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en.wikipedia.org/wiki/Frost_line

The frost line—also known as frost depth or freezing depth—is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth ...

www.homeownershub.com/maintenance/how-to-place-4x4-posts-in-ground-in-michigan-378754-.htm

Jun 15, 2009 ... The rule of thumb is to go below the frost line -- that is around here. ... I'm in MI and have put in a number of posts recently, I'll agree with the 40 ...

www.leelanau.cc/howdoia.asp?rid=12

The frost depth for this area, and most of the state of Michigan, is 42". Footings are required to be a minimum of 42" deep., measured from the finish grade to the  ...

www.reference.com/geography/deep-frost-line-michigan-89e82dd835c3484a

The frost line depth for most of Michigan is 42 inches. This is the depth at which groundwater present in the soil freezes. Though this is the standard depth, other  ...

diy.stackexchange.com/questions/63873/how-deep-is-the-frost-line-for-footers-in-michigan

Apr 17, 2015 ... Historically, the frost line has been 42" in Leelanau county, in northern Michigan ( http://www.leelanau.cc/howdoia.asp?rid=12). But with the ...

www.decks.com/how-to/264/deck-footing-frost-depth-map

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.

grcity.us/design-and-development-services/Development-Center/Documents/WEB%20Residential%20Deck%20Guide.pdf

requirements of the current Michigan State Residential. Code, which is derived from ... below frost depth. ... power lines to be located a minimum of 10' - 0” above .

www.michigan.gov/documents/mdot/RC1619_500351_7.pdf

Sep 30, 2015 ... ... water migrates through the soil voids below the freezing line ... issues in the structure, therefore predicting the frost depth and ... The authors like to thank the Michigan Department of Transportation (MDOT) for the financial.

www.mlive.com/news/kalamazoo/index.ssf/2014/02/kalamazoo_city_frozen_water_li.html

Feb 22, 2014 ... KALAMAZOO, MI -- It's the worst winter for frozen Kalamazoo water pipes ... but this year the frost line has reached 3 to 5 feet deep, according to ...