The S500 draft on Thermosyphon foundations for buildings in permafrost regions is now available for Public Review. This is the 2nd edition of this Standard.
The objective of this Standard is to provide requirements for all life-cycle phases of thermosyphon foundations for new buildings on permafrost, including site characterization, design, installation, and commissioning phases as well as for monitoring and maintenance phases. This Standard is meant to ensure the long-term performance of thermosyphon-supported foundation systems under changing environmental conditions.
The close date is September 10, 2020.