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  • Users: Fidens
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  1. Fidens

    Multiple pumps into common header and header sizing

    Hi all, I’m hoping to get some confirmation in my thinking. My current project situation is as follows: An ash pond will have multiple sump pumps located all around the pond for ground water management over the years. There will be a total of 30 sump pumps, roughly every 300 ft. and the...
  2. Fidens

    B31.4 Expansion Stress understanding

    Hi all, I'm working on the stress analysis of a pipe rack, per B31.4. My question is based around the code requirements for expansion stress and correctly reflecting that requirement in the stress analysis load cases. From reading B31.4, section 402.5.2 (unrestrained pipe) it shows the...
  3. Fidens

    A312 TP304 Stainless Steel above 1000 F

    Hi, ASME B31.1 says that "The allowable stress values tabulated for temperatures over 1,000°F apply only if the carbon content of the material is 0.04% or higher" under note 10 for Table A-3, for A312 TP304 My question(s) is: Can I use the pipe being supplied if its carbon content is at or...

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