Snow and Ice Loading Zones
Weather Loading Summary - AESO Tower Development
Wet Snow & Wind Loadings
100 Year Return Values
Wind Speed Wind Pressure Wind Pressure Wind Pressure Radial Wet Snow (km/hr) at 10m (Pa) at 20 m (Pa) at 30 m (Pa) at 40 m Accretion (mm) Height Height Height Height Zone A 70 77 295 320 340 Zone B 70 71 240 260 280 Zone C 50 67 210 230 245 Zone D 50 64 190 205 220
75 Year Return Values
Wind Speed Wind Pressure Wind Pressure Wind Pressure Radial Wet Snow (km/hr) at 10m (Pa) at 20 m (Pa) at 30 m (Pa) at 40 m Accretion (mm) Height Height Height Height Rainbow Lake High Level Zone A 65 75 270 290 310 Zone B 65 70 235 255 270 Zone C 45 65 200 215 230 Zone D 45 62 180 195 210
La Crète 50 Year Return Values
Wind Speed Wind Pressure Wind Pressure Wind Pressure Radial Wet Snow (km/hr) at 10m (Pa) at 10 m (Pa) at 20 m (Pa) at 30 m Accretion (mm) Height Height Height Height Zone A 60 74 220 255 280 Zone D Zone B 60 69 190 220 240 Zone C 40 63 160 185 200 Zone D 40 60 145 170 185
Wet snow density 350 kg/m3 at -5C
Table Data Last Update: 2010-03-25
Manning
Fort McMurray
Peace River Grimshaw Fairview
Spirit River Falher McLennan
High Prairie Sexsmith
Beaverlodge Slave Lake Grande Prairie
Valleyview
Lac la Biche Swan Hills Athabasca
Cold Lake Fox Creek Bonnyville
Westlock Whitecourt Barrhead Smoky Lake St. Paul Grande Cache Mayerthorpe Legal Redwater Elk Point Bon Accord MorinvilleGibbons Lamont Fort Saskatchewan Two Hills St. Albert Edson Sherwood ParkMundare Stony PlainEDMONTON Vegreville Hinton Vermilion Tofield DevonBeaumont Lloydminster CalmarLeduc Drayton Valley Viking Millet Camrose Wetaskiwin Jasper Daysland Wainwright KillamSedgewick Hardisty Zone C Ponoka Rimbey Zone B Bashaw BentleyLacombe Provost Rocky Mountain HouseEckville Blackfalds Stettler Sylvan Lake Red Deer Castor
Penhold Coronation Innisfail Bowden Trochu Sundre Olds Three Hills Didsbury Hanna Carstairs
Crossfield Drumheller Oyen
Airdrie Banff Cochrane
Canmore CALGARY Strathmore
Bassano Zone A Okotoks Black Diamond High River Brooks
Vulcan Nanton
Stavely Vauxhall Medicine Hat Claresholm Greater Medicine Hat Bow Island Granum Picture Butte Taber CoalhurstCoaldale Fort MacleodLethbridge Blairmore
Pincher Creek Raymond Magrath
Disclaimer: This map was developed for the purpose of the new tower family development and may not be suitable Cardston Milk River for lines in all areas of the province. Be sure this map is suitable for your requirements. Snow_And_Ice_Loading.mxd JFietz 2010-03-15