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![](https://eweb.irwaonline.org/eweb/upload/certification/Images/rwa_1year_circle.png)
1 Year (for RWA), completed within the last 5 years
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![](https://eweb.irwaonline.org/eweb/upload/certification/Images/rwp_3year_circle.png)
3 Years (for RWP), completed within the last 7 years, 2 of the 3 years must be directly related to infrastructure projects in the Transportation industry |
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![](https://eweb.irwaonline.org/eweb/upload/certification/Images/srwa_5years_circle.png)
5 Years (for SR/WA), completed within the last 10 years, 4 of the 5 years must be directly related to infrastructure projects in the Transportation industry |
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