EPA Outdoor Wind Load Calculations

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EPA Outdoor Wind Load Calculations

Calculating wind loads is an essential component of most outdoor installations and retrofits. Our Wind Load Calculation guide will help you get that process started.

Effective Projected Area (EPA)

The Effective Projected Area (EPA) of a fixture is equal to the area “visible” by the wind at a particular angle.
All pole mounted fixtures and mounting hardware have EPA values/ratings.
All poles have maximum weight and EPA capacities.
To calculate the EPA of any particular fixture configuration simply add the EPA values of the fixture(s) and mounting bracket(s) to be mounted.
The total EPA & weight mounted on any pole must not exceed the pole’s maximum rating for the wind zone in which it is located.
Contact [P2] for assistance in identifying EPA ratings for existing poles.

Download Our EPA Outdoor Wind Load Calculation Sheet

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