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Concrete footing formula understanding


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#1 Tom Rogers

Tom Rogers

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Posted 13 July 2018 - 02:16 PM

This is a formula that Softplan has for concrete footing.  It calls it out as feet so I am a bit confused on why the complex multiplication with the cost in there instead of the accounting tab and also why it is divided by 3700.  I am sure there is a reason but if anyone can better explain it to me that would be great.   :huh:

 

 

if has_footing
   @cost=@selected_cost*((footing_depth*12)*(footing_width*12)/3700)
   @labor=63.2*((footing_depth*12)*(footing_width*12)/3700)
   set_dimens (inches,inches,feet_inches )
   list (length,footing_depth,footing_width)
endif
 

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