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  • Users: Atwerp
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  1. Atwerp

    Mechanical or Civil or both

    I am writing to get clarification on the qualifications of professional mechanical engineers in California. Under the California Professional Engineers Act, Section 6731.6 and 6734.2 the duties of a mechanical engineer are defined in broad terms. I am looking for further clarification on a...
  2. Atwerp

    Corrosion

    I am looking for responses from engineers with expertise in corrosion. Here is the situation. I have a steel tank buried in the ground. The tank was originally installed with paint, but the paint is probably not intact currently. The tank is partially (1/2) exposed to groundwater and ½ above...
  3. Atwerp

    Invert elevation and Rim elevation

    Can anyone explain to me what the definition of Rim and invert elevations are on a sotrm drain drawing? Thanks, Atwerp
  4. Atwerp

    Diesel Leak rate through a buried pipe

    I need to calculate the rate diesel would leak out of a 2" steel pipe buried 3' below grade. The hole was approx. 1/4" diameter and the pipe is under 20 psi pressure. I know the soil type will probably affect the rate. If it is easier, can I find the maximum leak rate assuming the pipe were...

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