RobersonConstruc Posted March 14, 2018 Share Posted March 14, 2018 Does anyone know any good resources or references to help me determine the footings needed to support the live and dead load of a structure? Please forward any suggestions. Link to comment Share on other sites More sharing options...
Alaskan_Son Posted March 14, 2018 Share Posted March 14, 2018 Yes I do. I have attached information below… Contact a local engineer. 2 Link to comment Share on other sites More sharing options...
Greg_NY61 Posted March 14, 2018 Share Posted March 14, 2018 What he said! Link to comment Share on other sites More sharing options...
DRAWZILLA Posted March 14, 2018 Share Posted March 14, 2018 usually it's the soil report that determines the footing depth, sometimes the city will have their own minimum depth Link to comment Share on other sites More sharing options...
Chrisb222 Posted March 14, 2018 Share Posted March 14, 2018 Just contact the governing building department where you plan to build, they should be able to help you. 1 Link to comment Share on other sites More sharing options...
chief58 Posted March 14, 2018 Share Posted March 14, 2018 I think what you are asking is not for how far below grade the footing needs to be but what size do you need to support the foundation and walls above if that is the case do what Michael said and contact a structural engineer because the loads will vary, I am fortunate to have my son as a structural engineer Link to comment Share on other sites More sharing options...
Richard_Morrison Posted March 15, 2018 Share Posted March 15, 2018 You can always check the Building Code for prescriptive dimensions with conventional construction. Of course, that means that you would have to actually read it. 1 Link to comment Share on other sites More sharing options...
para-CAD Posted April 22, 2018 Share Posted April 22, 2018 I just joined the ICC (https://www.iccsafe.org). I bought the 2018 IRC (binder & loose leaf) and the online subscription to 2015 IRC for a year. If you have building questions, these are the folks that manage the International Code books. Many cities, counties, and states often add supplemental code requirements to address local building conditions. Like here my footings need to be only 12" below grade. Some colder places typically include a basement under the house, since the footings have to go so deep anyway. It's nice having the online access, I strongly recommend checking this option out. ICC.pdf Link to comment Share on other sites More sharing options...
ACADuser Posted September 11, 2018 Share Posted September 11, 2018 Florida residential may use a prescriptive method to design the foundations but there are a lot of variables to consider. https://codes.iccsafe.org/public/document/FRC2017/chapter-4-foundations An engineer is a valuable asset in the structural end of things. Link to comment Share on other sites More sharing options...
Joe_Carrick Posted September 11, 2018 Share Posted September 11, 2018 You absolutely need to hire an Engineer or an Architect - and maybe a Soils Engineer. The loads applied by the structure can easily exceed the basic soil bearing capacity. There are many things that have to be analyzed and there just isn't a simple answer to your question without knowing exactly what the structure is. 1 Link to comment Share on other sites More sharing options...
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