USA Postal Code,ZIP Code,Deck Footing Frost Depth Map Frost Line Map for Deck Footing Depth - Decks com Frost Line Map for Deck Footing Depth When you excavate your footings you will need to dig below the frost line This is the depth at which the moisture present in the soil is expected to freeze ; USA Postal Code,ZIP Code,Deck Footing ...
This resulted frost heave can be detrimental to footings and foundations. That’s why b uilding codes specify structural footings be placed below the frost line. Additionally, water and sewer pipes need buried below the frost depth. The frost line map below was drawn based on data from the U.S Department of Commerce.
Soil temperature profiles provide an indication of frost depth during the winter which can have an impact on spring snowmelt runoff rates. This map displays soil temperature data from sensors at depths of 2, 4, 8, 20, and 40 inches. Data are queried from the NCRFC database late morning each day.
The frost line in Indiana is the depth that groundwater in the soil freezes during the winter. The frost line depth in Indiana ranges from 30 to 60 inches, with 30 inches being the frost line depth in the southern part of the state and 60 inches in the north.
Frost front refers to the varying position of the frost line during seasonal periods of freezing and thawing. Building codes. Building codes sometimes take frost depth into account because of frost heaving which can damage buildings by moving their foundations. Foundations are normally built below the frost depth for this reason.
The depth you are required to set your frost footings will vary from region to region across the country. If you live in a warm climate, like South Florida, where frost rarely ever occurs, you may be allowed to place your footings on grade, but in very cold regions like Minnesota and Canada you will need to dig down 48” or more.
A frost line depth chart is a map or graphical representation that indicates the depth at which water in the ground freezes, or the depth to which ice or frost penetrates the soil in a location. Governments and engineers use these charts in the construction of buildings, bridges and roads.
The 2010 California Residential Code has a beautiful table (TABLE R301.2(1)) to list the frost lines; however, that is empty. The Santa Cruz County Municipal Code states "Frost line depth = 12 inches below undisturbed soil". Search for "frost line".
- GD = frost depth (gauge in grassy area-conditions left natural) GT = depth of surface frost thawed GP = frost depth under snow-free pavement GW = depth of surface frost thawed under pavement - Time/Date All measurements in inches of last Todays frost snow depth depth ID County Location GD GT GP GW report (in.) FLNW3 Florence Florence M M M M ...
Found a map for frost depth, of course this is from 1988, and is approximate. This is a PDF file. I thought this may help with frost depths. Check your local codes for actual depth of footings in your area.