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Green Roofing for Cold Climate Housing Research Center - South Bay & North Bay

Explore the green roofing system implemented at Cold Climate Housing Research Center (CCHRC). Learn about the benefits of green roofing, including water retention and drainage. Discover how the collected rainwater is treated and recycled for various purposes.

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Green Roofing for Cold Climate Housing Research Center - South Bay & North Bay

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  1. Cold Climate Housing Research CenterGreen Roofing Watershed South Bay North Bay

  2. Blue Print of CCHRC Roofing South Bay North Bay

  3. Green Roof Section Grass 4 inch growth media (top soil, composted sludge) Moisture retention mat CCW 200V Protection Fabric Drainage Board 50mil EPDM (ethylene propylene diene terpolymer) rubber roofing material Bonding adhesive ½ in Densdeck 12 in extruded polystyrene 8 mil polyethylene ½ in GWB (gypsum wallboard) Steel pan decking

  4. South Bay- Roof Some water from the green roof drains through protected conduits, such as this.

  5. South Bay-Collection Tank After the water drains from the roof, some of the water flows into these holding tanks These tanks calculate discharge based on the time it takes to fill the tanks to a set volume. Click the image to see where the water goes next.

  6. Water Discharge * ** ** * Water from the holding tanks flows into the man-made wetland next to the parking lot. Asterisks indicate where the photos correspond in location. **

  7. North Bay- Roof Drainage sites on the North Bay lead to monitoring collection tanks inside the research facility.

  8. North Bay Discharge

  9. Rainwater and Water Recycle Recycled rainwater is used in the emergency fire sprinklers, laundry facilities, irrigation and sewage plumbing. Most of the rainwater filters through the green roofing system and is stored in collection tanks in the basement.

  10. Water Treatment The CCHRC treats its wastewater using the Lifewater system. For more information, visit www.lifewaterengineering.com

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