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Standards Council of Canada

Building in Permafrost

CSA S500:21 Thermosyphon Foundations for Buildings in Permafrost Regions

Thermosyphons keep the ground frozen and stable in cold climates by transferring the heat from the ground to the air when appropriate temperature differentials prevail. This standard helps to ensure the ongoing stability of new buildings constructed on permafrost with thermosyphon-supported foundations in Canada’s North. 

CSA S501:21 Moderating the Effects of Permafrost Degradation on Existing Building Foundations

Building on permafrost can be difficult because degradation to the permafrost can destabilize the structure. As temperatures continue to warm, more buildings will face challenges.   This standard outlines the steps to maintain, assess and mitigate the effects on existing buildings. 

CSA Plus 4011  Technical Guide: Infrastructure in Permafrost: A Guideline for Climate Change Adaptation

This guidance document supports decision makers – who may not be experts in permafrost - who have a role in planning, purchasing, developing, or operating community infrastructure in permafrost regions. This guide is intended to equip decision makers with the ability to ensure that the impacts of climate change on permafrost are considered for new community infrastructure.

CSA Plus 4011.1  Technical Guide: Design and Construction Considerations for Foundations in Permafrost Regions

This guideline accompanies CSA PLUS 4011 and provides more detailed technical information on the attributes of the various foundation systems, selection criteria, ground conditions, and related issues that should be considered with building foundations in permafrost regions.
 

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