According to the City of Toronto (http://www.toronto.ca/water/supply/system/watermains.htm): "Watermain pipes are buried in public streets, about 1.5 m deep, just below the area where frost ends or "the frost line"."
1.5 m is about 5 feet.
-289-
42" by code - Ontario Building Code.
I think it is 40 inches. However for footings etc, we are required to dig 48 inches (4 feet) so that it is well below frost lilne.
The frost line depth for the Ottawa-Montreal area ranges from 1.4m to 1.5m below surface elevation.
It is four feet (4')
48"
4-5 feet
48"
4 feet deep
no Frost
4'
no Frost
frost line in pa is 42 inches
24in
one metre
42 inches
42"
3ft
What is the frost line depth in louisville Kentucky
They are located below the frost line
48"