Snow Load

Understanding Snow Load

Roof snow loads are influenced by elevation, general weather and moisture patterns, slope direction, exposure, roof configuration and wind direction and severity. Overestimation of snow loads can unnecessarily increase the cost of construction.

North Cowichan Ground Snow Load Figures

LocationSs (Snow)Sr (Rain)
Crofton1.8 kPA0.2 kPA
Duncan1.8 kPA0.4 kPA

Depth of Footings for Frost Protection

Minimum Depth of Footings for Frost Protections:

(measured from finished grade to underside of footing)

0.457 m (18 inches) in North Cowichan

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Document tag(s)
Planning & Building