Why are the installation and design drawings required for door and window permit applications?

Not all doors or windows meet the wind rating requirements for this area.  Providing the design drawings will allow the plan reviewer to verify that the door/window planned for installation will meet the minimum design requirements. The installation instructions allow the inspector to verify that the door/window was properly installed and will meet the wind rating specified by the manufacturer.

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1. Do I need a permit to replace a garage door, exterior door or windows?
2. I need to have my doors and windows inspected. Does the inspector need to gain access to the inside to conduct the inspection?
3. What documentation does the Building Division need with my permit application for a door or window replacement?
4. Why are the installation and design drawings required for door and window permit applications?