Climatic Data and Snow Load
Definitions
- Dead load is the weight of all permanent structural and non-structural components of a building.
- Live load is the weight of snow, rain, wind and/or earthquakes and those weights due to occupancy.
Climate Zones Map
Design temperatures
| January 1% | -32 C |
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| January 2.5% | -29 C |
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| July 2.5% Drybulb | 29 C |
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| July 2.5% Wetbulb | 18 C |
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| degree days below | 18 C |
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| 15 min rain | 13 mm |
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| one day rain, 1/50 | 54 mm |
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| annual rain | 475 mm |
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| moisture index | 64 |
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| annual total precipitation | 650 mm |
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| driving rain wind pressure (Pa) 1/5 | 60 |
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Snow Load 1/50
| rain load (Sr) (kPa) | 0.2 |
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| ground snow load (Ss) (kPa) | 4.3 |
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Hourly wind pressure
| probability 1/10 (kPa) | 0.27 |
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| probability 1/50 (kPa) | 0.35 |
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Seismic data
| Sa (0.2) | 0.27 |
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| Sa (0.5) | 0.16 |
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| Sa (1.0) | 0.076 |
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| Sa (2.0) | 0.076 |
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| PGA | 0.14 |
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Radon rea
| soil gas rough in required | 1 |
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Required NAFS fenestration performance of windows and doors in Part 9 buildings
| DP | 720 |
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| PG | 15 |
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| water resistance | 140 |
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Frost protection
- the bottom of footings must be 4 ft (1.22 m) below finish grade
The climatic data provided does not apply to any structures constructed in or around the ski facilities at Azu Mountain, or any structures constructed in an area that a building inspector considers to be beyond the parameters outlined.
Structures listed above require a registered professional to provide design and plan certification and field review by means of letters of assurance in the form of Schedules referred to in the BC Building Code.
Other information
BC Building Code
Regional District of Fraser-Fort George Building Bylaw No. 3239, 2021
