City Wind Load Coefficient Resource

Posts like this scare the hell out of me. You are going to do structural design and you don't know where to find wind design velocities.

I hope you will be under the supervision of a PE who knows what he/she is doing.

Passingtongreen, I couldn't agree with you more!

This sort of question keeps rearing it's ugly head every few months or so.

Lawrence, I suggest that you do a search of the CR4 Forum blogs as a starter, followed by a Google Search of ASCE 7-98, then start studying it in detail. When done, consult with your Boss Man or immediate supervisor, who I hope is a qualified structural engineer that is a Licensed Professional Engineer.

I'm not sure it would suffice for codes, but often you can get weather bureau data from local airports that may include wind velocities. I imagine that some statistical analysis would need to be done in order to determine a design wind speed. I haven't worked in this area enough to know the details, so this is just general background.

98? & search the blogs?

Good to see someone Current, Qualified and Able to provide a pertinent answer appeared.

And got my GA

For all we know, the OP might be well versed in structural calculations, but just not happen to know the data source for some calcs of which he/she is perfectly capable.

I am more frightened by smug credentialism. I have seen too many instances in which licensed electricians could not figure out circuits that I could, or PEs that overdesigned the dickens out of cooling systems by including superfluous components, etc.

The bigger they come, the harder they fall--at least sometimes.

I commend the OP for straightforwardly seeking the needed information. If I knew the answer at the moment, I would give it.

(I once searched out some Coast Guard wind load formulas for checking out the design of a shipboard helipad. That was around 1980, so I no longer remember every detail. The wind load was ~100,000 lb; the structure was capable of supporting ~1,000,000 lb, which would more than have capsized the crab boat. A nice bit of overdesign, but at least the excess weight did not endanger the rather large and overstable boat.)

spak--thanks much for your thoughtful answer it is very much appreciated. cheers!