`whats the depth of house foundation built around 1930s and what depth do i need for single story extension?
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Answers:
Typicaly 1m dig with say .75m of Concrete should be ok, or bring the concrete to the top and use less blocks.
As for the 30's il ask my dad!
what you need now will be detailed on the plans.have a look.
depends where u live, i live in connecticut and the bottom of the footing has to be 3'-6" min. below grade
This is going to vary from place to place. Contact the zoning group and/or the license & inspections group in your city.
Depends on your area. You must go below the frost line for your location. Usually you can find this info from your township code officer. In some places this can be over 4ft depth. No matter the answers you get here you must adhere to local codes.
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