iStruct Mobile allows you to quickly check spans for all major I-Joist manufactures. Weather you’re in Canada or the United States, you can quickly pick your design code then your manufacture, with another number of different load types, loading conditions, spacing, floor thickness you can very quickly check whether your joist will work. Eliminating the need to call the manufacturer to check the span.
You can find where you can place an opening in the joists and the size of the open easily based on the span of the member giving you the Minimum distance from bearings and maximum hole size.