6" below grade
According to DCMR 12, the DC building code, it's 30 inches below grade.
The frost line for Prince Edward Island is typically around 4 feet deep. This is the depth at which the ground is expected to freeze during the winter months. It's important to consider this depth when constructing buildings or installing utilities to prevent damage from freezing temperatures.
The frost line depth for Salt Lake City, UT is approximately 30 inches. This is the depth at which the ground is expected to freeze during the winter months. Digging foundations or installing underground utilities below this depth helps prevent damage from frost heave.
The set frost line for Maine is 40 to 42 inches. All water lines and foundation footings should be below this depth to prevent damage or breakage.
The frost line depth in northwest Arkansas is typically around 20-24 inches. This is the depth at which the ground freezes in winter months and is important to know for building foundations to prevent frost heave.
The frost line in Spokane, WA is typically around 24 inches deep. This is the depth at which soil is expected to freeze during the winter months. It is important to consider the frost line when planning construction projects to prevent damage from freezing and thawing.
no Frost
no Frost
one metre
42"
42 inches
3ft
A straight line from Spokane to Sarajevo would be about 5,576 miles according to Google Earth.
What is the frost line depth in louisville Kentucky
48"
the frost line is 36"
They are located below the frost line