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  • Users: Rich134
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  1. Rich134

    Air Exchange Rule of Thumb

    Is there a "Rule of Thumb" for the number of air exchanges for a light manufacturing industry? There are no chemicals in the indoor environment. I have gone through Industrial Ventilation: A Manual of Recommended Practice by ACGIH without finding any guidelines that apply to my...
  2. Rich134

    PE for California SPCC

    I hope this message is not in violation of the guidelines. I have read them and I think it is OK. If not, I apologize in advance. I am a consultant and one of my customers has a plant in Fullerton CA. Technically, they don't need an SPCC, but they want one anyway. California requires SPCCs to...
  3. Rich134

    Moment due to wind load.

    Hello to You All I am new to this site and I have a question. I am considering an API requirement for achoring vertical storage tanks. They say that a 100 mph wind will create 18 Lbf per square foot of projected surface. If the moment tending to overturn the tank is below a given level, no...

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