The Cora Group Inc.

Goal: Cora’s flagship property the 100,000 square foot The Cora Building was built in 2010 to meet LEED (Leadership in Energy and Environmental Design) Gold standard. Amongst other things, points towards LEED certification are awarded for water efficiency and stormwater features that limit disruption to natural waterways.
Description:
The Cora Group Inc. is a commercial real estate and property management company. Owners Manfred and Adrian Conrad have a mission to “create spaces that work for tenants and communities”. The Cora Group believes in sustainability and that green building is not only responsible, but it attracts clients with the same environmental philosophies.

“The bioswales are a low-cost measure compared to paving the same area. They require very little maintenance after establishing. The cistern has a higher upfront cost, but the payback period is realized in only a few years by drastically reducing demand for municipal water.”
Kathleen Walsh, The Cora Group Inc.

Solution: By integrating ecological stormwater management into their design, Cora was able to exceed building code standards and use rain in innovative ways to offset their operating costs. Cora had a RAIN Business Visit to help them determine which features would qualify for stormwater credits, including:

A_buttonA 40,000L Underground Cistern that collects rain coming from the rooftop and is plumbed inside to a greywater system used to flush toilets. Harvested rain water is also used to irrigate the grounds.
B_buttonBioswales line the interior of the parking lot to collect and clean stormwater runoff. Any excess
water overflows into…
Dry Ponds that retain stormwater during heavy storms. By slowing the flow, it helps prevent too much water rushing into the storm sewer and causing problems downstream such as flooding and erosion.


Project Details:
Location: 375 Hagey Boulevard, Waterloo, Ontario
Maximum Capacity: 40,000L
Estimated Diversion Per Year: 810,000L
Awards:

  • LEED Gold Certificiation

Additional stormwater controls in the University of Waterloo Research and Technology Park that The Cora Building ties into include Quality Control Ponds and an Infiltration Gallery that have capacity to hold over 10,000,000L of stormwater.

diagram of The Cora building stormwater features

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