Step One
Navigate to Plans, Drawings and Specs
Step Two
Click on the plan you would like to reference an RFI to
Step Three
Click on the blue plus button in the bottom right corner and click on Create RFI
Step Four
Add any needed mark up then click on Save Changes
You will see the plan has been attached to the RFI
Step Five
Fill out the information needed on the RFI form and press Submit once you are finished