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RE: Flexure vs. Cable Action in a solid rod.

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Haven't you been to see a doctor lately?  They make you sign a form stating that you will not sue the Doctor. 

Just get one of those forms and your worries are gone.


From: Richard Calvert [mailto:RichardC(--nospam--at)]
Sent: Tuesday, June 23, 2009 10:11 AM
To: seaint(--nospam--at)
Subject: RE: Flexure vs. Cable Action in a solid rod.


I don’t know… you’re the first one that has thought it to be anything more than just odd… I would think that if the author reviewed your use of his calculations and made a signed and sealed statement that they were used correctly that he would be just as liable as you for those calculations… but I’m no lawyer.  It is certainly a legal grey area though.


You wouldn’t think this to be ethically dubious, would you?


From: Bill Polhemus [mailto:bill(--nospam--at)]
Sent: Tuesday, June 23, 2009 12:57 PM
To: <seaint(--nospam--at)>
Subject: Re: Flexure vs. Cable Action in a solid rod.


No you are not, no more than the author of the textbook on steel beam design is responsible for the application you make of it.


I will simply say that I would never seal such a letter, for fear of incurring liability that the board rules - the law - do not require of me. 

William L. Polhemus, Jr. P.E.

Via iPhone 3G

On Jun 23, 2009, at 11:06 AM, Richard Calvert <RichardC(--nospam--at)> wrote:

Well, you are, at that point, taking shared liability on for that portion of the structure – this added buffer for the EOR is the whole point of this approach. 

From: Bill Polhemus [mailto:bill(--nospam--at)]
Sent: Tuesday, June 23, 2009 11:55 AM
To: seaint(--nospam--at)
Subject: Re: Flexure vs. Cable Action in a solid rod.


Richard Calvert wrote:

... formally obtain a second opinion (signed and sealed)...

I'm curious about the advisability of "signing and sealing" a second opinion. What exactly are you vouching for there with your seal? What is your scope of responsibility?

I submit that sealing a letter giving your opinion on a design topic where you are not directly responsible for the design, etc., is not wise.

In that case, should engineering professors "sign and seal" their textbooks?

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