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I am considering lowering the existing concrete floor in my basement by about 12 ” and that would put the top of the new floor at about 6″ below the bottom of the exiting footer. The house is about 60 yrs old and the top of the existing floor is about 3″ below the top of the footer(brick walls). Does anyone have any advice about how to solve the issue of under-mining the footer? Thanks Tendoy Tim
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I would worry more about removing the lateral support that the floor gives to the base of the brick wall. I would think that the engineer types would want to know: What is your soil type? Thickness and height of the brick wall? Thickness and type of footer?
*Use the search archive...memory seems to say somebody else was doing the same thing here bout' a year ago...
*What about raising the house? That's been covered several times.
*This can all be done but likely to cost far more than you are expecting to spend.
*definitely do-able-need a pro to asess the site conditionsprobably a bit pricey- but so is raising the house.done bothbe worth the money to get a professional opinionin my over the internent could be gumby opinionwon't be cheapyou thought about how much effort will be involved in getting rid of that existing floor?double it
*quadruple it
*As you know you either need to increase the depth of the foundation footing or prohibit the existing footing from being undermined. My first step, though, would be to consult with a residential architect who may be able to help you avoid all this by addressing your original needs. Though we often tend to shy away from professional arch. and engineers I've found them to be very valuable. So many folks out there who, if their hand was metal, would have caved in their forehead when they slapped themselves and said, "why didn't I think of that before I went this far?"
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I am considering lowering the existing concrete floor in my basement by about 12 " and that would put the top of the new floor at about 6" below the bottom of the exiting footer. The house is about 60 yrs old and the top of the existing floor is about 3" below the top of the footer(brick walls). Does anyone have any advice about how to solve the issue of under-mining the footer? Thanks Tendoy Tim