maths question, need help please ..

You're not paying for the calculation, you're paying for his insurance.

If the sign blows over and damages something or someone and you can say that a qualified engineer told you it wouldn't blow over, he will be liable.
If the sign blows over and you say that a random person on the internet told you it would be fine, you're liable for the damages yourself.
 
signs said:
work jonny , i've got 25 of these to make, they are going to be road signs on a business park , they didn't want us to dig holes
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In that case, if they are being used in a "real life" public area and not your own back garden then your structural engineer should be doing his calculations to Eurocode BS EN 1991-1-4:2005+A1:2010.

In which case it's a bit more involved and he needs to at least consider the "force coefficient" of 1.8, which effectively reduces the topple force by a factor of 1.8, which drops the "topple wind" back down to 55mph.

It's all in here:

https://www.eurocodeapplied.com/design/en1991/wind-signboard

Disclaimer:
Under no circumstances will AndyT be held responsible or liable in any way for any claims, damages, losses, expenses, costs or liabilities whatsoever (including, without limitation, any direct or indirect damages for loss of profits, business interruption or loss of information) resulting or arising directly or indirectly from your use of or inability to use the information freely provided or from your reliance on the information.
 
touch said:
You're not paying for the calculation, you're paying for his insurance.

If the sign blows over and damages something or someone and you can say that a qualified engineer told you it wouldn't blow over, he will be liable.
If the sign blows over and you say that a random person on the internet told you it would be fine, you're liable for the damages yourself.
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yeah fully appreciate that , the client was suitably impressed when i gave him the calculations yesterday , so it was money well spent in my view .
 
AndyT said:
Disclaimer:
Under no circumstances will AndyT be held responsible or liable in any way for any claims, damages, losses, expenses, costs or liabilities whatsoever (including, without limitation, any direct or indirect damages for loss of profits, business interruption or loss of information) resulting or arising directly or indirectly from your use of or inability to use the information freely provided or from your reliance on the information.
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i'm pinching that disclaimer !!!1:D
 
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