https://codes.iccsafe.org/content/VRC2012/chapter-4-foundations

Gravel fill used as footings for wood and precast concrete foundations shall comply with Section ..... Extended below the frost line specified in Table R301.2.( 1);.

https://henrico.us/bldg/residential-building/inspection-requirements/footing/

Footing trench bottoms shall be level and a minimum of 18″ below grade (frost depth). ... Pier footings are to be excavated to the size and depth shown on the ... used as the grounding electrode system (Section E3508 Virginia Residential Code). ... Foundation · Framing · Insulation · Other Building · Poured Wall · Projection ...

https://www.hammerpedia.com/frost-line-map/

The frost line is simply the deepest point in the ground to which ground water will freeze. ... This resulted frost heave can be detrimental to footings and foundations . ... South Carolina. South Dakota Tennessee Texas Utah Vermont Virginia

https://www.thespruce.com/foundation-footings-code-basics-1822269

Apr 22, 2019 ... Basic code requirements for foundation footings include site grading; soil load- bearing values; and footing depth, width, and levelness.

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

When excavating your deck footings, you'll need to dig below the frost line. Find out how deep the frost line is in your area with our frost depth map at Decks.com. ... you may need to dig your foundation much deeper than on a flat surface.

https://www.bedfordcountyva.gov/home/showdocument?id=6011

masonry or concrete footings, wood foundations, or other approved structural systems which shall be of sufficient design to ... Extended below the frost line specified in Table R301.2.(1);. 2. ... 122 East Main Street, Suite G-03, Bedford, Va .

https://www.ghi.coop/content/what-depth-frost-line-prince-georges-county

Mar 23, 2011 ... All exterior footings and foundation systems shall extend below the frost line. All exterior footings shall be placed at Thirty (30) inches below the ...

https://www.ncat.org/energy_services/docs/2018/8_frost-protected-shallow-foundations.pdf

A frost protected shallow foundation (FPSF) is a practical alternative to a deeper, more-costly foundation in cold regions with ... on-grade construction with the foundation wall extending below the frost line. ... Inc., Falls Church, Virginia.

https://www.hud.gov/sites/documents/49303gc5GUID.pdf

footings or foundation walls shall extend below depth of soil subjected to seasonal or character- istic volume ... A. Maximum Frost Penetration Depth. The bottom ...

http://www.cityofmanassaspark.us/Public_Documents/ManassasParkVA_Inspections/residential%20addition%20plan%20checklist.pdf

One Park Center Court, Manassas Park, Virginia 20111 ..... minimum frost depth) footings shall be a minimum of 12” and extend a minimum 6” beyond the.