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→Rainwater harvesting
===[[Rainwater harvesting]]===
===[[Rainwater harvesting]]===
Freezing temperatures can cause problems with exposed collection pipes and portions of cisterns and pipes located above the foundation frost penetration depth. For standard drawings see [https://www.library.mto.gov.on.ca/SydneyPLUS/TechPubs/Portal/tp/opsViews.aspx Ontario Ministry of Transportation] OPSD 3090.100 for northern Ontario, and OPSD 3090.101 for southern Ontario. Rainwater harvesting systems designed for year-round operation in cold climates like Ontario are typically installed underground or are integrated into the building.
Freezing temperatures can cause problems with exposed collection pipes and portions of cisterns and pipes located above the foundation frost penetration depth. For standard drawings see [https://www.library.mto.gov.on.ca/SydneyPLUS/TechPubs/Portal/tp/opsViews.aspx Ontario Ministry of Transportation] OPSD 3090.100 for northern Ontario, and OPSD 3090.101 for southern Ontario. Rainwater harvesting systems designed for year-round operation in cold climates like Ontario are typically installed underground, with inlet and outlet pipes located below the foundation frost penetration depth, or are integrated into the building.
===[[Green Roofs]]===
===[[Green Roofs]]===
The survival of [[Green roofs: Planting|green roof plantings]] is greater in winters with long deep sub-zero temperatures. Being shallow and very exposed to warming sunlight, green roofs thaw rapidly. Frequent freeze-thaw cycles in the early and late winter are associated higher loss of vegetation on green roofs.
The survival of [[Green roofs: Planting|green roof plantings]] is greater in winters with long deep sub-zero temperatures. Being shallow and very exposed to warming sunlight, green roofs thaw rapidly. Frequent freeze-thaw cycles in the early and late winter are associated higher loss of vegetation on green roofs.
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