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  1. jeffberube

    API 650 Walkway Support

    I am trying to find the calculations for walkway supports. We are building a farm of 3000 BBL storage tanks with 1/4" shell and have designed a catwalk system between the top of the tanks that would apply about 45kN on the supports. Can anyone point me to the relevant sections of API 650 to...
  2. jeffberube

    API 650 Nozzle Load

    Hello, A peer in the industry has asked about designing piping supports with a spring hanger close to the inlet/outlet flanges due to tank settlement and if both empty and full pipes scenarios must be considered per API 650? He was asking as he had trouble meeting allowable nozzle load in...
  3. jeffberube

    API 650 Live Loads and Roof Frangibility

    @JStephen Makes sense. Thank you.
  4. jeffberube

    API 650 Live Loads and Roof Frangibility

    Do increased live loads affect roof frangibility? Looking at the equation for the cross sectional area (A = W / (1390 tanθ)) of the roof-to-shell connection, it doesn't seem to take into account the weight of the roof as the W equals total weight of the shell and any framing (but not roof...

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