Project Name: |
Lakehead University Orillia Campus LEED Platinum (pending) |
|
Product: |
Rainstore3 |
The impermeable liner is placed on the first layer of geotextie. See the installation on youtube.com http://www.youtube.com/watch?v=fcNF4N1qDoA
The second layer of Geotextile is placed to sandwich the impermeable HDPE liner.
The Rainstore3 units are moved into position.
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Application: |
Rainwater Harvesting for Water Feature and Toilet Flushing |
City: |
Orillia |
State/Province: |
Ontario |
Install Date:
|
July 2009 |
Install Size:
|
6000 Units |
Address:
|
Westbridge Blvd , Orillia, ON, Canada |
Client: |
Lakehead University |
Designer: |
Michael Buske, CET along with Engineer Tim Collingwood, Project Manager with CC Tatham & Assoc |
Contractor: |
EllisDon, General Contractor. Terrafix, distributor. Topsite Construction, Installer. |
Directions: |
Near Old Barrie Rd and Westbridge Blvd off of Hwy 11, Orillia, ON, Canada |
Location: |
Under the water feature pond in between the parking lot and the student residence building. |
Photography: |
J. J. Breede, Terrafix, 2009 |
|
A unique system to capture stormwater from the adjacent road. This water will flow into a catch basin, move through a filtering system, flow to a chamber for storage, and then the water is pumped to the above ground water feature. The underground chamber was designed to be both a harvesting – grey water re-use.. The system also includes an outlet pipe to the cities combined storm sewer system and a manhole for maintenance. In addition to water being pumped to the surface pond, part of the captured gray water is also used for toilet and urinal flushing to reduce fresh water use in the building.
The decorative surface ponds were designed in for the enjoyment of students, faculty and staff of the Orillia Campus. The pond is comprised of 30 cm thick reinforced poured concrete with water-proofing. The pond is about one meter deep, 4.4 meters wide and the full length of the underground harvesting system. The ponds have a wood decking plaza surrounding, and partially traversing, the water feature. Below the decking is reinforced concrete with strategically placed drainage holes. The holes lead into a granular aggregate designed to drain and convey the water towards the harvesting system.
The captured stormwater in the subsurface harvesting chamber is also recycled as gray water for toilet and urinal flushing inside the building. Engineer Greg Gebert, Project Manager with Crossey Engineering says “The water is pumped from the chamber to a sand filter package and then pumped to the gray water system inside the building.” Gebert designed the mechanical systems for the Orillia Campus building project. This re-use of stormwater and reduction of fresh water (potable) will contribute to the LEED™ Platinum rating on the project. The gray water system is completely separate from the fresh water/potable system provided by the city. The wastewater from the toilets will flow to the municipal sewage treatment. |
Links: |
http://www.youtube.com/watch?v=fcNF4N1qDoA |
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The Rainstore3 chamber is complete and ready for the decorative pond to be placed on top. |
Side fill and compaction continue as the top layer of geogrid is unrolled |
Side filling and compacting of the perimeter of the chamber. |
The two layers of fabric and the impermeable liner are wrapped around the Rainstore3 units. |
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