns - approx. $824 ($206 each)•  Reflective roof ranges from $0.75 to $3.00/ ft²
  • 23. •  Reflective coating applied to existing roof•  Helps keep roof cool by reflecting sun’s rays back into space•  Can reflect 80% of sun’s rays and reduce roof temperature by up to 80 degrees
  • 24. •  Cost and Maintenance –  $0.75 to $3.00/ ft² for materials and installation –  Extends life of existing roof up to 15 years –  Requires little maintenance (occasional cleaning or reapplication)
  • 25. (links included in report)1. United Methodist Women – A Brighter Future for Children and Youth2. United Methodist Global Ministries – Outreach to Meet Human Needs3. Tomorrows Leaders II Scholarship Program and Recruitment4. Ethnic Local Church Concerns (ELLC)5. EPA Environmental Education Grants6. EPA 7th Annual P3 Awards: A National Student Design Competition For Sustainability Focusing on People, Prosperity and the Planet
  • 26. •  http://www.greenroofblocks.com•  http://www.asha.org/public/hearing/disorders/noise.htm•  http://www.liveroof.com/•  http://rubbersheetroll.com>•  LiveRoof Sales Representative for Franklin County: –  Dan Cartell Life Roof Sales Coros Perennials Cell: 216-408-9611 Email: dannycartell@hotmail.com•  http://www.hrt.msu.edu/greenroof/#Benefits of green roofs•  http://www.greengridroofs.com/greenroofs.htm•  http://www.coolroofs.org