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jlassociates
Joined: 21 Jul 2008
Posts: 2
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 Posted: Mon Jul 21, 2008 8:59 am Post subject: Wind Speed by Zip |
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I developed a tool that I think many of you may get some use out of.
Instead of trying to figure out the design wind speed based on contour lines, go to http://www.windspeedbyzip.com. You can just type in the project address or just the zip code and the program will return the interpolated design wind speed for anywhere in the continental U.S.
Please let me know what you think.
Drew |
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teamjdc
Joined: 25 Oct 2007
Posts: 311
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| Posted: Mon Jul 21, 2008 2:35 pm Post subject: |
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| Tried two zips I've done project in that are 300 miles apart. Both speeds were much higher than what we must use for design. |
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aleone
Joined: 21 Jul 2008
Posts: 2
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| Posted: Mon Jul 21, 2008 3:00 pm Post subject: |
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| teamjdc wrote: | | Tried two zips I've done project in that are 300 miles apart. Both speeds were much higher than what we must use for design. |
What were the zip codes you were looking for? I'd like to take a look into it. |
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teamjdc
Joined: 25 Oct 2007
Posts: 311
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| Posted: Mon Jul 21, 2008 5:03 pm Post subject: |
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90807
95355 |
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nanrehvasconez
Joined: 25 Feb 2008
Posts: 221
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| Posted: Mon Jul 21, 2008 8:01 pm Post subject: |
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| RIGHT-ON, YOUR FIGURES COINSIDE WITH THE LOCAL COE. WILL BE IN TOUCH |
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aleone
Joined: 21 Jul 2008
Posts: 2
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| Posted: Tue Jul 22, 2008 5:48 am Post subject: |
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| For the two zip codes you posted, both are located in CA which is 85 mph (see the legend on the side). I should point out though that the first zip code, 90807, is within a "Special Wind Area" which is why the map is highlighted red. The building department may require a higher wind speed in this area. |
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teamjdc
Joined: 25 Oct 2007
Posts: 311
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| Posted: Tue Jul 22, 2008 9:03 am Post subject: |
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| Well, we've never had to go over 70mph. |
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capecod
Joined: 30 Jul 2008
Posts: 2
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| Posted: Wed Jul 30, 2008 9:16 pm Post subject: |
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| teamjdc wrote: | | Well, we've never had to go over 70mph. |
70 mph sounds like fastest wind speed. I believe most jurisdictions use 3-second gust.
I looked at the site and the wind speeds are per ASCE (3-second). I am in Mass. but doesn't California reference ASCE-7 as well? |
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