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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  ...

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.

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

Apr 17, 2015 ... How deep is the frost line for footers in Michigan? I want to put in a small ... SW Michigan close to Grand rapids – doug gentry Apr 19 '15 at 1:39 ...

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.stignacenews.com/news/2014-03-27/News/Frost_Extends_6_Feet_Around_Michigan.html

Mar 27, 2014 ... The following is a sampling of frost depths around the region, from the ... Gogebic County, four miles north of the Michigan state line on US-45: ...

www.summittwp.com/summit/departments/building_department1/uploads/MICHRESCODE.pdf

R403.1.4 FOUNDATION SYSTEMS shall extend below the frost line 42”. EXCEPTION: .... Floor cantilevers spans shall not exceed the nominal depth of the wood ...

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 in 35 years. ... Normal frost depths in the Kalamazoo area are 1 to 3 feet, but this year the frost line has reached 3 to 5 feet deep, according to Ritsema.