The PIA for someone who became eligible for SSDI in 2013 is the sum (total) of the following: 1  90% of the first $791 of average indexed monthly earnings. 2  32% of the average indexed monthly earnings over $791 through $4,768, and. 3  15% of the average indexed monthly earnings over $4,768.
1 This sort of building, however, would not come in at a simple cost of $85 per square foot due simply to the excessive amount of construction required on the interior. 2  A two-story unit of wooden construction with two condominiums would run roughly $484,500 in total costs.
However, the building costs vary only slightly compared to the variable costs of the land and site development. The average cost for construction, including site work/utilities, ranges from $23 to $28 per gross building square foot, or approximately 67 percent of the overall development budget.