The Ontario Building Code | Exterior Environmental Loads

5.2.1.1. exterior Environmental Loads

(1) Above ground climatic loads shall be determined according to MMAH Supplementary Standard SB-1, "Climatic and Seismic Data".

(2) Except as provided in Sentence (3), below ground exterior environmental loads not described in MMAH Supplementary Standard SB-1, "Climatic and Seismic Data", shall be determined from existing geological and hydrological data or from site tests.

(3) Where local design and construction practice has shown temperatureehandyforce.com/decks/" title ="Deck builder in Toronto">soiltemperature analysis to be unnecessary, temperatureehandyforce.com/decks/" title ="Deck builder in Toronto">soiltemperatures need not be determined.