Ability to add multiple frequencies to an already created series

Start on the inspection detail screen

Click the option to 'Edit Series Frequency'

You will see a list of frequencies

The frequency that the inspection was originally setup with will be checked

Select the new frequency, and click 'Next'

Select when the new frequencies will occur 

Click 'Next'

If everything looks correct

Click 'Create Inspections'

Once created the series will be updated with the new frequencies