Envelope #21: Site Class D in ETABS and a dad joke

Happy Thursday! Andy from Back of the Envelope here. It’s been almost a month since the last email 😅 – life got busy, but it’s time to get back on it again!

In today’s email (three unrelated topics):

  1. Why you may need to be careful when using Site Class D in ETABS

  2. Competition vs. cooperation vs. collaboration

  3. Dad jokes!

(Estimated reading time = 3 minutes and 24 seconds.)

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