CSA S501 : 2014

Preface
0 Introduction
1 Scope
2 Reference publications
3 Definitions
4 Measures to maintain permafrost beneath and adjacent to
  existing buildings or structures
5 Assessment of structures impacted by changing permafrost
  conditions
6 Mitigation techniques for structures impacted by changing
  permafrost conditions
7 Long term performance of foundation rehabilitation
Annex A (informative) - Background information on foundation
        types for permafrost areas
Annex B (informative) - Background information on permafrost

Includes the following mitigation techniques to maintain permafrost or remediate permafrost degradation around existing buildings or structures: (a) site techniques that consist of (i) shading; (ii) drainage and grading; and (iii) ground cover and snow management; (b) foundation techniques that consist of (i) ventilation; (ii) insulation; (iii) mechanized refrigeration; (iv) thermosyphons; and (v) foundation replacement.