1 OFA Dear Colleague letter on Rescinding guidance concerning waiver and expenditure authority under section 1115 of the Social Security Act Published: August 30, 2017. The U.S. Department of Health and Human Services (HHS) is committed to helping low-income families transition from welfare to work.
We added a front porch to our house that is 36 feet long and 8 feet 3 inches wide. One thing that I think people tend to overlook - but what some posters have stated - is how much useable space is taken up by porch posts/columns and railings.
Use the slab calculator to figure the concrete needed for the porch surface. Use the footing calculator to calculate the sides of the porch and the steps. Here is an example: This porch has 9 sq. feet of porch surface, so enter in the slab calculator 4 thickness by 3' width by 3' length.