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Panel Wind Loading per UBC:

This application utilizes wind loading calculations per the UBC. It can be used to calculate the uplift at the center of a panel for both corner and field situations.

The following data sources are used by this calculator:

  • Buildings under 60' in height : IBC_2003
  • Buildings between 60' and 400' in height: UBC_97
  • Buildings over 400' in height: Data not available.

This Calculator will not function for roof heights over 400'.

Note
that this application is intended as a aid only, and is provided as is. Northshore Exteriors, Inc. assumes no responsibility for problems which may arise from using this calculator and recommends manual verification of all data obtained. For further assistance, please
contact us directly.





The calculator takes the following variables:

  1. Exposure Category: The wind exposure category per the contract documents. (Typically found on the structural drawings.)
  2. Wind Speed: The maximum expected 3 second gust of wind in mph as found on the contract documents (Typically found on the structural drawings).
  3. Average Roof Height: The average height of all roofs. Calculator works under 60' only.
  4. Importance Factor: The importance factor as found on the contract documents (Typically found on the structural drawings).


The calculator outputs the following information:

  1. Exposure Category: Your selected exposure category.
  2. Wind Speed: The wind speed you entered.
  3. Average Roof Height: The average roof height you entered. Calculator works under 60' only.
  4. Importance Factor: The importance factor you entered.
  5. Height Factor:  Factor for height and exposure per UBC table 1609.6.2.1(4).
  6. Wind Speed Factor: Wind Speed²/90².
  7. p30net Center: Data from UBC table 1609.6.2.1(2).
  8. p30net Corner: Data from UBC table 1609.6.2.1(2).
  9. pNet Center: Calculated net uplift pressure at panel center.
  10. pNet Corner: Calculated net uplift pressure at panel corner.
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