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RE: Erection + Mill Tolerances?

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Title: RE: Erection + Mill Tolerances?

Neither one includes the other, but they aren't really additive either. Makes no sense, right? Let me explain.

The 0.125*L/5 tolerance is on member curvature. It is the maximum deviation due to curvature (out-of-straightness) along the member length from a straight line between the end points of the member, wherever those end points are.

The 1/500 erection tolerance defines the position of the maximum out-of-plumbness for the top of the column relative to the location of its base in the erected condition.

Charlie

-----Original Message-----
From: Randy Diviney [mailto:rsdiviney(--nospam--at)hayeslarge.com]
Sent: Tuesday, January 18, 2000 11:38 AM
To: seaint(--nospam--at)seaint.org
Subject: Erection + Mill Tolerances?


For columns (tubes), is the mill tolerance of .125 * L/5 added to the
erection tolerance of l/500? I think the erection tolerance would include
this.

Thanks for your help.


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