I could use some help. I am trying to create a spreadsheet to log test results for the application of fireproofing to steel beams, and have the spreadsheet spit out a "Pass" or "Fail" to save me from having to manually look up each entry and make a determination. The problem is, there are two criteria that must be applied to each sample, and I can't figure out how to incorporate both into a single formula.
Each beam has to be sampled at 9 or 12 points around the beam ("around," not "along." Samples taken at top and bottom of both upper and lower flanges, tips of flanges, and both sides of the vertical web).
Criterion #1 is that the average of all 9 or 12 samples cannot be less than 25% thinner than the specified thickness. (Call that 1 inch for simplicity.)
Criterion #2 is that no individual sample can measure less than 1/4-inch.
If either of the above cannot be satisfied, the test is a "Fail" and the beam has to be re-coated.
I have a working formula that takes care of Criterion #1, and it has been tested using sample data for both "Pass" and 'Fail," and it works. I just learned about the second criterion, and I have not been able to tack it onto/into my formula to create an 'If A or B=True, then "Fail" ' equation.
Can anyone help a poor, non-Excel literate olde pharte?